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2 Commits

Author SHA1 Message Date
Michael Niedermayer
93bc0f0180 swr/noise_shaping_data: pad coeffs to multiple of 4 when they are 1 below 
This allows using code working with 4 at a time

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-01-12 19:09:54 +01:00
Michael Niedermayer
82742294b7 swr: Implement Noise shaping dither 
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>
 2013-01-09 18:25:06 +01:00