Replace PulseAudio with OSS v4?
themuso at ubuntu.com
Sun Jun 21 23:17:17 UTC 2009
On Sun, Jun 21, 2009 at 07:52:45AM EST, Daniel Chen wrote:
> Lower sound quality is a red herring. ALSA's default resampler has
> known and quite audible limitations. The available resamplers in
> PulseAudio demolish the "lower sound quality" FUD. Jaunty shipped a
> configuration using a craptastic one in an attempt to balance CPU
> usage with perceptive quality. Lessons learned: Karmic will ship with
> a much better (but more CPU-intensive) resampler.
I'd like to add that on a technical level, OSS v4 does audio mixing in the kernel, and uses floating point maths, which is strictly forbidden in the official mainline kernel. Trying to get such code even into the Ubuntu kernel will be similar to getting blood out of a stone.
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