On Sunday 11 September 2011 05:08:37 Mikhail T. wrote: > Hello! > > I have a Logitech's webcam with built-in microphone. The audio device is > recognized by FreeBSD-8-stable as: > > uaudio0: <vendor 0x046d product 0x081b, class 239/2, rev 2.00/0.10, addr > 2> on usbus2 uaudio0: No playback! > uaudio0: Record: 48000 Hz, 1 ch, 16-bit S-LE PCM format > uaudio0: No midi sequencer > pcm1: <USB audio> on uaudio0 > > mixer(8) reports it a little strangely, depending on which /dev-entry I > use: > > % mixer -f /dev/mixer1 > Mixer vol is currently set to 75:75 > Mixer pcm is currently set to 75:75 > > % mixer -f /dev/dsp1 > Mixer rec is currently set to 45:45 > > But recording works. For example, using the rec-utility from the SoX > package: > > % env AUDIODEV=/dev/dsp1 rec /tmp/test.aiff > Input File : '/dev/dsp1' (ossdsp) > Channels : 2 > Sample Rate : 48000 > Precision : 16-bit > Sample Encoding: 16-bit Signed Integer PCM > > Well, it almost works, because the recording ends up highly distorted -- > much faster, than what I'm really saying into microphone. About three > times faster. For example, if I let the above command run for 18 seconds > (according to time(1)), the created test.aiff will contain a 6-seconds > recording. > > How do I fix this? Thanks! Yours,
Hi, Doesn't aiff files use a fixed sample rate? Try: env AUDIODEV=/dev/dsp1 rec -r 16k /tmp/test.aiff Or: env AUDIODEV=/dev/dsp1 rec -r 8k /tmp/test.aiff --HPS _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "freebsd-usb-unsubscr...@freebsd.org"