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/freebsd-10.2-release/sys/dev/sound/
H A Dversion.hdiff 194233 Mon Jun 15 04:40:18 MDT 2009 ariff - Add a way to change filter oversampling factor through
FEEDER_RATE_PRESET "OVERSAMPLING_FACTOR:X .. .." where
X = log2(oversampling factor).

- Lower down default filter oversampling factor from 128
(log2 = 7) to 32 (log2 = 5), saving worth of 80 Kb.
The use of better polynomial interpolator will raise
its conversion quality/accuracy to match (or slightly
better) with previous settings.

- Bump driver version.
/freebsd-10.2-release/sys/tools/sound/
H A Dfeeder_rate_mkfilter.awkdiff 194233 Mon Jun 15 04:40:18 MDT 2009 ariff - Add a way to change filter oversampling factor through
FEEDER_RATE_PRESET "OVERSAMPLING_FACTOR:X .. .." where
X = log2(oversampling factor).

- Lower down default filter oversampling factor from 128
(log2 = 7) to 32 (log2 = 5), saving worth of 80 Kb.
The use of better polynomial interpolator will raise
its conversion quality/accuracy to match (or slightly
better) with previous settings.

- Bump driver version.

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