On Wed, Dec 03, 2014 at 03:34:58PM +0100, Martijn van Beurden wrote: > The recent compression preset retuning improved upon most material > but it the few tracks that show regression are usually classical > music. This patch improves compression by improving the LPC order > guess, of which classical music benefits most. > > Improvement is 0.007% on average but up to 0.1%. I haven't seen > regressions for any of my test samples.
> @@ -1308,7 +1308,7 @@ FLAC__double > FLAC__lpc_compute_expected_bits_per_residual_sample(FLAC__double lp > > FLAC__ASSERT(total_samples > 0); > > - error_scale = 0.5 * M_LN2 * M_LN2 / (FLAC__double)total_samples; > + error_scale = 0.5 / (FLAC__double)total_samples; Just curious, is there any explanation why this improves the compression ratio? Is it a bug? -- Miroslav Lichvar _______________________________________________ flac-dev mailing list flac-dev@xiph.org http://lists.xiph.org/mailman/listinfo/flac-dev