microphone recording got lower or higher tune than standard

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microphone recording got lower or higher tune than standard

Postby drfjx » Fri Dec 27, 2013 1:43 am

Hello, you all!

I am facing a strange problem, our box is arm-based runnig ubuntu with alsa and pulseaudio, the following test worked fine:

arecord -f S16_LE -D plughw:0,0 -r 8000 | aplay -f S16_LE -D plughw:0,0 -r 8000
arecord -f S16_LE -D plughw:0,0 -r 16000 | aplay -f S16_LE -D plughw:0,0 -r 16000
an so on up to 32k,44k,48k.

when using Mumble's Audio Tuninf Wizard to test speaker, I could only hear my voice with very lower tune than my normal, and when I use Linphone do the same test I heard my voice with very higher tune than standard.

in Mumble context I used the following setting:

Audio Tuninf Wizard:
input Device
This is the device your microphone is connectedto.
System:
ALSA
Device:
[hw:CARD=AMLCS42L52,DEV=] AML-CS42L52, Direct hardware device without any conversions
or
[hw:CARD=AMLCS42L52,DEV=] AML-CS42L52, Direct hardware device with all software conversions

if I select any Pulse options I could hear nothing except choppy sounds.

I am puzzled if the problem is in kernel driver or alsa or pulseaudio? any advice appreciated.

I'd like post the ouput informations coming from when Audio Tuninf Wizard start and, ones when I selected the first option above in Audio Tuninf Wizard:

#run mumble in a terminal:

administrator@sdn:~$ mumble
QGtkStyle was unable to detect the current GTK+ theme.
PulseAudio: Connection failure: Connection refused
G15LCDEngineUnix: Unable to connect to G15Daemon.
CELT bitstream 8000000b from libcelt0.so.0.0.0
Locale is en_US
TextToSpeech: Failed to contact speech dispatcher.
Database SQLite: "3.7.9"
WARNING The program 'mumble' uses the Apple Bonjour compatibility layer of Avahi.
WARNING Please fix your application to use the native API of Avahi!
WARNING For more information see http://0pointer.de/avahi-compat?s=libdns_sd&e=mumble
Overlay: Listening on "/home/administrator/.MumbleOverlayPipe"
GlobalShortcutX: Unable to open any keyboard input devices under /dev/input, falling back to XInput
GlobalShortcutX: Using XInput 2.2
GlobalShortcutX: XInput 4:Virtual core XTEST pointer
GlobalShortcutX: XInput 5:Virtual core XTEST keyboard
GlobalShortcutX: XInput 9:key_input
GlobalShortcutX: XInput 10:aml_keypad
GlobalShortcutX: XInput 6:Logitech USB Optical Mouse
GlobalShortcutX: XInput 7:Logitech USB Keyboard
GlobalShortcutX: XInput 8:Logitech USB Keyboard
No systemtrayicon available
AudioInput: 40000 bits/s, 48000 hz, 480 sample CELT
ALSAAudioOutput: Initialized
ALSAAudioOutput: ALSA reports 10000 output channels. Clamping to 2.
ALSAAudioOutput: Actual buffer 48000 hz, 2 channel 3072 samples [512 per period]
ALSAAudioOutput: Initializing 2 channel, 48000 hz mixer
AudioOutput: Initialized 2 channel 48000 hz mixer
ALSAAudioInput: Initing audiocapture default.
ALSAAudioInput: Actual buffer 48000 hz, 1 channel 4096 samples [512 per period]
AudioInput: Initialized mixer for 1 channel 48000 hz mic and 0 channel 48000 hz echo
warning: The VAD has been replaced by a hack pending a complete rewrite

#when the first option is selected:

ALSAAudioInput: Releasing ALSA Mic.
ALSAAudioOutput: Destroyed
AudioInput: 40000 bits/s, 48000 hz, 480 sample CELT
ALSAAudioOutput: Initialized
ALSAAudioInput: Initing audiocapture default.
ALSAAudioInput: Actual buffer 48000 hz, 1 channel 4096 samples [512 per period]
AudioInput: Initialized mixer for 1 channel 48000 hz mic and 0 channel 48000 hz echo
ALSAAudioInput: Releasing ALSA Mic.
ALSAAudioOutput: ALSA reports 10000 output channels. Clamping to 2.
ALSAAudioOutput: Actual buffer 48000 hz, 2 channel 3072 samples [512 per period]
ALSAAudioOutput: Initializing 2 channel, 48000 hz mixer
AudioOutput: Initialized 2 channel 48000 hz mixer
ALSAAudioOutput: Destroyed
AudioInput: 40000 bits/s, 48000 hz, 480 sample CELT
ALSAAudioOutput: Initialized
ALSAAudioInput: Initing audiocapture default.
ALSAAudioInput: Actual buffer 48000 hz, 1 channel 4096 samples [512 per period]
AudioInput: Initialized mixer for 1 channel 48000 hz mic and 0 channel 48000 hz echo
ALSAAudioOutput: ALSA reports 10000 output channels. Clamping to 2.
ALSAAudioOutput: Actual buffer 48000 hz, 2 channel 3072 samples [512 per period]
ALSAAudioOutput: Initializing 2 channel, 48000 hz mixer
AudioOutput: Initialized 2 channel 48000 hz mixer
warning: The VAD has been replaced by a hack pending a complete rewrite
ALSAAudioInput: Releasing ALSA Mic.
AudioInput: 40000 bits/s, 48000 hz, 480 sample CELT
ALSAAudioInput: Initing audiocapture hw:CARD=AMLCS42L52,DEV=0.
ALSAAudioInput: Actual buffer 48000 hz, 1 channel 4096 samples [512 per period]
AudioInput: Initialized mixer for 1 channel 48000 hz mic and 0 channel 48000 hz echo
warning: The VAD has been replaced by a hack pending a complete rewrite

thanks

Liuwf 2013 Dec. 26
drfjx
 
Posts: 1
Joined: Fri Dec 27, 2013 1:37 am

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