[pulseaudio-discuss] jack modules problem with idjc

[Per Gunnarsson]

Hi again!

I noticed my USB microphone can only do s16le 2ch 44100Hz and s16le 2ch 
48000Hz.
Does that affect module-jack-source?

Regards,

Per Gunnarsson

On 10/07/2016 02:30 PM, Per Gunnarsson wrote:
> Hello!
>
> I am having issues connecting my USB microphone (a ZOOM H1) to idjc 
> through pulseaudio and jack.
> The OS is Debian Stretch on amd64.
>
> Now I have tried to:
>
> pactl load-module module-jack-source \
> source_name="alsa_input.usb 
> ZOOM_Corporation_H1_000000000000-00.analog-stereo
>
> and
>
> pactl load-module module-jack-sink \
> sink_name="alsa_output.pci-0000_00_14.2.analog-stereo"
>
> but I get no sound in idjc from the microphone. I am sure I got the 
> jack connections in idjc wired right.
> The sink seems to be working fine.
> If I only use my USB mic with pulseaudio, things work OK (I have to 
> crank up the recording volume a bit,
> but sound is fine).
> Now I did not know where to start, but I suspect the jack module or 
> something in jack to be the problem.
>
>
> pactl lists jack modules like this:
>
> Module #10
>         Name: module-jackdbus-detect
>         Argument: channels=2
>         Usage counter: n/a
>         Properties:
>                 module.author = "David Henningsson"
>                 module.description = "Adds JACK sink/source ports when 
> JACK is started"
>                 module.version = "9.0"
>
> Module #84
>         Name: module-jack-sink
>         Argument: sink_name=alsa_output.pci-0000_00_14.2.analog-stereo
>         Usage counter: 1
>         Properties:
>                 module.author = "Lennart Poettering"
>                 module.description = "JACK Sink"
>                 module.version = "9.0"
>
> Module #85
>         Name: module-jack-source
>         Argument: 
> source_name=alsa_input.usb-ZOOM_Corporation_H1_000000000000-00.analog-stereo
>         Usage counter: 1
>         Properties:
>                 module.author = "Lennart Poettering"
>                 module.description = "JACK Source"Sink #24
>         State: IDLE
>         Name: alsa_output.pci-0000_00_14.2.analog-stereo.2
>         Description: Jack sink (PulseAudio JACK Sink)
>         Driver: module-jack-sink.c
>         Sample Specification: float32le 2ch 44100Hz
>         Channel Map: front-left,front-right
>         Owner Module: 84
>         Mute: no
>         Volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 
> 65536 / 100% / 0.00 dB
>                 balance 0.00
>         Base Volume: 65536 / 100% / 0.00 dB
>         Monitor Source: 
> alsa_output.pci-0000_00_14.2.analog-stereo.2.monitor
>         Latency: 64149 usec, configured 46439 usec
>         Flags: DECIBEL_VOLUME LATENCY
>         Properties:
>                 device.api = "jack"
>                 device.description = "Jack sink (PulseAudio JACK Sink)"
>                 jack.client_name = "PulseAudio JACK Sink"
>                 device.icon_name = "audio-card"
>         Formats:
>                     pcm
>
> Source #49
>         State: RUNNING
>         Name: 
> alsa_input.usb-ZOOM_Corporation_H1_000000000000-00.analog-stereo.2
>         Description: Jack source (PulseAudio JACK Source)
>         Driver: module-jack-source.c
>         Sample Specification: float32le 2ch 44100Hz
>         Channel Map: front-left,front-right
>         Owner Module: 85
>         Mute: no
>         Volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 
> 65536 / 100% / 0.00 dB
>                 balance 0.00
>         Base Volume: 65536 / 100% / 0.00 dB
>         Monitor of Sink: n/a
>         Latency: 29274 usec, configured 23219 usec
>         Flags: DECIBEL_VOLUME LATENCY
>         Properties:
>                 device.api = "jack"
>                 device.description = "Jack source (PulseAudio JACK 
> Source)"
>                 jack.client_name = "PulseAudio JACK Source"
>                 device.icon_name = "audio-input-microphone"
>         Formats:
>                      pcm
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