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Lossless predictive audio compression
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<p>Lossless predictive audio compression (LPAC) is an improved <a href="/facts/Lossless_compression/LS702KsN">lossless</a> <a href="/facts/Audio_data_compression/gMFuY4FT">audio compression</a> algorithm developed by Tilman Liebchen, Marcus Purat and Peter Noll at the Institute for Telecommunications, <a href="/facts/Technische_Universit%25C3%25A4t_Berlin/Ao7c79ru">Technische Universität Berlin</a> (TU Berlin), to compress <a href="/facts/PCM_audio/5gdfjtH3">PCM audio</a> in a <a href="/facts/Lossless_compression/LS702KsN">lossless</a> manner, in contrast to <a href="/facts/Lossy_compression/jHW7DDv3">lossy compression</a> algorithms. </p><p>It is no longer developed because an advanced version of it has become an official standard under the name of MPEG-4 <a href="/facts/Audio_Lossless_Coding/ptpbl4hK">Audio Lossless Coding</a>. </p>