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* swr/noise_shaping_data: pad coeffs to multiple of 4 when they are 1 belowMichael Niedermayer2013-01-12
| | | | | | This allows using code working with 4 at a time Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
* swr: Implement Noise shaping ditherMichael Niedermayer2013-01-09
The following variants are implemented: lipshitz noise shaping dither shibata noise shaping dither low shibata noise shaping dither high shibata noise shaping dither f-weighted noise shaping dither modified-e-weighted noise shaping dither improved-e-weighted noise shaping dither Data tables taken from SOX Signed-off-by: Michael Niedermayer <michaelni@gmx.at>