Fabrice Bellard, the creator of FFmpeg, has developed a new audio compression tool called TSAC.
TSAC can freeze audio bitrates to incredibly low levels while maintaining high audio quality. For example, it can decode 44.1 kHz audio at a mono bitrate of 5.5 kb/s or 7.5 kb/s in stereo. TSAC can also compress a 3.5-minute stereo track into a file as small as 192 KiB.
Users can hear the comparison of the original and enhanced video on TSAC’s official website: https://bellard.org/tsac/
TSAC’s best compression ratio is achieved by using a modified version of the audio codec enhanced for stereo and sampling. Both models count up to 8 bits per bit.
However, the download requires an NVIDIA GPU due to the need to call CUDA. Although CPU blocking is possible, the process will be very slow and the CPU must support AVX2 instructions.
Fabrice Bellard, the author of TSAC, is a famous computer programmer. Born in Grenoble, France, in 1972, Bellard developed LZEXE, a popular hacking program, while he was in high school. He studied at the École Polytechnique in Paris and the École Nationale Supérieure des Télécommunications de Paris.
In 1997 Bellard proposed a fast algorithm for calculating pi. In 2000 he founded the FFmpeg project, an open source multimedia framework used by many media players. He also developed QEMU, a very fast and cross-border open source.
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