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MP3+G
MP3+G (MP3 plus Graphics) is a karaoke file format that was created to allow CD+G karaoke to be played from a personal computer easily and quickly. MP3+G was created from the combination of the MP3 audio file (the CD audio is converted and compressed to MP3) and a raw CDG file which contains the RW subchannels from the CD+G track.
History
MP3+G was first called MM+G in combination of various audio formats synchronized to a CDG file. MP3 and WMA became the most popular audio format used for karaoke and therefore MP3+G and WMA+G became the most popular formats used. Microsoft first unofficially adopted the WMA+G for use on the Xbox for the Xbox karaoke product.
MP3+G was named in 1998 as the media format for WinCDG which was the first MP3+G player. The technology was intended as the new standard for PC karaoke without the need for a disc.
Other products have found a new way to transport the MP3+G pair of files by "zipping" them. A zip file is a data compression format used to compress and contain files together. Containing the MP3+G file pair in the ZIP became known as an "MP3+G Zipped".
Since the creation of the format the technology of MP3+G was first licensed as the Breeze engine by Tricerasoft. It was later released as a codec engine technology to various computer software companies, including TouchPoint, PCDJ, DJPower, Alcatech, Hercules, and AVA Systems.
Design
MP3+G is derived from the CD+G format and the CD+G disc format invented by Philips. MP3+G is created by extracting the CD-Audio packets from the CD+G disc with a CD-ROM drive that is capable of also extracting the RW channels from the disc. The digital audio portion is compressed to MP3 and the RW Channels (CD+G graphics) are stored to a CDG file. The player products read each file and synchronize the information to display the interpreted graphics along with the music.
References
This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.
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