Hi
I'm trying to do this in order to compare three UBS dacs. However I
can't get it to work, can you help me?
The system is a Picoreplayer Linux on a RPi3.
Code:
--------------------
tc@piCorePlayer:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Amanero [Combo384 Amanero], device 0: USB Audio [USB Audio]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 1: DG8SAQI2C [DG8SAQ-I2C], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: CODEC [USB Audio CODEC], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
--------------------
The card called "Codec" is a ibasso D10
Code:
--------------------
squeezelite -l
Output devices:
null - Discard all samples (playback) or generate
zero samples (capture)
sysdefault:CARD=Amanero - Combo384 Amanero, USB Audio - Default Audio
Device
front:CARD=Amanero,DEV=0 - Combo384 Amanero, USB Audio - Front speakers
surround21:CARD=Amanero,DEV=0 - Combo384 Amanero, USB Audio - 2.1 Surround
output to Front and Subwoofer speakers
surround40:CARD=Amanero,DEV=0 - Combo384 Amanero, USB Audio - 4.0 Surround
output to Front and Rear speakers
surround41:CARD=Amanero,DEV=0 - Combo384 Amanero, USB Audio - 4.1 Surround
output to Front, Rear and Subwoofer speakers
surround50:CARD=Amanero,DEV=0 - Combo384 Amanero, USB Audio - 5.0 Surround
output to Front, Center and Rear speakers
surround51:CARD=Amanero,DEV=0 - Combo384 Amanero, USB Audio - 5.1 Surround
output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Amanero,DEV=0 - Combo384 Amanero, USB Audio - 7.1 Surround
output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Amanero,DEV=0 - Combo384 Amanero, USB Audio - IEC958
(S/PDIF) Digital Audio Output
sysdefault:CARD=DG8SAQI2C - DG8SAQ-I2C, USB Audio - Default Audio Device
front:CARD=DG8SAQI2C,DEV=0 - DG8SAQ-I2C, USB Audio - Front speakers
surround21:CARD=DG8SAQI2C,DEV=0 - DG8SAQ-I2C, USB Audio - 2.1 Surround output
to Front and Subwoofer speakers
surround40:CARD=DG8SAQI2C,DEV=0 - DG8SAQ-I2C, USB Audio - 4.0 Surround output
to Front and Rear speakers
surround41:CARD=DG8SAQI2C,DEV=0 - DG8SAQ-I2C, USB Audio - 4.1 Surround output
to Front, Rear and Subwoofer speakers
surround50:CARD=DG8SAQI2C,DEV=0 - DG8SAQ-I2C, USB Audio - 5.0 Surround output
to Front, Center and Rear speakers
surround51:CARD=DG8SAQI2C,DEV=0 - DG8SAQ-I2C, USB Audio - 5.1 Surround output
to Front, Center, Rear and Subwoofer speakers
surround71:CARD=DG8SAQI2C,DEV=0 - DG8SAQ-I2C, USB Audio - 7.1 Surround output
to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=DG8SAQI2C,DEV=0 - DG8SAQ-I2C, USB Audio - IEC958 (S/PDIF)
Digital Audio 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
--------------------
asound.conf
Code:
--------------------
# default - Generated by piCorePlayer
#pcm.!default {
# type plug
# slave.pcm "hw:0,0"
#}
pcm.!default {
type plug
slave {pcm "three"}
}
pcm.three {
type route
slave {
pcm "multi"
channels 6
}
ttable.0.0 1.0
ttable.1.1 1.0
ttable.0.2 1.0
ttable.1.3 1.0
ttable.0.4 1.0
ttable.1.5 1.0
}
pcm.multi {
type multi
slaves.a {
pcm "usb0"
channels 2
}
slaves.b {
pcm "usb1"
channels 2
}
slaves.c {
pcm "usb2"
channels 2
}
bindings.0.slave a
bindings.0.channel 0
bindings.1.slave a
bindings.1.channel 1
bindings.2.slave b
bindings.2.channel 0
bindings.3.slave b
bindings.3.channel 1
bindings.4.slave c
bindings.4.channel 0
bindings.5.slave c
bindings.5.channel 1
}
pcm.usb1 {
type hw
card 0
device 0
channels 2
}
pcm.usb2 {
type hw
card 1
device 0
channels 2
}
pcm.usb3 {
type hw
card 2
device 0
channels 2
}
--------------------
The above alsa.conf does not work. Squeezelite does not start with
"default" in the Picoreplayer web gui output settings field, or when I
leave this field empty.
Entering one of the dacs in the output field does work.
Code:
--------------------
sysdefault:CARD=Amanero
sysdefault:CARD=DG8SAQI2C
sysdefault:CARD=CODEC
--------------------
However, I'd like to let them all paly simultaneously. Any help how to
get sound simultaneously from all three dacs would be most welcome.
------------------------------------------------------------------------
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