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Lossless Transform Audio Compression is a compression algorithm developed by Tilman Liebchen, Marcus Purat and Peter Noll at Institute for Telecommunications, Technical University Berlin , to compress PCM audio in a lossless manner, unlike conventional lossy audio compression algorithms.
LTAC will not be developed any further since it has been superseded by its successor Lossless Predictive Audio Compression , which is based on linear prediction. This makes it much faster than LTAC and even leads to better compression results. LPAC has become official standard as MPEG-4 Audio Lossless Coding.
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