![]() ![]() xHE-AAC adds an optimized speech coding approach to the AAC family of codecs, resulting in a single audio coding system capable of maintaining exceptional quality starting at very low bit-rates with any type of program content, whether speech, music, or ambient sounds. Most recently, MPEG standardized the latest AAC enhancement xHE-AAC (Extended HE-AAC). The original MPEG-2 AAC codec was further reļ¬ned through the MPEG-4 standardization process and has subsequently been enhanced with bandwidth extension technology yielding HE-AAC (High Efficiency AAC), and with the addition of parametric stereo, resulting in HE-AAC v2. Standardized by ISO MPEG, it is designed to provide high quality audio at lower bit-rates than previous MPEG audio coding formats. The AAC family of audio codecs comprises some of the most efficient audio coding technologies available today. ![]()
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