Jorge, Sorry for top posting. I'm at a site with limited capabilities at the moment. Please forgive.
I'm slightly confused by the question but before I get into that please provide the output of cat /proc/asound/cards cat /proc/asound/modules What desktop environment are you using? What kernel are you running? Thanks, Mark On Wed, Apr 22, 2020 at 2:57 PM Jorge Almeida <jjalme...@gmail.com> wrote: > ... desperately needed. > > The setup: > -- a microphone connected to an audio interface, which connects to an > USB port in the computer. The interface works like a USB sound card, > at least regarding sound capture. It works: I can record my voice with > arecord into a wav file, and then play the file with aplay. > -- a (motherboard) sound card with a toslink output connected to an > external DAC/amplifier. It works: playing wav, youtube, etc. > > The problem: > I need to use it for voice chat. I tried slack and discord (the latter > both via browser and app--there's a package in portage--, the former > only via browser). No sound, neither outbound nor inbound. > None of these programs provides a way to tell them which devices to > use, so I assume they just go for some default. > I don't have a .asoundrc file. Contents of /etc/alsa/conf.d/ are not > customized. > Maybe some ALSA wiz that happens to be familiar with discord can > suggest something? > > Thanks > > Jorge Almeida > > $ cat /proc/asound/devices > 1: : sequencer > 2: [ 0- 0]: digital audio playback > 3: [ 0- 0]: digital audio capture > 4: [ 0- 1]: digital audio playback > 5: [ 0- 2]: digital audio capture > 6: [ 0- 3]: digital audio playback > 7: [ 0] : control > 8: [ 1- 0]: digital audio playback > 9: [ 1- 0]: digital audio capture > 10: [ 1] : control > 33: : timer > > $ arecord -L > null > Discard all samples (playback) or generate zero samples (capture) > sysdefault:CARD=PCH > HDA Intel PCH, Generic Analog > Default Audio Device > front:CARD=PCH,DEV=0 > HDA Intel PCH, Generic Analog > Front speakers > usbstream:CARD=PCH > HDA Intel PCH > USB Stream Output > sysdefault:CARD=CODEC > USB Audio CODEC, USB Audio > Default Audio Device > front:CARD=CODEC,DEV=0 > USB Audio CODEC, USB Audio > Front speakers > surround21:CARD=CODEC,DEV=0 > USB Audio CODEC, USB Audio > 2.1 Surround output to Front and Subwoofer speakers > surround40:CARD=CODEC,DEV=0 > USB Audio CODEC, USB Audio > 4.0 Surround output to Front and Rear speakers > surround41:CARD=CODEC,DEV=0 > USB Audio CODEC, USB Audio > 4.1 Surround output to Front, Rear and Subwoofer speakers > surround50:CARD=CODEC,DEV=0 > USB Audio CODEC, USB Audio > 5.0 Surround output to Front, Center and Rear speakers > surround51:CARD=CODEC,DEV=0 > USB Audio CODEC, USB Audio > 5.1 Surround output to Front, Center, Rear and Subwoofer speakers > surround71:CARD=CODEC,DEV=0 > USB Audio CODEC, USB Audio > 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers > iec958:CARD=CODEC,DEV=0 > USB Audio CODEC, USB Audio > IEC958 (S/PDIF) Digital Audio Output > usbstream:CARD=CODEC > USB Audio CODEC > USB Stream Output > > $ aplay -L > null > Discard all samples (playback) or generate zero samples (capture) > sysdefault:CARD=PCH > HDA Intel PCH, Generic Analog > Default Audio Device > front:CARD=PCH,DEV=0 > HDA Intel PCH, Generic Analog > Front speakers > surround21:CARD=PCH,DEV=0 > HDA Intel PCH, Generic Analog > 2.1 Surround output to Front and Subwoofer speakers > surround40:CARD=PCH,DEV=0 > HDA Intel PCH, Generic Analog > 4.0 Surround output to Front and Rear speakers > surround41:CARD=PCH,DEV=0 > HDA Intel PCH, Generic Analog > 4.1 Surround output to Front, Rear and Subwoofer speakers > surround50:CARD=PCH,DEV=0 > HDA Intel PCH, Generic Analog > 5.0 Surround output to Front, Center and Rear speakers > surround51:CARD=PCH,DEV=0 > HDA Intel PCH, Generic Analog > 5.1 Surround output to Front, Center, Rear and Subwoofer speakers > surround71:CARD=PCH,DEV=0 > HDA Intel PCH, Generic Analog > 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers > iec958:CARD=PCH,DEV=0 > HDA Intel PCH, Generic Digital > IEC958 (S/PDIF) Digital Audio Output > hdmi:CARD=PCH,DEV=0 > HDA Intel PCH, Generic Digital > HDMI Audio Output > usbstream:CARD=PCH > HDA Intel PCH > USB Stream Output > sysdefault:CARD=CODEC > USB Audio CODEC, USB Audio > > I know iec958:CARD=CODEC,DEV=0 is the appropriate device for capture > and that iec958:CARD=PCH,DEV=0 is the appropriate device for playback, > because it's what works with -D. > >
