On Fri, 12 Jun 2009, Steve Langstaff wrote: >> From: alsa-devel-bounces@xxxxxxxxxxxxxxxx [mailto:alsa-devel- >> bounces@xxxxxxxxxxxxxxxx] On Behalf Of Jaroslav Kysela > >> On Fri, 12 Jun 2009, Steve Langstaff wrote: >> >>> Hi All. >>> >>> I've got an installation of ALSA (1.0.19 on an embedded device) where >> using >>> plug and dmix as my output device slows down playback - voices and >> tones are >>> lower in pitch and the playback takes longer than when not using >> plug:dmix, >>> e.g. >> >> Does 48000Hz 2 channel source work OK with direct device (without dmix) >> for your hardware? > > Yes, I converted the original sample to 48000 Hz, Stereo, and it sounds OK > when I don't use dmix. > > /mnt # time aplay -v ignition48000s.wav .... > Slave: Hardware PCM card 0 'LM4549' device 0 subdevice 0 > msbits : 16 If I remember correctly, this value was 32 in your dmix setup. Could you try command: aplay -D"plug:'dmix:FORMAT=S16_LE'" <filename> Jaroslav ----- Jaroslav Kysela <perex@xxxxxxxx> Linux Kernel Sound Maintainer ALSA Project, Red Hat, Inc. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
