Date: Sun, 9 Mar 2003 14:32:11 -0700 From: Aaron Siegel <aaron-siegel@attbi.com> To: freebsd-questions@freebsd.org Subject: Recording raw audio files under 5.0 Message-ID: <200303091432.11424.aaron-siegel@attbi.com>
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Hello
I am trying to record audio input to a raw audio file using the comand:
$ cat /dev/dspW > audio.file.raw
This produces and error "cannot open /dev/dsp [device busy]" (using dsp,
dsp0.0....). I tried the command fstat | dsp (as recommended in the hand
book), it did not find any application using that device. I do not have X
running so KDE, GNOME, and what ever windows like programs are not running.
I have check the /var directory for any locks, I did not find any.
-dmesg:
pcm0: <ESS Technology Maestro-2> port 0xf800-0xf8ff irq 5 at device 4.0 on
pci0
-cat /dev/sndstat:
FreeBSD Audio Driver (newpcm)
Installed devices:
pcm0: <ESS Technology Maestro-2> at I/O port 0xf800 irq 5 (4p/0r/4v channels
duplex default)
-I have setup 4 virtual channel, following the instruction in the handbook.
-I am able to play audio CD's and realplayer.
I notice that the the devices audio, dsp, dspW ... do not exist, but the
devices audio0.x, dsp0.x, dspW0.x .... do exist. Do I need to create the dsp,
audio, dspW .... devices? What does the statment"(4p/0r/4v channels duplex
default)" found in the output of the sndstat indicate?
Thank you
Aaron
d
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