curl 'https://dlcdnets.asus.com/pub/ASUS/wireless/USB-BT400/DR_USB_BT400_1201710_Windows.zip' \
  -o bt400-driver.zip
Driver & tools for bt400 can be found here
Plug device and do
curl 'https://dlcdnets.asus.com/pub/ASUS/wireless/USB-BT400/DR_USB_BT400_1201710_Windows.zip' \
  -o bt400-driver.zip
Driver & tools for bt400 can be found here
Plug device and do
| /* | |
| * Simple sound playback using ALSA API and libasound. | |
| * | |
| * Compile: | |
| * $ cc -o play sound_playback.c -lasound | |
| * | |
| * Usage: | |
| * $ ./play <sample_rate> <channels> <seconds> < <file> | |
| * | |
| * Examples: | 
| /* | |
| A Minimal Capture Program | |
| This program opens an audio interface for capture, configures it for | |
| stereo, 16 bit, 44.1kHz, interleaved conventional read/write | |
| access. Then its reads a chunk of random data from it, and exits. It | |
| isn't meant to be a real program. | |
| From on Paul David's tutorial : http://equalarea.com/paul/alsa-audio.html |