Re: Another sound question.

[Nikolas Britton]

Björn Lindström wrote:
Nikolas Britton <[EMAIL PROTECTED]> writes:
 

Yea kind, The sound card still has to convert the pcm data from the CD
into music and output it to the speakers though,
   

No, the CD-ROM does that and sends it to the sound card as a plain old
analog audio signal, so the only part of the sound card that comes into
play is the mixer.
 

Actually yea now that I've had time to think about it, the cable that 
goes from the CD-Rom to the sound card is usually a 3 or  4 wire cable, 
like you see in head phones, so based on that fact it has to be analog 
already. What about the ones that have 2-pin digital audio out and what 
about direct digital playback (i.g. ripping)?

The point is still mute though, you have to have at least a 
semi-functional sound card to get the mixer working.

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Re: Another sound question.

[Nikolas Britton]

Björn Lindström wrote:
Nikolas Britton <[EMAIL PROTECTED]> writes:
 

now put a music cd into your cd player and type in (as root)
"cdcontrol play" if you hear something that sounds like music your
good to go
   

Actually, that's a pretty bad test, since that will use your CD-ROM for
the sound, rather than the DSP of your sound card. Try to play a PCM
file or something instead.
Yea kind, The sound card still has to convert the pcm data from the CD 
into music and output it to the speakers though, but you are correct in 
that it's a bad test because the audio cable on the back of the CD-Rom 
drive might not be connected to the sound card and if its not (s)he 
might not have digital playback enabled (can FreeBSD even do that?) but 
really it came down to the fact that I didn't have time to lookup 
another way to test it, late for school remember. I think there is a 
better way to test it in the FreeBSD handbook if anyone cares.

LOL, Actually the handbook states the same thing I said:
"If all goes well, you should now have a functioning sound card. If your 
CD-ROM or DVD-ROM drive is properly coupled to your sound card, you can 
put a CD in the drive and play it with cdcontrol(1) 
:  
%cdcontrol -f /dev/acd0 play 1"

http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/sound-setup.html
I guess another way would be to compile mp3blaster, or what ever your 
fav. mp3 player is, from ports and test it with that.


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Re: Another sound question.

[Björn Lindström]

Nikolas Britton <[EMAIL PROTECTED]> writes:

> now put a music cd into your cd player and type in (as root)
> "cdcontrol play" if you hear something that sounds like music your
> good to go

Actually, that's a pretty bad test, since that will use your CD-ROM for
the sound, rather than the DSP of your sound card. Try to play a PCM
file or something instead.

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Re: Another sound question.

[Nikolas Britton]

Thomas Moyer wrote:
I've read the handbook and searched through /usr/src/sys/conf/NOTES 
and found the list of snd_* drivers.  I'm just not sure which one I 
should use.  I have an Asus P4P800E-Deluxe.  The website says the 
onboard audio is ALC850 CODEC which is AC' 97 compatible.  Does anyone 
know which snd_* driver I should use.  I know in 5.2.1 and down it 
just used device pcm and it worked.
Put these lines:
sound_load="YES"
snd_driver_load="YES"
Into the file /boot/loader.conf and then reboot.
after you reboot look at dmesg and see if it found/loaded any sound drivers
you can do this by typing in dmesg at the console and using your scroll 
lock key to move up/down OR type in "dmesg | grep pcm" you should see a 
lines like this:
pcm0:  on sbc0, sbc0 is the driver it is using, now type 
in this "dmesg | grep name_of_driver" to make sure all of the sound 
stuff loaded.

now put a music cd into your cd player and type in (as root) "cdcontrol 
play" if you hear something that sounds like music your good to go, add 
the name of the driver etc. to your kernel config file and recompile 
when convenient, just remember to comment out those lines in loader.conf.

and, nevermind, im late for school
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