split or define input sources

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serkanp
Posts: 1
Joined: Mon Nov 05, 2018 11:08 pm

split or define input sources

Post by serkanp » Tue Nov 06, 2018 1:15 am

hi,
is there any way to split or define the input sources as seperate devices?
in audacity, i can record only the first 2 channels
i cannot record all (6) channels (it only records the first 2 channels and other channels seems silence)
in audacity (or any other program) i can not select second or third input device(s)

i need to select any recording channel, It looks like there are input volume controls ("cvolume") but no input switching controls ("cswitch") on that device

Code: Select all

$ amixer -D hw:0
Simple mixer control 'ADC High-Pass Filter',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'ADC Soft Ramp & Zero Cross Control',0
  Capabilities: enum
  Items: 'Immediate Change' 'Zero Cross' 'Soft Ramp' 'Soft Ramp on Zero Cross'
  Item0: 'Immediate Change'
Simple mixer control 'ADC1',0
  Capabilities: cvolume
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 176
  Front Left: Capture 161 [91%] [16.50dB]
  Front Right: Capture 161 [91%] [16.50dB]
Simple mixer control 'ADC1 Invert',0
  Capabilities: pswitch
  Playback channels: Front Left - Front Right
  Mono:
  Front Left: Playback [off]
  Front Right: Playback [off]
Simple mixer control 'ADC1 Single Ended Mode',0
  Capabilities: enum
  Items: 'Differential' 'Single-Ended'
  Item0: 'Differential'
Simple mixer control 'ADC2',0
  Capabilities: cvolume
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 176
  Front Left: Capture 158 [90%] [15.00dB]
  Front Right: Capture 158 [90%] [15.00dB]
Simple mixer control 'ADC2 Invert',0
  Capabilities: pswitch
  Playback channels: Front Left - Front Right
  Mono:
  Front Left: Playback [off]
  Front Right: Playback [off]
Simple mixer control 'ADC2 Single Ended Mode',0
  Capabilities: enum
  Items: 'Differential' 'Single-Ended'
  Item0: 'Differential'
Simple mixer control 'ADC3',0
  Capabilities: cvolume
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 176
  Front Left: Capture 158 [90%] [15.00dB]
  Front Right: Capture 158 [90%] [15.00dB]
Simple mixer control 'ADC3 Invert',0
  Capabilities: pswitch
  Playback channels: Front Left - Front Right
  Mono:
  Front Left: Playback [off]
  Front Right: Playback [off]
Simple mixer control 'ADC3 Single Ended Mode',0
  Capabilities: enum
  Items: 'Differential' 'Single-Ended'
  Item0: 'Differential'
Simple mixer control 'DAC Auto Mute',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'DAC De-emphasis',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'DAC Soft Ramp & Zero Cross Control',0
  Capabilities: enum
  Items: 'Immediate Change' 'Zero Cross' 'Soft Ramp' 'Soft Ramp on Zero Cross'
  Item0: 'Immediate Change'
Simple mixer control 'DAC1',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%] [0.00dB]
  Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'DAC1 Invert',0
  Capabilities: pswitch
  Playback channels: Front Left - Front Right
  Mono:
  Front Left: Playback [off]
  Front Right: Playback [off]
Simple mixer control 'DAC2',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%] [0.00dB]
  Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'DAC2 Invert',0
  Capabilities: pswitch
  Playback channels: Front Left - Front Right
  Mono:
  Front Left: Playback [off]
  Front Right: Playback [off]
Simple mixer control 'DAC3',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%] [0.00dB]
  Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'DAC3 Invert',0
  Capabilities: pswitch
  Playback channels: Front Left - Front Right
  Mono:
  Front Left: Playback [off]
  Front Right: Playback [off]
Simple mixer control 'DAC4',0
  Capabilities: pvolume
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%] [0.00dB]
  Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'DAC4 Invert',0
  Capabilities: pswitch
  Playback channels: Front Left - Front Right
  Mono:
  Front Left: Playback [off]
  Front Right: Playback [off]
Simple mixer control 'Mute ADC Serial Port',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]

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