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#1 2019-09-13 09:48:09

erfanjoker
Member
From: Tabriz / Iran
Registered: 2017-03-26
Posts: 75
Website

WoMic noisy and unclear sound

Hi, Im trying to use WoMic to use my iPhone sound input as an input to my Arch Linux

The Only available option for iPhone is creating connection via WiFi and for that i used an android device hotspot to connect my Womic to my arch linux, but the result was a noisy and unclear sound

my guesses resulted that it might be a delay in transfering data via old android phone's hotspot and for that, i tried to create AP on my own Arch Linux (using Create_AP script) to reduce the delay as much as possible, but now again im getting the same result : noisy and unclear sound input

Im sure its not a hardware problem because im having a really clear voice on my iphone, but Womic just makes it noisy on my Arch Linux (works fine in windows, i have tested now)

here are my steps :

1. I load the snd-aloop module (needed by womic) using the command below :

sudo modprobe snd-aloop

2. I run WoMic to connect to my iPhone :

sudo ./womic -t WIFI 192.168.12.19

3. I start recording sound using arecord from that sound input :

arecord -c 1 -r 48000 -f S16_LE -D "hw:CARD=Loopback,DEV=1,SUBDEV=0" Desktop.wav

and the results are below :
Sound on my iPhone
Sound on my Arch Linux

this is my sound card info :

╭─erfan at erfan in /home/erfan
╰─λ lspci | grep -i audio                              0 < 14:16:15
00:1b.0 Audio device: Intel Corporation 7 Series/C216 Chipset Family High Definition Audio Controller (rev 04)

edit : i also have tested sound in-action by using simplescreenrecorder and using ALSA input config on hw: 1,1 and getting the same sound on screen record

Last edited by erfanjoker (2019-09-13 09:53:43)

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#2 2019-09-16 18:57:15

erfanjoker
Member
From: Tabriz / Iran
Registered: 2017-03-26
Posts: 75
Website

Re: WoMic noisy and unclear sound

any solutions ?

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#3 2019-09-16 22:32:43

2ManyDogs
Forum Moderator
Registered: 2012-01-15
Posts: 2,744

Re: WoMic noisy and unclear sound

erfanjoker wrote:

any solutions ?

Don't do that.

Read the Code of Conduct. We are not going to ask you again.

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#4 2019-10-03 10:00:57

erfanjoker
Member
From: Tabriz / Iran
Registered: 2017-03-26
Posts: 75
Website

Re: WoMic noisy and unclear sound

Also i have to mention im getting the error below after it connects in terminal :

ALSA lib pcm_dmix.c:1108:(snd_pcm_dmix_open) unable to open slave

this is the complete output and the command :

╭─erfan at erfan in /home/erfan/Wo Mic
╰─λ sudo ./womic -t WIFI 172.20.10.12                         0 < 13:28:37
Connecting... 
ALSA lib pcm_dmix.c:1108:(snd_pcm_dmix_open) unable to open slave
Connected     

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#5 2019-10-15 17:29:25

erfanjoker
Member
From: Tabriz / Iran
Registered: 2017-03-26
Posts: 75
Website

Re: WoMic noisy and unclear sound

Guys I have tested this feature on a live ubuntu on my laptop (the same laptop that im using arch linux) and everything worked fine !

so whats wrong with arch linux ? can u guys test wo mic on your own arch and tell me the result ? what could be possibly causing this issue ?

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#6 2019-10-15 18:57:51

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 7,635

Re: WoMic noisy and unclear sound

dmix failed to open slave means it couldn't open up your default ALSA device. As you are using pulseaudio, you will want to install pulseaudio-alsa if you haven't yet.

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#7 2019-10-16 12:45:37

erfanjoker
Member
From: Tabriz / Iran
Registered: 2017-03-26
Posts: 75
Website

Re: WoMic noisy and unclear sound

V1del wrote:

dmix failed to open slave means it couldn't open up your default ALSA device. As you are using pulseaudio, you will want to install pulseaudio-alsa if you haven't yet.

I already have pulseaudio-alsa installed

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#8 2019-10-16 13:07:42

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 7,635

Re: WoMic noisy and unclear sound

Output of

aplay -lL

?

Last edited by V1del (2019-10-16 13:08:02)

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#9 2019-10-16 13:20:40

erfanjoker
Member
From: Tabriz / Iran
Registered: 2017-03-26
Posts: 75
Website

Re: WoMic noisy and unclear sound

V1del wrote:

Output of

aplay -lL

?

╭─erfan at erfan in /home/erfan
╰─λ aplay -lL                                                                                                                             0 < 16:48:07
null
    Discard all samples (playback) or generate zero samples (capture)
jack
    JACK Audio Connection Kit
pulse
    PulseAudio Sound Server
default
    Default ALSA Output (currently PulseAudio Sound Server)
sysdefault:CARD=Loopback
    Loopback, Loopback PCM
    Default Audio Device
front:CARD=Loopback,DEV=0
    Loopback, Loopback PCM
    Front speakers
surround21:CARD=Loopback,DEV=0
    Loopback, Loopback PCM
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=Loopback,DEV=0
    Loopback, Loopback PCM
    4.0 Surround output to Front and Rear speakers
surround41:CARD=Loopback,DEV=0
    Loopback, Loopback PCM
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Loopback,DEV=0
    Loopback, Loopback PCM
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Loopback,DEV=0
    Loopback, Loopback PCM
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Loopback,DEV=0
    Loopback, Loopback PCM
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
usbstream:CARD=Loopback
    Loopback
    USB Stream Output
sysdefault:CARD=PCH
    HDA Intel PCH, ALC269VC Analog
    Default Audio Device
front:CARD=PCH,DEV=0
    HDA Intel PCH, ALC269VC Analog
    Front speakers
surround21:CARD=PCH,DEV=0
    HDA Intel PCH, ALC269VC Analog
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=PCH,DEV=0
    HDA Intel PCH, ALC269VC Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=PCH,DEV=0
    HDA Intel PCH, ALC269VC Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=PCH,DEV=0
    HDA Intel PCH, ALC269VC Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=PCH,DEV=0
    HDA Intel PCH, ALC269VC Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=PCH,DEV=0
    HDA Intel PCH, ALC269VC 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
usbstream:CARD=PCH
    HDA Intel PCH
    USB Stream Output
usbstream:CARD=ThinkPadEC
    ThinkPad Console Audio Control
    USB Stream Output
**** List of PLAYBACK Hardware Devices ****
card 0: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM]
  Subdevices: 7/8
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1
  Subdevice #2: subdevice #2
  Subdevice #3: subdevice #3
  Subdevice #4: subdevice #4
  Subdevice #5: subdevice #5
  Subdevice #6: subdevice #6
  Subdevice #7: subdevice #7
card 0: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM]
  Subdevices: 8/8
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1
  Subdevice #2: subdevice #2
  Subdevice #3: subdevice #3
  Subdevice #4: subdevice #4
  Subdevice #5: subdevice #5
  Subdevice #6: subdevice #6
  Subdevice #7: subdevice #7
card 1: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

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