HALAC (High Availability Lossless Audio Compression)

[Hakan Abbas]

HALAC 0.5.4

• More efficient use of LPC coefficients
• Better Compression for -plus mode
• Speed improvements
• WAV header extra support
• lossyWAV dinamic blocksize

BipperTronix Full Album By BipTunia               : 1,111,038,604 bytes
BipTunia - Alpha-Centauri on $20 a Day            :   868,330,020 bytes
BipTunia - AVANT ROCK Full Album                  :   962,405,142 bytes
BipTunia - 21 st Album GUITAR SCHOOL DROPOUTS     :   950,990,398 bytes
BipTunia - Synthetic Thought Full Album           : 1,054,894,490 bytes
BipTunia - Reviews of Events that Havent Happened :   936,282,730 bytes
24 bit, 2 ch, 44.1 khz                            : 5,883,941,384 bytes

AMD Ryzen 9 9600X, Single Thread Results...

HALAC 0.5.4 -plus  : 4.232,751,891 bytes  11.578s  13.201s
FLAC 1.5.0 -8      : 4,243,522,638 bytes  50.802s  14.357s
HALAC 0.5.1 -plus  : 4,252,451,954 bytes  10.409s  13.841s
WAVPACK 5.9.0 -h   : 4,263,185,834 bytes  64.855s  49.367s
FLAC 1.5.0 -5      : 4,265,600,750 bytes  15.857s  13.451s
HALAC 0.5.1 -normal: 4,268,372,019 bytes   7.770s   9.752s
HALAC 0.5.4 -normal: 4,268,470,589 bytes   7.200s   9.353s

Thanks to Stephan Busch (squeezechart.com) for the tests and motivation. Also thanks to Michael W. Dean (biptunia.com) for the test music. And thanks to Carldric Clement (carldric.bandcamp.com) for reporting a special exception.
https://github.com/Hakan-Abbas/HALAC...ases/tag/0.5.4