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Using and configuring ALSA plugins dmix and dsnoop for stereo play and capture
The 2019 Stack Overflow Developer Survey Results Are InTrying to improve sound quality with ALSAHow to simultaneously play sounds on 4.0 surround system using aplayUnderstanding Mixing of sounds in ALSAFocusrite Scarlett on Linux input mapping?Pipe/Mix Line In to Output in PulseAudioALSA - Traktor Audio 2 - How to split front and rear stereo channels / How to debug dmixHow do I use ALSA or PulseAudio to remap stereo source to an 8-channel PCM and lower the volume?Understanding what “channels”, “buffer_size”, “period_size”, “bindings” and “ipc_key” stand for in .asoundrcalsa pre-amp volumeALSA mono configuration not working
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I installed a new PCI based soundcard in my PC. It has 8 S/PDIF based I/O pairs with each line numbered 1 to 8 for input as well as output. And I'm trying to use lines 3-8 for input (mics) and 3-8 for output (play) in stereo with :
- line 3 + line 4 = channel 1 (both input and output),
- line 5 + line 6 = channel 2 (both input and output),
- line 7 + line 8 = channel 3 (both input and output).
So, I created the following .asoundrc:
pcm.!default
type plug
slave
pcm "hw:1,0"
ctl.!default
type hw
card 1
pcm.play_out_44
type dmix
ipc_key 1201
ipc_key_add_uid true
slave
pcm "hw:1,0"
channels 2
rate 44100
format S32_LE
buffer_size 4096
period_size 1024
pcm.rec_in_44
type dsnoop
ipc_key 1210
slave
pcm "hw:1,0"
channels 2
rate 44100
buffer_size 4096
period_size 1024
pcm.outch1
type plug
slave
pcm "play_out_44"
bindings
2 2
3 3
hint.description "PCI Card Stereo output/playback channel 1 (from output ports 3 & 4)"
pcm.inch1
type plug
slave
pcm "rec_in_44"
bindings
2 2
3 3
hint.description "PCI Card Stereo input/capture channel 1 (from input ports 3 & 4)"
pcm.outch2
type plug
slave
pcm "play_out_44"
bindings
4 4
5 5
hint.description "PCI Card Stereo output/playback channel 2 (from output ports 5 & 6)"
pcm.inch2
type plug
slave
pcm "rec_in_44"
bindings
4 4
5 5
hint.description "PCI Card Stereo input/capture channel 2 (from input ports 5 & 6)"
pcm.outch3
type plug
slave
pcm "play_out_44"
bindings
6 6
7 7
hint.description "PCI Card Stereo output/playback channel 3 (from output ports 7 & 8)"
pcm.inch3
type plug
slave
pcm "rec_in_44"
bindings
6 6
7 7
hint.description "PCI Card Stereo input/capture channel 3 (from input ports 7 & 8)"
As mentioned here, I created a new dmix type to suit my configuration. But when I try to open Audacity to try and play and capture, none of inch1, inch2, inch3, outch1, outch2, outch3 are available in the recording device or playback device list!
How do I modify or create a .asoundrc for stereo play and stereo capture on my device?
audio alsa recording
asked Apr 8 at 8:01
skrowten_hermitskrowten_hermit
2131420
This question has an open bounty worth +50
reputation from skrowten_hermit ending ending at 2019-04-17 17:10:30Z">in 6 days.
The question is widely applicable to a large audience. A detailed canonical answer is required to address all the concerns.
Kindly provide a detailed explanation on how to fix or an alternate ALSA configuration.
add a comment |
I installed a new PCI based soundcard in my PC. It has 8 S/PDIF based I/O pairs with each line numbered 1 to 8 for input as well as output. And I'm trying to use lines 3-8 for input (mics) and 3-8 for output (play) in stereo with :
- line 3 + line 4 = channel 1 (both input and output),
- line 5 + line 6 = channel 2 (both input and output),
- line 7 + line 8 = channel 3 (both input and output).
So, I created the following .asoundrc:
pcm.!default
type plug
slave
pcm "hw:1,0"
ctl.!default
type hw
card 1
pcm.play_out_44
type dmix
ipc_key 1201
ipc_key_add_uid true
slave
pcm "hw:1,0"
channels 2
rate 44100
format S32_LE
buffer_size 4096
period_size 1024
pcm.rec_in_44
type dsnoop
ipc_key 1210
slave
pcm "hw:1,0"
channels 2
rate 44100
buffer_size 4096
period_size 1024
pcm.outch1
type plug
slave
pcm "play_out_44"
bindings
2 2
3 3
hint.description "PCI Card Stereo output/playback channel 1 (from output ports 3 & 4)"
pcm.inch1
type plug
slave
pcm "rec_in_44"
bindings
2 2
3 3
hint.description "PCI Card Stereo input/capture channel 1 (from input ports 3 & 4)"
pcm.outch2
type plug
slave
pcm "play_out_44"
bindings
4 4
5 5
hint.description "PCI Card Stereo output/playback channel 2 (from output ports 5 & 6)"
pcm.inch2
type plug
slave
pcm "rec_in_44"
bindings
4 4
5 5
hint.description "PCI Card Stereo input/capture channel 2 (from input ports 5 & 6)"
pcm.outch3
type plug
slave
pcm "play_out_44"
bindings
6 6
7 7
hint.description "PCI Card Stereo output/playback channel 3 (from output ports 7 & 8)"
pcm.inch3
type plug
slave
pcm "rec_in_44"
bindings
6 6
7 7
hint.description "PCI Card Stereo input/capture channel 3 (from input ports 7 & 8)"
As mentioned here, I created a new dmix type to suit my configuration. But when I try to open Audacity to try and play and capture, none of inch1, inch2, inch3, outch1, outch2, outch3 are available in the recording device or playback device list!
How do I modify or create a .asoundrc for stereo play and stereo capture on my device?
audio alsa recording
asked Apr 8 at 8:01
skrowten_hermitskrowten_hermit
2131420
This question has an open bounty worth +50
reputation from skrowten_hermit ending ending at 2019-04-17 17:10:30Z">in 6 days.
The question is widely applicable to a large audience. A detailed canonical answer is required to address all the concerns.
Kindly provide a detailed explanation on how to fix or an alternate ALSA configuration.
add a comment |
I installed a new PCI based soundcard in my PC. It has 8 S/PDIF based I/O pairs with each line numbered 1 to 8 for input as well as output. And I'm trying to use lines 3-8 for input (mics) and 3-8 for output (play) in stereo with :
- line 3 + line 4 = channel 1 (both input and output),
- line 5 + line 6 = channel 2 (both input and output),
- line 7 + line 8 = channel 3 (both input and output).
So, I created the following .asoundrc:
pcm.!default
type plug
slave
pcm "hw:1,0"
ctl.!default
type hw
card 1
pcm.play_out_44
type dmix
ipc_key 1201
ipc_key_add_uid true
slave
pcm "hw:1,0"
channels 2
rate 44100
format S32_LE
buffer_size 4096
period_size 1024
pcm.rec_in_44
type dsnoop
ipc_key 1210
slave
pcm "hw:1,0"
channels 2
rate 44100
buffer_size 4096
period_size 1024
pcm.outch1
type plug
slave
pcm "play_out_44"
bindings
2 2
3 3
hint.description "PCI Card Stereo output/playback channel 1 (from output ports 3 & 4)"
pcm.inch1
type plug
slave
pcm "rec_in_44"
bindings
2 2
3 3
hint.description "PCI Card Stereo input/capture channel 1 (from input ports 3 & 4)"
pcm.outch2
type plug
slave
pcm "play_out_44"
bindings
4 4
5 5
hint.description "PCI Card Stereo output/playback channel 2 (from output ports 5 & 6)"
pcm.inch2
type plug
slave
pcm "rec_in_44"
bindings
4 4
5 5
hint.description "PCI Card Stereo input/capture channel 2 (from input ports 5 & 6)"
pcm.outch3
type plug
slave
pcm "play_out_44"
bindings
6 6
7 7
hint.description "PCI Card Stereo output/playback channel 3 (from output ports 7 & 8)"
pcm.inch3
type plug
slave
pcm "rec_in_44"
bindings
6 6
7 7
hint.description "PCI Card Stereo input/capture channel 3 (from input ports 7 & 8)"
As mentioned here, I created a new dmix type to suit my configuration. But when I try to open Audacity to try and play and capture, none of inch1, inch2, inch3, outch1, outch2, outch3 are available in the recording device or playback device list!
How do I modify or create a .asoundrc for stereo play and stereo capture on my device?
audio alsa recording
asked Apr 8 at 8:01
skrowten_hermitskrowten_hermit
2131420
I installed a new PCI based soundcard in my PC. It has 8 S/PDIF based I/O pairs with each line numbered 1 to 8 for input as well as output. And I'm trying to use lines 3-8 for input (mics) and 3-8 for output (play) in stereo with :
- line 3 + line 4 = channel 1 (both input and output),
- line 5 + line 6 = channel 2 (both input and output),
- line 7 + line 8 = channel 3 (both input and output).
So, I created the following .asoundrc:
pcm.!default
type plug
slave
pcm "hw:1,0"
ctl.!default
type hw
card 1
pcm.play_out_44
type dmix
ipc_key 1201
ipc_key_add_uid true
slave
pcm "hw:1,0"
channels 2
rate 44100
format S32_LE
buffer_size 4096
period_size 1024
pcm.rec_in_44
type dsnoop
ipc_key 1210
slave
pcm "hw:1,0"
channels 2
rate 44100
buffer_size 4096
period_size 1024
pcm.outch1
type plug
slave
pcm "play_out_44"
bindings
2 2
3 3
hint.description "PCI Card Stereo output/playback channel 1 (from output ports 3 & 4)"
pcm.inch1
type plug
slave
pcm "rec_in_44"
bindings
2 2
3 3
hint.description "PCI Card Stereo input/capture channel 1 (from input ports 3 & 4)"
pcm.outch2
type plug
slave
pcm "play_out_44"
bindings
4 4
5 5
hint.description "PCI Card Stereo output/playback channel 2 (from output ports 5 & 6)"
pcm.inch2
type plug
slave
pcm "rec_in_44"
bindings
4 4
5 5
hint.description "PCI Card Stereo input/capture channel 2 (from input ports 5 & 6)"
pcm.outch3
type plug
slave
pcm "play_out_44"
bindings
6 6
7 7
hint.description "PCI Card Stereo output/playback channel 3 (from output ports 7 & 8)"
pcm.inch3
type plug
slave
pcm "rec_in_44"
bindings
6 6
7 7
hint.description "PCI Card Stereo input/capture channel 3 (from input ports 7 & 8)"
As mentioned here, I created a new dmix type to suit my configuration. But when I try to open Audacity to try and play and capture, none of inch1, inch2, inch3, outch1, outch2, outch3 are available in the recording device or playback device list!
How do I modify or create a .asoundrc for stereo play and stereo capture on my device?
audio alsa recording
audio alsa recording
asked Apr 8 at 8:01
skrowten_hermitskrowten_hermit
2131420
asked Apr 8 at 8:01
skrowten_hermitskrowten_hermit
2131420
edited yesterday
skrowten_hermit
asked Apr 8 at 8:01
skrowten_hermitskrowten_hermit
2131420
asked Apr 8 at 8:01
skrowten_hermitskrowten_hermit
2131420
asked Apr 8 at 8:01
skrowten_hermitskrowten_hermit
2131420
2131420
This question has an open bounty worth +50
reputation from skrowten_hermit ending ending at 2019-04-17 17:10:30Z">in 6 days.
The question is widely applicable to a large audience. A detailed canonical answer is required to address all the concerns.
Kindly provide a detailed explanation on how to fix or an alternate ALSA configuration.
This question has an open bounty worth +50
reputation from skrowten_hermit ending ending at 2019-04-17 17:10:30Z">in 6 days.
The question is widely applicable to a large audience. A detailed canonical answer is required to address all the concerns.
Kindly provide a detailed explanation on how to fix or an alternate ALSA configuration.
add a comment |
add a comment |
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-alsa, audio, recording
