I hope this reaches you. I think my mail server is having troubles
communicating with the mailing list. I changed the rate and buffer
size using aucat, not sndiod, and that changed the rate. I have
the .wav attached. Also of note, I pasted the wrong aucat command
I ran. It should be
$ aucat -f snd/1 -o - | aucat -i -
or
$ aucat -f snd/1 -o output.wav
Courtney
On 6/1/23 01:11, Alexandre Ratchov wrote:
> - If you change the sndiod(8) rate (-r option), or buffer size (-b
> option) does the ticking change?
>
> - could you send me a short .wav file with the ticking sound?
>
> On Wed, May 31, 2023 at 11:59:20PM -0700, Courtney Hicks wrote:
>> Hello all,
>>
>> I am trying to record audio from a USB device. I successfully
>> get audio from it, however, there is a constant "ticking" sound
>> that happens whether or not audio is actually playing through
>> the device. Here's the device from the dmesg:
>>
>> uvideo0 at uhub0 port 7 configuration 1 interface 0 "MACROSIL AV TO USB2.0"
>> rev 2.00/1.21 addr 2
>> video0 at uvideo0
>> uaudio0 at uhub0 port 7 configuration 1 interface 3 "MACROSIL AV TO USB2.0"
>> rev 2.00/1.21 addr 2
>> uaudio0: class v1, high-speed, sync, channels: 0 play, 1 rec, 2 ctls
>> audio1 at uaudio0
>>
>> I enabled kern.audio.record, have tried aucat and ffmpeg to record
>> the audio to file, but they both suffer the same issue. Tried monitoring
>> with this command:
>>
>> $aucat -f snd/1 -d -r 96000 -o - | aucat -i -
>> stdout: rec, chan 0:1, 48000Hz, s24le4msb
>> snd/1: 48000Hz, rec 0:1, 18 blocks of 480 frames
>> stdout: started
>> started
>> stdout: stopped
>>
>> I can hear the audio I expect but behind the "ticking" noise.
>> I'm using this device to get audio/video from a VCR, I can confirm
>> it is not the VCR or this device since they both work fine with OBS
>> studio on Linux. Any help is much appreciated.
>>
>> Courtney
>>
>>
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