Thanks again Bill,
Alsamixer works fine and will be better at this stage, I agree... I need to
do some testing and such; will let you know how it pans out. I discovered a
different pair of audio connectors in the back of the machine (line in/out?)
and in any event I agree that playing audio is a good first test.
Dave
>From: Bill Unruh <unruh@xxxxxxxxxxxxxx>
>To: david feldman <wb0gaz@xxxxxxxxxxx>
>CC: alsa-user@xxxxxxxxxxxxxxxxxxxxx, steshenko_sergei@xxxxxxx
>Subject: Re: Beginner question - getting started with ALSA on a
>Fedora Core 6
>Date: Mon, 8 Jan 2007 16:22:52 -0800 (PST)
>
>On Mon, 8 Jan 2007, david feldman wrote:
>
>>Much progress!
>...
>
>Good.
>
>>
>>Now the commands aplay, arecord, and so on appear to function.
>>
>>arecord -d 5 >file.wav produces a file, however, the file plays back as
>>silence.
>
>YOu forgot to run alsamixer first and make sure that the
>volume controls were non-zero. Alsa defaults to all volume sliders at 0,
>which means no sound. That is so that y ou do not destroy your expensive
>speakers or ears as the volume blasts on.
>
>Use aplay first to make sure you can play sounds. There are loads of .wav
>files on your system you can try.
>
>
>>
>>I think my remaining problem is around setting amixer properly.
>>
>>I looked at amixer trying to figure out how to enable input from the
>>microphone jack of the sound device (on this machine, it's routed to a
>>connector on the front panel with a microphone icon, and when I plug a
>>sound
>>source in, I can hear the sound on the machine's internal speaker.) This
>>is
>>going to take more reading, because there are so many individual
>>parameters...
>
>No just run alsamixer and start playing around. Note that you want to look
>at both the capture and play pages of alsamixer.
>
>
>>
>>Thanks,
>>
>>Dave
>>
>>
>>
>>
>>>From: Bill Unruh <unruh@xxxxxxxxxxxxxx>
>>>To: david feldman <wb0gaz@xxxxxxxxxxx>
>>>CC: alsa-user@xxxxxxxxxxxxxxxxxxxxx, steshenko_sergei@xxxxxxx
>>>Subject: Re: Beginner question - getting started with ALSA on
>>>a
>>>Fedora Core 6
>>>Date: Mon, 8 Jan 2007 15:31:55 -0800 (PST)
>>>
>>>On Mon, 8 Jan 2007, david feldman wrote:
>>>
>>>>Thanks Bill and Sergei!
>>>>
>>>>Here is the new information:
>>>>
>>>>>lsmod|grep snd
>>>>>What does this list?
>>>>
>>>>Empty - no module with "snd" in it!
>>>
>>>OK, that means that you have no sound card driver loaded. It is not
>>>surprising then that you have no sound.
>>>
>>>If what is below is your /etc/modprobe.conf, then just do modprobe
>>>snd-card-0
>>>Now, do lsmod|grep snd again. If still nothing shows up do
>>>dmesg|tail -20
>>>and look for error messages from the attempt to load the sound card
>>>driver.
>>>
>>>Maybe you do not have a CS4236 sound card?
>>>
>>>If you now have snd- modules loaded, try alsamixer to turn on the volume
>>>(it is always off by default) and then use aplay and arecord.
>>>
>>>
>>>
>>>
>>>
>>>
>>>>
>>>>>ls /proc/asound
>>>>
>>>>asound does not exist in /proc.
>>>>
>>>>###
>>>>
>>>>Here is /etc/modprobe.conf.
>>>>
>>>>The first three entires are due to my existing hardware, two Ethernet
>>>>and
>>>>one SCSI port.
>>>>
>>>>I do not understand the last line "remove snd-cs4236.....":
>>>>
>>>>alias eth0 8139too
>>>>alias eth1 e100
>>>>alias scsi_hostadapter aic7xxx
>>>>alias snd-card-0 snd-cs4236
>>>>options snd-card-0 index=0
>>>>options snd-cs4236 index=0
>>>>remove snd-cs4236 { /usr/sbin/alsactl store 0 >/dev/null 2>&1 || : ; };
>>>>/sbin/modprobe -r --ignore-remove snd-cs4236
>>>>
>>>>_________________________________________________________________
>>>>>From photos to predictions, The MSN Entertainment Guide to Golden
>>>>>Globes
>>>>>has
>>>>it all. http://tv.msn.com/tv/globes2007/?icid=nctagline1
>>>>
>>>>
>>>>-------------------------------------------------------------------------
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>>>
>>>--
>>>William G. Unruh | Canadian Institute for| Tel: +1(604)822-3273
>>>Physics&Astronomy | Advanced Research | Fax: +1(604)822-5324
>>>UBC, Vancouver,BC | Program in Cosmology | unruh@xxxxxxxxxxxxxx
>>>Canada V6T 1Z1 | and Gravity | www.theory.physics.ubc.ca/
>>
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