HP Pavilion dv9700 CTO Notebook PC
System==>Preferences==>Sound
Sound Events is set to Autodetect.
Music and Movies is set to Autodetect.
Audio Conferencing Sound playback is set to Autodetect.
Audio Conferencing Sound Capture is TBD.
Default Mixer Tracks is Capture: HDA Intel - ALC268 Analog (PulseAudio Mi...
Press the test button for Sound Events, Music and Movies, and Audio Conferencing Sound Playback. You should hear an irritating tone.
Next set the Sound Capture to HDA ALC286 Analog (ALSA). Put a mic in the mic port on the front of the computer.
Pressing the Test button for Audio Conferencing Sound Capture yields static and a delayed sound. Hearing the delayed sound is best with a clap every couple of seconds.
Applications==>Sound & Video==>Sound Record
Record a few seconds of audio. Play back the audio and you should hear any sound recorded.
I was unable to record any sound at the mic by the Web Cam; however, mic in the mic port in front of the computer work fine.
Testing Results
HDA Intel Si3054 Modem (ALSA) Front Mic: Nothing Top Mic: Nothing
HDA Intel ALC268 Analog (ALSA) Front Mic: Sound Top Mic: Nothing
HDA Intel ALC268 Analog (OSS) Front Mic: Sound Top Mic: Nothing
ALSA - Advanced Linux Sound Architecture Front Mic: Sound Top Mic: Nothing
OSS - Open Sound System Mic: Sound Top Mic: Nothing
I was unable to get any sound out of the top mic.
