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Unlike music streaming services, which typically charge a monthly subscription fee to stream digital audio, digital music stores download songs to the customer's hard disk drive of their device. The customer will have the copy of the song permanently on their disk, provided the track is not deleted by the customer, the disk does not get ...
Most online music stores sell music encoded in a lossy file format, compared to an audio CD. For the most part, music that is sold in lossy MP3 format is not sold at higher bit rate encoding. Few online music stores offer music in lossless, metadata-enabled formats such as FLAC or ALAC, but instead stick to WAV files in which no metadata can ...
The following is a list of on-demand music streaming services. These services offer streaming of full-length content via the Internet as a part of their service, [1] without the listener necessarily having to purchase a file for download. [2] This type of service is somewhat similar to Internet radio. Many of these sites have advertising that ...
The 'Music' category is merely a guideline on commercialized uses of a particular format, not a technical assessment of its capabilities. For example, MP3 and AAC dominate the personal audio market in terms of market share, though many other formats are comparably well suited to fill this role from a purely technical standpoint.
Disc Description Protocol (DDP) is a format for specifying the content of optical discs, including CDs and DVDs. DDP is commonly used for delivery of disc premasters for duplication. DDP is a proprietary format and is the property of DCA. [1] The file format specification is not freely available. The DDP must contain 4 parts: [2] Audio image(s ...
A compressed audio optical disc, MP3 CD, or MP3 CD-ROM or MP3 DVD is an optical disc (usually a CD-R, CD-RW, DVD-R or DVD-RW) that contains digital audio in the MP3 file format. Discs are written in the " Yellow Book " standard data format (used for CD-ROMs and DVD-ROMs ), as opposed to the Red Book standard audio format (used for CD-DA audio CDs).
The CD+G format takes advantage of the channels R through W. These six bits store the graphics information. CD + Extended Graphics (CD+EG, also known as CD+XG) is an improved variant of the Compact Disc + Graphics (CD+G) format. Like CD+G, CD+EG uses basic CD-ROM features to display text and video information in addition to the music being played.
Gracenote, Inc. is a company and service that provides music, video, and sports metadata and automatic content recognition (ACR) technologies to entertainment services and companies worldwide. [3] Formerly CDDB (" Compact Disc Data Base "), Gracenote maintains and licenses an Internet-accessible database containing information about the ...