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Lossless Transform Audio Compression (LTAC) is a compression algorithm developed by , and at Institute for Telecommunications, Technical University Berlin (TU Berlin), to compress PCM audio in a lossless manner, unlike conventional lossy audio compression algorithms (like MP3). LTAC will not be developed any further since it has been superseded by its successor Lossless Predictive Audio Compression (LPAC), which is based on linear prediction.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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  • Lossless Transform Audio Compression (LTAC; deutsch: verlustfreie Transformations-Audiodatenkompression) ist ein historisches, verlustfreies Verfahren zur Audiokompression, entwickelt von Tilman Liebchen, Marcus Purat und Peter Noll aus dem Fachgebiet Nachrichtenübertragung der Technischen Universität Berlin. LTAC stellt den Vorläufer von Lossless Predictive Audio Compression (LPAC) dar. Dieses Verfahren ist seit Dezember 2005 in weiterentwickelter Form als MPEG-4 Audio Lossless Coding standardisiert. Erst seit der Standardisierung liegt das Verfahren offen. (de)
  • Lossless Transform Audio Compression (LTAC) es un algoritmo de compresión de datos para comprimir audio con modulación por impulsos codificados (PCM). Fue desarrollado por: Tilman Liebchen, Marcus Purat y Peter Noll, en el Instituto de Telecomunicaciones de la Universidad Técnica de Berlín. Este es un algoritmo basado en la transformada ortonormal de signo. Este utiliza una recontracción de 16 bits de entrada, usando números enteros de los coeficientes de la transformada y adicionalmente una señal de error. Siendo así por encima del promedio de predicciones lineales en compresión sin pérdidas. (es)
  • Lossless Transform Audio Compression (LTAC) is a compression algorithm developed by , and at Institute for Telecommunications, Technical University Berlin (TU Berlin), to compress PCM audio in a lossless manner, unlike conventional lossy audio compression algorithms (like MP3). LTAC will not be developed any further since it has been superseded by its successor Lossless Predictive Audio Compression (LPAC), which is based on linear prediction.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. (en)
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  • Lossless Transform Audio Compression (LTAC; deutsch: verlustfreie Transformations-Audiodatenkompression) ist ein historisches, verlustfreies Verfahren zur Audiokompression, entwickelt von Tilman Liebchen, Marcus Purat und Peter Noll aus dem Fachgebiet Nachrichtenübertragung der Technischen Universität Berlin. LTAC stellt den Vorläufer von Lossless Predictive Audio Compression (LPAC) dar. Dieses Verfahren ist seit Dezember 2005 in weiterentwickelter Form als MPEG-4 Audio Lossless Coding standardisiert. Erst seit der Standardisierung liegt das Verfahren offen. (de)
  • Lossless Transform Audio Compression (LTAC) es un algoritmo de compresión de datos para comprimir audio con modulación por impulsos codificados (PCM). Fue desarrollado por: Tilman Liebchen, Marcus Purat y Peter Noll, en el Instituto de Telecomunicaciones de la Universidad Técnica de Berlín. Este es un algoritmo basado en la transformada ortonormal de signo. Este utiliza una recontracción de 16 bits de entrada, usando números enteros de los coeficientes de la transformada y adicionalmente una señal de error. Siendo así por encima del promedio de predicciones lineales en compresión sin pérdidas. (es)
  • Lossless Transform Audio Compression (LTAC) is a compression algorithm developed by , and at Institute for Telecommunications, Technical University Berlin (TU Berlin), to compress PCM audio in a lossless manner, unlike conventional lossy audio compression algorithms (like MP3). LTAC will not be developed any further since it has been superseded by its successor Lossless Predictive Audio Compression (LPAC), 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. (en)
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  • Lossless Transform Audio Compression (de)
  • Lossless Transform Audio Compression (es)
  • Lossless Transform Audio Compression (en)
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