Re: [pulseaudio-discuss] Patch to work around some codec's phase inversion when remap_channels mapping stereo to mono

2010-06-22 Thread Alban Browaeys
On Mon, 21.12.09 17:26, Bu, Long (long.bu at intel.com) wrote: Hi all, There are some Inel HDA codecs like ALC272 that inverse phase of one channel when capturing.. remap_channels remaps stereo to mono by simply add one channel to another. the sum is always very very close to

Re: [pulseaudio-discuss] Patch to work around some codec's phase inversion when remap_channels mapping stereo to mono

2009-12-25 Thread Lennart Poettering
On Mon, 21.12.09 17:26, Bu, Long (long...@intel.com) wrote: Hi all, There are some Inel HDA codecs like ALC272 that inverse phase of one channel when capturing.. remap_channels remaps stereo to mono by simply add one channel to another. the sum is always very very close to zero. ALSA

[pulseaudio-discuss] Patch to work around some codec's phase inversion when remap_channels mapping stereo to mono

2009-12-22 Thread Bu, Long
Hi all, There are some Inel HDA codecs like ALC272 that inverse phase of one channel when capturing.. remap_channels remaps stereo to mono by simply add one channel to another. the sum is always very very close to zero. ALSA works around this by using copy route policy