[pulseaudio-discuss] what is still missing?

[guest271314]

Are you sure your microphone volume is greater than 0?

On Sat, Feb 11, 2023 at 1:40 AM Matti Riikari <matti at riikari.fi> wrote:

> I've ended up in dead end. Recording from default input produces just
> white noise. Everything is seemengly correct, but what is still missing?
>
> I have a Deltaco UAC-03 USB sound card.
>
> /etc/pulse/defaul.conf:
> set-default-source
> alsa_input.usb-GeneralPlus_USB_Audio_Device-00.mono-fallback
>
> pacmd list-sources | grep -e 'index:' -e device.string -e 'name:'
>
> * index: 5
>     name: <alsa_input.usb-GeneralPlus_USB_Audio_Device-00.mono-fallback>
>         device.string = "hw:2"
>
> parecord --record test.wav
>
> When recording, pacmd list-sources shows the correct  source is activated:
> Source #5
>     State: RUNNING
>     Name: alsa_input.usb-GeneralPlus_USB_Audio_Device-00.mono-fallback
>     Description: USB Audio Device Mono
>
> But the sound file is an empty recording. Checked with alsamixer mic is
> not muted.
>
>
> Empty recording also by
> parecord --record
> --device="alsa_input.usb-GeneralPlus_USB_Audio_Device-00.mono-fallback"
> test.wav
>
> and
> parecord --record
> --device="alsa_input.usb-GeneralPlus_USB_Audio_Device-00.mono-fallback"
> --volume=40000 --channels=1 test.wav
>
> Same for
> arecord test.wav
>
> and
> arecord --device="hw:2" test.wav
>
> vumeter switch shows the truth, nothing is coming in. What am I missing?
> arecord --vumeter=mono test.wav
> Recording WAVE 'out.wav' : Signed 16 bit Little Endian, Rate 8000 Hz, Mono
> #+                                                 | 00%
>
>
>
>
> Thanks for any help to solve this.
>
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