No responses here also????? > -----Original Message----- > From: linux-audio-user-admin@xxxxxxxxxxxxxxxxxx > [mailto:linux-audio-user-admin@xxxxxxxxxxxxxxxxxx]On Behalf Of Mark > Knecht > Sent: Friday, July 25, 2003 7:42 AM > To: Linux-Audio-User > Subject: [linux-audio-user] aplay, plughw, alsamixer question > > > Hi, > Hi. I asked this question on Alsa-Dev yesterday, but 17 hours later got > no answers. Excuse me to those that subscribe to both lists. > > This info is to help me do more debug work on a new HDSP 9652 driver > version that I am helping to test. > > Should the volume levels I hear when using the command > > aplay -Dplughw:0 -r 44100 data/wave/seque~10.wav > > be controlled by alsamixer? > > The volumes for alsaplayer are being controlled by alsamixer, but > this aplay > command is not, at least right now on a new driver I'm using. > > Also, on a multichannel card, how do I direct the above aplay > command to > a specific channel? I am finding that with this new driver the audio is > appearing on ALL channels on the card, even for a mono wave file. I think > this is a bug, but I'm not sure. > > If there's an explanation fit for a simpleton like me about the > difference between plughw and hw and when to use one vs. the other, please > point me there so I can learn. I have read a bit on the Alsa site about > plughw talking directly to the kernel, but beyond that I have not > discovered > any documentation yet. > > Thanks in advance. > > Cheers, > Mark > > >
