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Changes
→Audio
*purchase usb sound card.
*connect stereo microphone.
*record audio with arecord:
**<code>arecord -D sysdefault -t wav -c 2 -r 44100 -f S16_LE -v binaural2.wav</code>
*playaudio:
**<code>aplay binaural2.wav</code>
*use the ALSA mixer to set recording levels, output levels, etc.:
**<code>alsamixer</code>
