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HALAC High Availability Lossless Audio Compression

I took a break from HALIC for GDCC 2023. Then I tried something a little different. In the past(2018-2019), I had been working on the lossless audio compression. However, I could not bring together the work I did. Now I have a little time and I think I developed a fast codec. I worked on 16 bit, 2 channel audio data (.wav). Higher bit and channel options can be added if necessary. As a result, the approach is the same. HALAC, like the HALIC, focuses on a reasonable compression ratio and high processing speed. The compression rate for audio data is usually limited. So I wanted a solution that can work faster with a few percent concessions. I used a quick estimation with ANS(FSE). I don't know if there are other codecs using ANS, but the majority uses "Rice Coding". GPU or SIMD was not used. Also now in the multihread version. I tried to find the middle way by working with different music genres.

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HALAC_0 2 4_MT_BENCHMARK1

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New Ultra Fast Lossless Audio Codec

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