Loudeye User Education Glossary

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A
AAC

Acronym for "Advanced Audio Coding."

See also: advanced audio coding, MPEG

active server page (ASP)

An Active Server Page (ASP) is an HTML page that includes one or more scripts that are processed on a Microsoft Web server before the page is sent to the user.

See also: ASP

ad insertion

A MediaOS functionality that allows a piece of media to be associated with a particular advertisement and delivered with the media at the right time and place.

See also: MediaOS

advanced audio coding (AAC)

MPEG-2 Advanced Audio Coding (AAC), also known as MPEG-2 NBC, is an audio compression similar to MP3, taking singular frames to compress CD-quality music into smaller, more efficient files. MPEG-2 Advanced Audio Coding can include up to 48 audio channels, 15 low-frequency enhancement channels, 15 embedded data streams, and has multi-language capability. It also offers a better compression ratio than MP3. MPEG formal listening tests demonstrate that provides slightly improved audio quality at 96 kb/s.

affiliate

An entity making content available to the end consumer. An affiliate may subscribe to subscriptions made available by the distributor.

Use:

Part of the Media Syndicator architecture and product lineup.

See also: Media Syndicator

AJAX

Internal code name for Media Syndicator.

Use:

Do not use this term in external documentation or communication. Use "Media Syndicator."

See: Media Syndicator

algorithm

In the context of codec, a complex mathematical formula that determines how to compress and decompress data by finding repetitive data and replacing it with a code.

alive e-show

Reference to Alive.com's flagship product. E-show was an application that allowed end-users to create a multimedia file that synchronized text, images, etc., with an audio/video track that would be presented in a series of frames.

Use:

Archaic term.

See also: e-show

All Music Guide (AMG)

The extended data guide produced by Allied Entertainment, one of six entertainment distribution companies. Competitor to Muze.

See also: Muze

AMG

Acronym for "All Music Guide."

See: All Music Guide

amplified.com

The virtual fulfillment arm of Valley Media.

See also: Media Sampling Service, Valley Media

amplifier

A network component that increases the power of a signal when it is lost due to attenuation. This allows signals to cover greater distances in a LAN environment.

 

analog

Content data measured in a physical quantity as opposed to a digital format. Examples of analog data are VHS tapes, vinyl albums, cassette tapes, etc.

API

Acronym for "Application Programming Interface."

See: application programming interface

API calls

A call made to an API method by an application.

application layer

Refers to the top layer of MediaOS. It is the collective term for all online applications built on DMAP.

See also: MediaOS

application programming interface (API)

An API is a set of rules that describes how to access and manipulate an object within a specific application.

See also: API

application service provider (ASP)

An application service provider (ASP) is a company that offers individuals or enterprises access over the Internet to application programs and related services that would otherwise have to be located in their own personal or enterprise computers.

See also: ASP

archive

In the context of the Loudeye business model, a physical storage facility that stores original uncompressed files.

See also: Digital Media Archive

artifacting

Distortion that occurs when audio or video is compressed to a very low bit rate.

ASF

Media file encoded for use on the Windows Media platform.

archiving

The process of storing uncompressed media and associated files for an extended period of time without degradation.

ASP

Acronym for "Application Service Provider" or "Active Server Page."

See also: application service provider, active server page

aspect ratio

The ratio of a picture's width to its height.

assembly

An assembly is a category-specific wrapper for one or more modules, or a processing page for a given category. Because they are designed to work with a single category, assemblies can be coded to expect specific data locations. 

See also: production

ASX

Metafile that points to a Windows Media audio or video file.

attribute

An attribute contains additional information about an element; it is a bit like an adjective.

Use:

XML syntax.

See also: XML

audio sweetening

The process of adjusting audio controls to produce optimal sounds by improving the signal-to-noise ratio.

audio video interleaved (AVI)

An uncompressed audio or video Windows file format.

See also: AVI

audiovideo synching

The process of synchronizing the audio data and video images in a combined clip of media.

AVI

Acronym for "Audio Video Interleaved."

See also: audio video interleaved, audio video interleaved

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bandpass

In audio context, a limited range of wavelengths over which a component meets specifications. A bandpass filter is an electronic device or circuit that allows signals between two specific frequencies to pass, but that discriminates against signals at other frequencies.

bandwidth

The amount of data able to be sent through a network connection.

bandwidth limited operation

A condition occurring when the system bandwidth, rather than the amplitude of the signal, limits performance.

bit rate

The speed of data transmission.

See also: kbps

borax

Internal code name for Media Syndicator v1.5 only.

See also: Media Syndicator

bridge

Network component that connects two LANs to extend the range of the network.

broadband

A high-speed, high-capacity transmission channel able to transmit data at speeds of 144Kbps and above.

buffering

Describes a situation which occurs when a streaming media player is saving portions of a streaming media file to local storage for playback. Most streaming media players buffer a small percentage of a streaming media presentation before beginning to play it. Buffering also may occur in the middle of a presentation, when available bandwidth does not match the presentation's required bandwidth.

business rule

A determinant of how content can be used.

Use:

In the context of Media Syndicator, business rules are automatically set by the distributor and applied by the affiliate server. A Media Syndicator business rule consists of a type, address, and value. Business rules are also used in digital rights management to control access to pieces of digital media.

See also: digital rights management, Media Syndicator

business rule attribute

An instance of a business rule with a specific attributed value.

See also: Media Syndicator

business rule type

A category of business rule.

Use:

In the context of Media Syndicator, examples of business rule types are pay-per-play, time, number of plays, geographic location, etc.

See also: Media Syndicator

business rule value

The value of a business rule.

Use:

In the context of Media Syndicator, examples of business rule values are currency, geography, etc.

See also: Media Syndicator

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capture

The process of digitizing audio and video content. The same as ripping.

See also: rip

CAST

Loudeye acronym for "Customer Absolute Satisfaction Teams."

See: Customer Absolute Satisfaction Teams

catalog

In the context of the Loudeye business model, a collection of media titles and associated data in the Digital Media Archive (DMA). Also used to describe a list of distributor subscriptions that are published and are accessible to approved affiliates.

See also: digital media archive, Media Syndicator

category

Different Web applications address segments of the Loudeye internal and external customer set. Because each of these groups may require a different level of security and functionality, and because few applications will require inter-mingling of components for these groups, the category is the level at which we should define consistent data structures for our assemblies.

CDATA

Acronym for "Character Data."

See: character data

CDDB

A product offered by Gracenote. CDDB is an online database of audio CD information, such as album, title, artist, etc.

Use:

Do not use this term as a compnay name. Use it to refer to the Gracenote database product only.

See also: Gracenote

CFML

Acronym for "Cold Fusion Markup Language."

See: cold fusion markup language

character data (CDATA)

CDATA is a data type that describes unparsed characters, such as letters, numbers and other symbols that are used exactly as they are typed.

Use:

See also: CDATA

chroma control

The process of controlling the color and saturation information contained in a video signal.

clip

A "clip" or media sample, is a short portion or preview of a digital media file type. This includes songs, movie trailers, concert videos, DVD trailers, and video game trailers. Web sites use clips to offer their customers the option of viewing and/or listening to clips before they buy the product.

Use:

Pop/rock song samples are 30 seconds in length. A 30 second sample is typically 100-300k.

Classical music song samples are 60 seconds in length. A 60 second sample is typically 300-500k.

See also: Media Sampling Service

clip service

Term that refers to the Loudeye Media Sampling Service.

Use:

Do not use this term. Use "Media Sampling Service" in all internal and external documentation and communication.

See also: Media Sampling Service

codec

Codec stands for "compression/decompression". Codec are software or hardware assisted schemes that are used to compress or decompress digital video or audio files by discarding redundant data.

cold fusion markup language (CFML)

CFML is a markup language used with HTML that includes tags for querying databases and outputting text, and for interacting with other Web services such as POP3 and LDAP.

Use:

See also: CFML

comb filter

Video context: Circuitry that electronically separates the color (chrominance) from the picture (luminance) signal, to enhance fine detail with minimal color spill or picture "noise" (distortion).

Audio context: Circuitry or software that filters out specified frequencies.

comet

Code name for Media Syndicator v2.0 only.

See also: Media Syndicator

component video

A video signal where the chrominance (color) and luminance (brightness) components have been recorded separately to produce better picture quality.

composite video

A single video signal that contains luminance, color, and synchronization information.

compress

Compression is the process of reducing a file to a significantly smaller sizeby eliminating redundant data.

compression ratio

Comparison of file sizes between the uncompressed and compressed files.

Consulting Services Group (CSG)

The Loudeye consulting group.

content

Audio or video files provided to consumers. May refer to analog or digital audio and video files.

content medium

The physical medium content is stored on. For example, CD, cassette, etc.

CSG

Acronym for the Loudeye "Consulting Services Group."

See: Consulting Services Group

customer

A business or organization that purchases and uses Loudeye products.

Customer Absolute Satisfaction Teams (CAST)

The Loudeye customer service team.

See also: CAST

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DAM

See "Digital Asset Management."

See: Digital Asset Management

data management

An organizational system for including descriptive information in a media file, such as author, copyright, bit rate, etc.

data rate

The maximum number of bits of information which can be transmitted per second.

DDI

Acronym for "Device Driver Interface."

See: device driver interface

DDML

Acronym for "Document Definition Markup Language."

See: document definition markup language

delivery

Loudeye term used to describe content delivery to a customer. For example, FTP, CD-ROM, DLT, etc.

See also: DLT

demodulation

The process of retrieving an original signal from a carrier signal or wave.

device driver interface (DDI)

The hardware version of a software plugin. Embedded in certain functions within the MediaOS, a DDI is the interface that allows DMAP to support hardware.

See also: MediaOS

DHTML

Acronym for "Dynamic Hypertext Markup Language."

See: dynamic hypertext markup language

Digital Asset Management (DAM)

The generic term for businesses who generally sell enterprise-wide databases that specialize in storing and managing data in such a way that it is easily retrievable, and thus, more productive.

digital linear tape (DLT)

Digital linear tapes are magnetic tape drives used for large amounts of data storage. Digital linear tapes can store 35 gigabytes on a single cartridge. Compression roughly doubles these figures.

Digital Media Applications Platform (DMAP)

The Digital Media Applications Platform (DMAP) is a physical medium used for audio and video file delivery that holds approximately 35 gigabytes of data. DMAP is a term used publicly to describe Loudeye's next generation media technology platform that provides customers with the backend functionality necessary to distribute media to end users or to let end users upload their own media. DMAP is not affiliated with any single application. Its flexibility means that it can support any Loudeye online digital media application and provide a core set of functionality to all Loudeye digital media applications.

Use:

Use "DMAP" in all external documentation. "MediaOS" is an internal term only.

See also: MediaOS

Digital Media Archive (DMA)

A physical system of wav file mass storage.

See also: Valley Media

digital media infrastructure

Back-end technology and processes that enable the encoding, management, and distribution of audio and video on the Internet.

Digital Media Center (DMC)

A Loudeye audio and video production location, such as Seattle or Santa Monica.

digital media fulfillment

Moving compressed audio or video files from the MediaOS to a customer's server and controlling that delivery through the use of defined business rules.

See also: MediaOS, business rule

Digital Media Library (DML)

A collection of content that includes compressed audio samples (30 seconds), compressed full songs, metadata, and images. Currently, the DML contains only compressed audio samples for Loudeye's Media Sampling Service (compressed video samples will be supported in the future).

Note that Loudeye's complete 130,000 CD collection of audio samples will reside in the DML. For full song encodes, only content that is deemed necessary to maintain Loudeye's marketing competetiveness will be stored in the DML.

See also: Media Sampling Service

Digital Media Services (DMS)

Digital Media Services are

Digital Millenium Copyright Act (DMCA)

The Digital Millenium Copyright Act became law in October 28, 1998. The main goal of the DMCA was to change US copyright law in order to allow the US to join the World Intellectual Property Organization (WIPO) treaties. The WIPO treaties address Internet-related international copyright standards. The DMCA specifically addresses web casting licenses.

See also: webcasters

digital music access technology (DMAT)

DMAT is the trademark for products that are compliant with SDMI specifications.

See also: SDMI

digital rights management (DRM)

Digital rights management (DRM) refers to the management of digital content that permits distribution only to people who have fulfilled business rules associated with each piece of content. DRM is a functionality embedded in the MediaOS that allows DMAP purchasers to legally manage their media assets where ownership belongs to a third party provider.

See: SDMI

digital signal processor (DSP)

An integrated circuit that performs functions such as reverb, filtering and equalization on a digitized waveform.

distortion

Corruption of a signal caused by time delay, harmonics, frequency response noise or other disturbances.

distribution

The process of delivering digital media that includes hosting, webcasting, and syndication.

See also: webcasters

distributor

Entity that provides content for Media Syndicator affiliates. A Distributor publishes content to an e-commerce-enabled online catalog for purchase by registered Affiliates.

See also: Media Syndicator

DLT

Acronym for "Digital Linear Tape."

See: digital linear tape

DMA

Acronym for "Digital Media Archive."

See: digital media archive

DMAP

Acronym for "Digital Media Applications Platform."

See: digital media applications platform

DMAT

Acronym for "Digital Music Access Technology."

See also: digital music access technology, SDMI

DMC

Acronym for "Digital Media Center."

See: Digital Media Center

DMCA

Acronym for "Digital Millenium Copyright Act."

See: Digital Millenium Copyright Act

DML

Acronym for "Digital Media Library."

See: Digital Media Library

DMS

Acronym for "Digital Media Services"

See: Digital Media Services

document definition markup language (DDML)

DDML is a proposed schema language for XML documents. It was known as XSchema until January, 1999.

document object model (DOM)

A document object model (DOM) is a programming interface specification that lets a programmer create and modify HTML pages and XML documents as full-fledged program objects.

document tree

A document tree is the hierarchy of elements within a document. There is a root element, followed by many branches and leaves.

document type definition (DTD)

A DTD (Document Type Definition) is a set of rules that defines a document's elements, their relationship with each other, and the type of data they may contain.

DOM

Acronym for "Document Object Model."

See: document object model

download

In the context of the Loudeye business model, the method where an entire file is transferred to a local machine before playback is allowed.

downloadable

Media delivery method where the entire file is transferred to a local machine before playback is allowed.

DRM

Acronym for "Digital Rights Management."

See: digital rights management

DSP

Acronym for "Digital Signal Processor."

See: digital signal processor

DTD

Acronym for "Document Type Definition."

See: document type definition

dynamic hypertext markup language (DHTML)

DHTML is a way of changing effects, structure, content and formatting of a Web page dynamically or "on the fly". It is actually a combination of technologies including HTML, CSS, JavaScript, and the DOM.

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e-commerce

In the ocntext of the Loudeye business model, e-commerce is functionality embedded in the MediaOS that allows a customer to automatically charge for media and manage that transaction.

See also: MediaOS

EJB

Acronym for "Enterprise Java Beans."

See: Enterprise Java Beans

element

An element is a component of an XML document. Each use of the element in the document is noted by the use of the element's tag.

Use:

XML context

See also: XML

encoding

A method of compressing audio and video and converting it to digital format.

end user

End users are visitors, members, or customers of a Web site.

engine

A generic term for a take-home application that transcodes a media file from one format to another.

Enterprise Java Beans (EJB)

EJB is an architecture for setting up program components, written in the Java programming language, that run in the server parts of a computer network that uses the client/server model.

ESE

Acronym for "E-Show Engine."

See: e-show engine

e-show

E-show is the collection of data that is required for an e-show generator's call to the producer servlet. In practice, almost all user input and many utility variables are stored in e-show as well.

extensible hypertext markup language (XHTML)

XHTML is a reformulation of HTML 4 as an application of the Extensible Markup Language (XML).

See also: extensible markup language

extensible markup language (XML)

XML is a markup language similar to HTML and is a subset of SGML. It is a flexible way to create common information formats and reuse data and presentation formats.

extensible query language (XQL)

XQL (XML Query Language) is a way to locate and filter the elements (data fields) and text in an Extensible Markup Language (XML) document.

extensible stylesheet language (XSL)

XSL is a language for expressing stylesheets. It is used to display and format XML documents.

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file transfer protocol (FTP)

FTP (File Transfer Protocol), a standard Internet protocol, is the simplest way to exchange files between computers on the Internet.

fileserver

A central computer that controls network functions and manages shared files.

FireWire

The Apple Computer implementation of the IEEE 1394 High Performance Serial Bus standard that allows external devices, like digital video cameras, to transfer data to a computer at bitrates up to 500 Mbps.

formats

File types associated with the different streaming media platforms.

FPS

Acronym for "Frames Per Second."

See: frames per second

frames per second (FPS)

The unit of measure for frame rate.

Use:

Used to measure the speed of streaming video files.

See also: frame rate

frame rate

The number of frames of video displayed in a given measurement of time.

Use:

Typically measured in frames per second.

See also: frames per second

FRD

Acronym for "Functional Requirements Document."

See: functional requirements document

fulfillment

Transferring files from the MediaOS to a customer's server and controlling file delivery through the use of defined business rules.

See also: MediaOS, business rule

functional requirements document (FRD)

A functional requirements document is a formal document used to describe product features and functionality and what is required to incorporate these features in a product.

A functional requirements document typically follows business requirements specified in a marketing requirements document.

Use:

Typically used for program management purposes.

functional specification

A functional specification is a formal document used to describe a product's intended capabilities, appearance, and interactions with users.

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generational loss

Degradation caused by tape copying.

Gracenote

New company name for CDDB, an online music database.

See also: CDDB

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hosting

Providing data distribution over the Internet.

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indexing

In the context of the Loudeye business model, a process which logs reference points within an audio or video file for the purpose of searching within the media.

interframe method

Interframe method is a type of video compression used by MPEG which compresses three types of frames: I-Frames, P-Frames and B-Frames.In I-Frames, the entire scene is compressed. P-Frames are compressed with reference to a past I- or P-Frame. B-Frames provide the highest amount of compression but require both a past and a future frame as a reference. The image sequence in MPEG is flexible, depending on applicatio-specific parameters.

interlaced

Two separate fields joined together to form a single video frame.

interstitial

A Web-based advertisement that appears before, after, or during streaming audio or video samples.

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JAR

Acronym for "Java Archive."

See: Java archive

Java archive (JAR)

A file that contains the class, image, and sound files gathered into a single file and compressed for faster downloading to a Web browser. Similar to zip archives.

JavaScript

JavaScript is an interpreted programming or script language from Netscape.

Java Server Page (JSP)

Java Server Pages (JSP) are used to control the content or appearance of Web pages through the use of servlets. Servlets are small programs run on the Web server used to modify the Web page before it is sent to the user who requested it.

JSP

Acronym for "Java Server Page."

See: Java Server Page

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kbps

Acronym for "kilobits per second."

See: kilobits per second

kilobits per second (kbps)

A measure of bandwidth on a data transmission. Kbps is one thousand bits per second.

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letterbox

The projected aspect ratio of feature films that is often wider than our 525 or 625 line video formats.

LMS

Acronym for "Loudeye Media Syndicator."

See: Media Syndicator

lockers

An application enabled through MediaOS that allows end users to store and manage their own music.

See also: MediaOS

lossy compression

The technique of shrinking a media file by losing some precision of detail.

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M3U

A metafile that points to an MP3 media clip.

See also: MP3

Madrona production line

The audio and video production line located in Loudeye's Madrona facility.

See also: digital media center

management

The process of organizing digital media such as indexing, data entry, watermarking and rights management for effective distribution of that content.

Use:

Loudeye digial media context.

marketing requirements document (MRD)

A document used in the program management process. The MRD is used to anticipate and communicate business needs to program managers and developers.

MBPS

Acronym for "Megabits Per Second."

See: megabits per second

media file management (MFM)

One of the features of MMS. MFM refers to how the metadata for each piece of media is stored and accessed.

media management and storage (MMS)

Formerly known as Media Vault, this is a central media repository that manages all media files, hosts them, and provides necessary functionality. MMS is one component of the MediaOS.

See also: MediaOS

media on demand system (MODS)

Media on Demand is a company that offers streaming multimedia ASP services and a content distribution network.

Use:

http://www.mediaondemand.com

media operating system (MediaOS)

Media Operating System (MediaOS) refers to the DMAP core. MediaOS is a series of functions that manage and store all types of media and associated metadata, manage users, associate the stored media with various revenue-generating activities, etc. MediaOS also includes the API layer that accesses these services.

See also: MediaOS

MediaOS

Internal product brand name for the "Media Operating System."

Use:

Use this term for all internal MediaOS documentation. Externally,use the term "DMAP" to describe MediaOS.

See also: media operating system, DMAP

Media Sampling Service

Product brand name for the for the Loudeye clip service. The Media Sampling Service features access to the complete North American catalog of over 130,000 CDs, all songs on all CDs, all major file formats and bit rates, all front and back cover scans, and comprehensive data support. The Media Sampling Service is hosted by Loudeye in the Digital Media Library (DML).

Use:

Do not use the term "clip service." Use "Media Sampling Service" in all internal and external documentation and communication.

See also: clip service, amplified.com, music sampling service, DML

Media Subscription Service (MSS)

Temporary and internal "umbrella" term describing Loudeye's strategy to build a next generation extensible media platform that:

Leverages Loudeye's DMS, MediaOS, and DMA.

Enables media samples, online radio, lockers, and fulfillment.

Delivers to Loudeye a recurring revenue stream using a subscription revenue model.

Offers customers a platform and network agnostic solution and support for multiple formats, DRM, and practically any business model for online music and video.

See also: digital media archive, MediaOS, all music guide, DMS, DMA, lockers

Media Syndicator

The Media Syndicator software delivers a complete media syndication solution that enables businesses to sell their streaming digital media content.

Use:

Internal project code name is "AJAX."

See also: AJAX

media vault

Archaic term for the management of hosted media files.

Use:

Do not use this term. Use "Media Management and Storage" or "Sampling Service Database" instead.

See also: media management and storage

megabits per second (MBPS)

Mbps stands for megabits per second and is a measure of bandwidth.

metadata

Metadata is data about other data files, such as artist, title track, track name, and copyright. Metadata is usually passed between applications and may or may not be part of the displayed page.

Use:

Note the spelling is one word. Do not use "meta data" or "meta-data."

metafile

A metafile is a file containing information that describes or specifies another file.

metafile redirector

A static or dynamically generated file that points a media player toward a streaming media source.

MFM

Acronym for "Media File Management."

See: media file management

MMS

Acronym for "Media Management and Storage."

See: media management and storage

MODS

Acronym for "Media On Demand System."

See: media on demand system

MOS

Acronym for "Media Operating System." Do not use this term. Use "MediaOS" internally, and "DMAP" externally.

See also: media operating system, DMAP, MediaOS

.mov

Apple QuickTime movie file format.

moving picture experts group (MPEG)

MPEG develops standards for digital video and digital audio compression. The MPEG standards are an evolving series, each designed for a different purpose.

Use:

Typically expressed as an acronym, "MPEG."

MP3

Acronym for "MPEG audio layer 3."

Use:

Typically expressed as an acronym. MP3.

See also: MPEG audio layer 3, MPEG

MPEG

Acronym for "Moving Picture Experts Group."

Use:

Typically expressed as an acronym, MPEG.

See: moving picture experts group

MPEG audio layer 3 (MP3)

A standard for audio compression capable of 10:1 compression with little loss in quality.

Use:

Typically expressed as an acronym, MP3.

See also: MPEG

MRD

Acronym for "Marketing Requirements Document."

MSS

Acronym for "Media Subscription Service."

See: Media Subscription Service

multicast

Distribution of media where each user must access an individual stream to view media.

Muze

The extended data provider based in New York City. A competitor to AMG (All Music Guide).

See also: All Music Guide, Valley Media

myslideshow.com

Part of the original Loudeye digital media applications platform, known internally as MediaOS. Online service that allows users to create slideshows on their Web sites.

This is an archaic term: Myslideshow.com is no longer supported by Loudeye.

See also: MySlideshow.com, MediaOS

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narrowband

A connection over a computer network which supports a relatively low bit rate.

national television systems committee (NTSC)

An organization that determines standards for broadcast signal delivery.

Use:

Typically used in acronym form, NTSC.

net congestion

A situation that occurs when there is significant and unexpected delays between transmission of bits by the server and reception by the client.

noise reduction

A post-production process that eliminates the bursts of interference that are not part of the audio and video signals.

nonlinear editing

The process of editing audio or video where the entire video is available at any given moment.

NTSC

Acronym for the "National Television Systems Committee."

See: national television systems committee

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object delivery protocol (ODP)

ODP is the standardized communication and object definition between clients and servers. This is the actual delivery mechanism protocol that each delivery service must adhere to.

ODP

Acronym for "Object Delivery Protocol."

See: object delivery protocol

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package

A set of songs grouped by a particular genre or pre-specified collection (for example, the Billboard Top 500). Packages may be comprised of both audio and video files and are stored in the Digital Media Library.

See also: digital media library, e-show

PAL

Acronym for "Phase Alternation Line."

See: phase alternation line

parsed character data (PCDATA)

PCDATA stands for Parsed Character Data. PCDATA is data that is viewed as regular text.

Use:

Typically expressed as an acronym, PCDATA.

parser

A parser is a tool that divides data into chunks for processing.

phase alternation line (PAL)

Protocol for television broadcast/reception used in Europe.

play list

A subset of songs played over a certain time period.

production

Term used to describe the Loudeye encoding process.

production line

The physical collection of equipment and infrastructure used to process audio or video content. Loudeye currently has production lines in:

Seattle -- Times Square (audio and video)

Seattle -- Madrona (audio)

Santa Monica (video)

See also: archive, production

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.ra

Streaming RealAudio file.

See also: Real Audio

rake

An application enabled through MediaOS that allows Loudeye customers and end-users to create, edit, and manage their own play lists and stations.

See also: MediaOS, play list, station

ram

A metafile that points to a Real Media file.

See also: metafile, Real Media

RDF

Acronym for "Resource Description Framework."

See: resource description framework

RealAudio

RealAudio is a continuous or streaming sound technology from Real Networks.

See also: ra

Real Media

Umbrella term for Real Networks streaming media technology.

Use:

Note the spelling is two words.

See also: ram

real time streaming protocol (RTSP)

A standard method of transferring audio and video and other time-based media over Internet-technology based-networks.

reporting

A MediaOS function. It provides a standard set of usage tracking reports for customers who use MediaOS.

See also: MediaOS, DMAT

resource description framework (RDF)

RDF is an XML application for describing and processing metadata. RDF makes data machine-understandable, which allows it to be exchanged and processed automatically.

rights management

The process of monitoring the ownership, distribution, and usage of media.

rip

A term used to describe the capture of an audio track from a CD. A person who performs this task is called a "ripper."

rm

Streaming Real Media files extension.

See also: Real Media

RTSP

Acronym for "Real Time Streaming Protocol."

See: real time streaming protocol

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sampling service database

New term for what was once called the Media Vault. A database of media sampling files for the Media Sampling Service.

Use:

Use this term, not "Media Vault."

See also: media management and storage., Media Sampling Service, media vault, Media Sampling Service

scanning

The process of capturing digital images.

schema

A schema is a description of the rules for organizaing data. A DTD is one type of schema.

Use:

XML context.

SDK

Acronym for "Software Development Kit."

Use:

Typically expressed as an acronym, SDK.

See: software development kit

SDMI

Acronym for "Secure Digital Music Initiative."

See also: DMAT

secure digital music initiative (SDMI)

The SDMI is a forum that brings together more than 180 companies and organizations representing information technology, consumer electronics, security technology, the worldwide recording industry, and Internet service providers.

The SDMI charter is to develop open technology specifications that protect the playing, storing, and distributing of digital music such that a new market for digital music may emerge. The open technology specifications of SDMI will ultimately provide consumers with convenient access to music both online and in new emerging digital distribution systems, enable copyright protection for artists, and promote the development of new music-related business and technologies.

signal-to-noise ratio

The proportion of true signal information to extraneous noise or interference that an audio or video unit delivers.

simulated live

A completed audio or video event which is presented as though it were live.

SMIL

Acronym for "Synchronized Multimedia Integration Language."

See: synchronized multimedia integration language

software development kit (SDK)

A software development kit (SDK) is a set of programs used by a computer programmer to write application programs. Typically, an SDK includes a visual screen builder, an editor, a compiler, a linker, and sometimes other facilities.

Use:

Typically expressed as an acronym, SDK.

See also: digital media library, API calls, packages

spandex

An application that enables development to quickly create and deploy virtual web applications for external customers. This is made possible by the re-use of generically-written CFML (Cold Fusion Markup Language) code blocks.

See also: CFML

standard generalized markup language (SGML)

SGML is an international standard (ISO 8879) for displaying data; HTML is an subset of SGML and XML is derived from SGML.

Use:

Typically referred to as an acronym, SGML.

spatial compression

A compression technique that reduces the information needed to display video frames.

station

A customer creates a station from one or more packages. A station may include play lists, associated meta data, and audio and video clips.

See also: meta data, package, play list

streaming

A technique for transferring digital media on the Internet that processes data as it is received, in a steady continuous stream.

subscription

A group of content and associated business rules.

Use:

Context: Media Syndicator

See also: Media Syndicator

synchronized multimedia markup language (SMIL)

SMIL is an XML-compliant markup language used to synchronize disparate media elements (such as text, animations, audio and video) within one streaming media presentation.

syndication

A business process whereby a content creator licenses media to a content user for limited use.

See also: Media Syndicator

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tag

A tag is a generic term for a language element descriptor.

tagged image file format (TIFF)

A common format for exchanging raster images between application programs, including those used for scanning images. A TIFF file can be identified as a file with a ".tiff" or ".tif" file name suffix.

Use:

Typically referred to in acronym fomat, TIFF (or TIF).

take home version

A term used for a future version of MediaOS and the DML that would be hosted by Loudeye. Larger clients with their own access to hosting have indicated an interest in this type of solution.

See also: MediaOS, DML

telecine

A technique designed to transfer a film image to a video image in real time.

temporal compression

A compression technique that operates across time by eliminating the similar data from frame to frame.

TIFF

Acronym for "Tagged Image File Format."

Use:

Sometimes called a "TIF."

See: tagged image file format

time-based correction

A process of correcting picture jitter, skewing (shifting of the video image), or color breakup caused by reproducing the video signal from tape.

track sampling

The process of selecting audio segments for demonstration purposes.

transcoding

The process of converting media from one compressed digital format to another.

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UDP

Acronym for "User Datagram Protocol."

See: user datagram protocol

UI

Acronym for "User Interface."

See: user interface

unicast

The process where a single stream is served from one server to multiple clients.

user datagram protocol (UDP)

A method of communicating between computers that does not guarantee that every bit arrives at its end destination.

user interface (UI)

The aspects of a computer system or program which can be seen (or heard or otherwise perceived) by the human user, and the commands and mechanisms the user uses to control its operation and input data.

user management (UM)

A function of the MediaOS. User management refers to data that tracks which users have media files stored in the MMS and allows them to manage that content.

Use:

Context: MediaOS

See also: MediaOS, MMS

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valid XML

A valid XML file is one that conforms to both XML syntax and a set of DTD rules. The file specifies a DTD that it follows.

See also: XML

Valley Media (VM)

One of six major North American music distributors.

The Media Sampling Service was originally a joint project between Loudeye and Valley Media. It has since evolved into a project managed by Loudeye and Valley Media's digital music business, amplified.com. Today, amplified.com represents a potential Media Sampling Service customer.

See also: Media Sampling Service

vertical SDK

Documentation and tools to use APIs for the creation of certain specialized applications. Music applications, such as online radio for example, may have their own SDK.

See also: SDK

video on demand (VOD)

Video content that may be viewed by the end-user from beginning to end at any time.

VM

Acronym for "Valley Media."

See: Valley Media

VOD

Acronym for "Video on Demand."

See: video on demand

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watermarking

A system for "invisibly" inserting information into a digital image, audio or video file that identifies the file's copyright information (author, rights, etc.).

wav

An uncompressed sound file. All digital media archives are currently stored in wav file format.

webcasters

A term used to describe individuals and organizations who deliver media in a live broadcast format (a "webcast") over the World Wide Web (WWW).

well-formed XML

A well-formed XML file conforms to XML syntax but does not becessarily use a DTD.

See also: DTD

wrench

The production system's queuing mechanism.

See also: production

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XHTML

Acronym for "eXtensible Hypertext Markup Language."

See: extensible hypertext markup language

XML

Acronym for "eXtensible Markup Language."

See: extensible markup language

XML-RPC

A specification and a set of implementations that allow software running on disparate operating systems, running in different environments to make procedure calls over the Internet. It uses HTTP as the transport protocol and XMLfor encoding. XML-RPC is designed to be as simple as possible, while allowing complex data structures to easily be transmitted, processed, and returned.

XML transformations (XSLT)

XSLT is a standard way to describe how to transform the structure of an XML document into an XML document with a different structure.

XQL

Acronym for "eXtensible Query Language."

See: extensible query language

XSL

Acronym for "eXtensible Stylesheet Language."

See: extensible stylesheet language

XSLT

Acronym for "eXtensible Stylesheet Language Transformations."

See: XML transformations

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