Some more information.
aplay -L:
null
Discard all samples (playback) or generate zero samples (capture)
pulse
PulseAudio Sound Server
sysdefault:CARD=PCH
HDA Intel PCH, ALC3221 Analog
Default Audio Device
front:CARD=PCH,DEV=0
HDA Intel PCH, ALC3221 Analog
Front speakers
surround21:CARD=PCH,DEV=0
HDA Intel PCH, ALC3221 Analog
2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=PCH,DEV=0
HDA Intel PCH, ALC3221 Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=PCH,DEV=0
HDA Intel PCH, ALC3221 Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=PCH,DEV=0
HDA Intel PCH, ALC3221 Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=PCH,DEV=0
HDA Intel PCH, ALC3221 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=PCH,DEV=0
HDA Intel PCH, ALC3221 Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
hdmi:CARD=PCH,DEV=0
HDA Intel PCH, HDMI 0
HDMI Audio Output
sysdefault:CARD=Ravo
Ravo, USB Audio
Default Audio Device
front:CARD=Ravo,DEV=0
Ravo, USB Audio
Front speakers
surround21:CARD=Ravo,DEV=0
Ravo, USB Audio
2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=Ravo,DEV=0
Ravo, USB Audio
4.0 Surround output to Front and Rear speakers
surround41:CARD=Ravo,DEV=0
Ravo, USB Audio
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Ravo,DEV=0
Ravo, USB Audio
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Ravo,DEV=0
Ravo, USB Audio
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Ravo,DEV=0
Ravo, USB Audio
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Ravo,DEV=0
Ravo, USB Audio
IEC958 (S/PDIF) Digital Audio Output
aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC3221 Analog [ALC3221 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Ravo [Ravo], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
speaker-test -D sysdefault:CARD=Ravo
speaker-test 1.1.2
Playback device is sysdefault:CARD=Ravo
Stream parameters are 48000Hz, S16_LE, 1 channels
Using 16 octaves of pink noise
ALSA lib pcm_direct.c:1054:(snd1_pcm_direct_initialize_slave) unable to
install hw params
ALSA lib pcm_dmix.c:1053:(snd_pcm_dmix_open) unable to initialize slave
Playback open error: -32,Broken pipe
speaker-test -D front:CARD=Ravo,DEV=0
speaker-test 1.1.2
Playback device is front:CARD=Ravo,DEV=0
Stream parameters are 48000Hz, S16_LE, 1 channels
Using 16 octaves of pink noise
Channels count (1) not available for playbacks: Invalid argument
Setting of hwparams failed: Invalid argument
On Σάββατο, 3 Δεκεμβρίου 2016 6:40:23 Μ.Μ. EET Dimitris Damigos wrote:
> Hi, to all.
> I have just bouth a multieffect for guitar that has usb audio capabilities.
> In windows 10 it is automatically recognized.
> The multieffect is
> http://www.hotoneaudio.com/products/Ravo/2015/1011/112.html and lsusb list
> it as
> Bus 003 Device 006: ID 0416:0002 Winbond Electronics Corp.
> Please guide me how to troubleshoot it.
>
> Thank you in advance,
> Dimitris Damigos
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