The ISO/IEC 11172-3 MPEG-1, Layer III (also referred to as “MP3”) audio coding algorithms are widely used to compress stereophonic and dual-channel music signals. Well-suited for both transmission and storage applications, the MP3 algorithm delivers high-fidelity audio playback quality with bitrates as low as one-tenth of the original. As a result, the MP3 algorithm has become the de facto standard compression methodology for portable and handheld storage media, as well as for transmission of high-fidelity compressed audio over the Internet. MP3 encoder/decoder is widely used in music storage and audio recording.
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