At Wed, 10 Oct 2007 15:19:42 +0200, Joachim Foerster wrote: > > Hi Takashi, > > On Tue, 2007-10-09 at 11:08 +0200, Takashi Iwai wrote: > > At Fri, 05 Oct 2007 19:09:53 +0200, > > Joachim Foerster wrote: > > > > > > Hi ALSA devs, > > > > > > meanwhile I tried to put a constraint on SNDRV_PCM_HW_PARAM_FRAME_BITS > > > by the use of snd_pcm_hw_constraint_minmax() function with min=32 and > > > max=32, but still no success - the ALSA Library still makes 16bit > > > accesses, when playing mono (1 channel) files. > > > > > > Any ideas? > > > > Could you show the chain of plugins via aplay -v ? > > I'm not sure which plugin requires S16. Possibly, the rate converter. > > bash-3.00# aplay -v -M ../Absage.wav > Playing WAVE '../Absage.wav' : Signed 16 bit Little Endian, Rate 16000 > Hz, Mono Well, the sample itself is 16bit format, and your hardware *does* support 16bit format. Why to be 32bit? Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel