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MP3+G (MP3 plus Graphics) is akaraokefile format that was created to allowCD+G karaoke to be played from apersonal computer easily and quickly. MP3+G was created from the combination of the MP3 audio file (theCD audio is converted and compressed toMP3) and a raw CDG file which contains the RW subchannels from the CD+G track.
MP3+G was first calledMM+G in combination of various audio formatssynchronized to a CDG file. MP3 andWMA 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. Azip file is adata 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.
MP3+G is derived from the CD+G format and the CD+G disc format invented byPhilips. 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. Thedigital audio portion iscompressed toMP3 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.