@@ -21,25 +21,26 @@ Matt Mahoney, Dmitry Shkarin, Eugene D. Shelwien, Florin Ghido, Grzegorz Ulacha
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Sac uses fp64 for many internal calculations. The change of compiler options or (cpu-)platform might effect the output. Use at your own risk and for testing purposes only.
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## Benchmarks
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- ** Sac v0.7.13 **
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+ ** Sac v0.7.18 **
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16 files (44.1Khz, stereo) - 51.014.742 bytes - parallel on i7-13700H
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** Asymmetric encoding profiles** - bits per sample (bps) is mean bps over all files
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| Profile|| Size| Enc-time| Dec-time| bps|
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| :-| -:| :-| :-| :-| :-|
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| FLAC -8| 100.0%| 29.793.060| 00:00:00| 00:00:00| 9.385|
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- | --normal| 89.6%| 26.692.524| 00:00:32| 00:00:27| 8.401|
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- | --high| 89.2%| 26.561.562| 00:05:24| 00:00:50| 8.359|
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- | --veryhigh| 88.9%| 26.499.219| 00:31:06| 00:00:57| 8.337|
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- | --best| 88.7%| 26.424.040| 07:35:00| 00:01:19| 8.313|
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+ | --normal| 89.6%| 26.691.217| 00:00:22| 00:00:20| 8.401|
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+ | --high| 89.1%| 26.546.317| 00:03:42| 00:00:50| 8.352|
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+ | --veryhigh| 88.9%| 26.480.793| 00:17:38| 00:00:53| 8.330|
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+ | --extrahigh| 88.8%| 26.453.344| 00:48:46| 00:00:52| 8.322|
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+ | --best| 88.6%| 26.397.759| 04:37:00| 00:01:00| 8.303|
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  ;
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** Comparison with other lossless audio codecs**
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| Program| Parameters| Source|
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| :-| :-| :-|
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- | Sac v0.7.13 | --best| open|
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+ | Sac v0.7.18 | --best| open|
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| OFR v5.100| --preset max| closed|
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| paq8px_v208fix1| -6| open|
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| MP4ALS RM23| -b -p -z3| open|
@@ -49,24 +50,24 @@ Sac uses fp64 for many internal calculations. The change of compiler options or
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Numbers are bits per sample (bps)
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| Name | Sac | OFR | paq8px | MP4ALS | MAC | FLAC |
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| :---| ---:| ---:| ---:| ---:| ---:| ---:|
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- | ATrain| 6.994 | 7.156| 7.353| 7.232| 7.269| 7.962|
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- | BeautySlept| 7.109 | 7.790| 7.826| 8.305| 8.464| 10.134|
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+ | ATrain| 6.991 | 7.156| 7.353| 7.232| 7.269| 7.962|
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+ | BeautySlept| 7.089 | 7.790| 7.826| 8.305| 8.464| 10.134|
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| chanchan| 9.658| 9.778| 9.723| 9.886| 9.951| 10.206|
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- | death2| 5.040 | 5.465| 5.215| 6.660| 6.213| 6.092|
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- | experiencia| 10.824 | 10.915| 10.963| 10.992| 11.005| 11.428|
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- | female_speech| 4.363 | 4.498| 4.708| 4.711| 5.190| 5.364|
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- | FloorEssence| 9.051 | 9.409| 9.488| 9.509| 9.537| 10.201|
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- | ItCouldBeSweet| 8.183 | 8.310| 8.330| 8.396| 8.531| 9.064|
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- | Layla| 9.467 | 9.571| 9.725| 9.691| 9.783| 10.415|
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- | LifeShatters| 10.751 | 10.808| 10.868| 10.836| 10.838| 11.194|
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- | macabre| 8.971 | 9.026| 9.249| 9.076| 9.172| 10.043|
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- | male_speech| 4.230 | 4.256| 4.509| 4.813| 5.255| 5.674|
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- | SinceAlways| 10.327 | 10.409| 10.455| 10.473| 10.522| 11.254|
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- | thear1| 11.364 | 11.400| 11.474| 11.425| 11.451| 11.783|
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- | TomsDiner| 6.990 | 7.108| 7.057| 7.268| 7.432| 8.572|
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- | velvet| 9.687 | 9.990| 10.030| 10.212| 10.461| 10.770|
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- | * Mean* | ** 8.313 ** | 8.493| 8.561| 8.718| 8.817| 9.385|
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+ | death2| 5.036 | 5.465| 5.215| 6.660| 6.213| 6.092|
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+ | experiencia| 10.825 | 10.915| 10.963| 10.992| 11.005| 11.428|
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+ | female_speech| 4.356 | 4.498| 4.708| 4.711| 5.190| 5.364|
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+ | FloorEssence| 9.034 | 9.409| 9.488| 9.509| 9.537| 10.201|
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+ | ItCouldBeSweet| 8.182 | 8.310| 8.330| 8.396| 8.531| 9.064|
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+ | Layla| 9.454 | 9.571| 9.725| 9.691| 9.783| 10.415|
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+ | LifeShatters| 10.748 | 10.808| 10.868| 10.836| 10.838| 11.194|
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+ | macabre| 8.968 | 9.026| 9.249| 9.076| 9.172| 10.043|
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+ | male_speech| 4.229 | 4.256| 4.509| 4.813| 5.255| 5.674|
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+ | SinceAlways| 10.329 | 10.409| 10.455| 10.473| 10.522| 11.254|
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+ | thear1| 11.362 | 11.400| 11.474| 11.425| 11.451| 11.783|
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+ | TomsDiner| 6.991 | 7.108| 7.057| 7.268| 7.432| 8.572|
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+ | velvet| 9.595 | 9.990| 10.030| 10.212| 10.461| 10.770|
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+ | * Mean* | ** 8.303 ** | 8.493| 8.561| 8.718| 8.817| 9.385|
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- | Enc-time| 07:35 :00| 00:00:09| 00:05:37| 00:00:15| 00:00:01| 00:00:00|
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- | Dec-time| 00:01:19 | 00:00:02| 00:05:40| 00:00:13| 00:00:01| 00:00:00|
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+ | Enc-time| 04:37 :00| 00:00:09| 00:05:37| 00:00:15| 00:00:01| 00:00:00|
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+ | Dec-time| 00:01:00 | 00:00:02| 00:05:40| 00:00:13| 00:00:01| 00:00:00|
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