Slackware 13.1 - Voice recording with microphone
================================================

Public domain
********************************************************************************
### List soundcards

    # cat /proc/asound/cards
     0 [Intel          ]: HDA-Intel - HDA Intel
                          HDA Intel at 0xfbffc000 irq 28

********************************************************************************
### List all soundcards and digital audio devices

    # arecord -l
    **** List of CAPTURE Hardware Devices ****
    card 0: Intel [HDA Intel], device 0: ALC662 rev1 Analog [ALC662 rev1 Analog]
      Subdevices: 0/1
      Subdevice #0: subdevice #0
    card 0: Intel [HDA Intel], device 1: ALC662 rev1 Digital [ALC662 rev1 Digital]
      Subdevices: 1/1
      Subdevice #0: subdevice #0

********************************************************************************
### alsamixer settings for recording

<img src="slackware-13.1-voice-record-microphone.jpg" alt="alsamixer settings for recording" width="1000">

********************************************************************************
### Test for 10 seconds

    arecord -d 10 test-mic.wav
    aplay test-mic.wav

********************************************************************************
### Recording

    arecord -f S16_LE -c1 -r44100 -t raw -d 3 | lame -r -s 44.10 -m m -b 128 - record.mp3

********************************************************************************
_BY: Pejman Moghadam_  
_TAG: alsamixer, microphone, arecord, capture_  
_DATE: 2012-04-07 16:02:59_