2012-04-01, 19:25
It will look at the formats supported by the audio device selected in System>Audio Output where the driver is listed.
Yes, if your device supports float there is one less conversion. Some of the Creative cards support float, as do other higher-end soundcards, but most GPU HDMI ports support integer only, whether 16bit (AE_FMT_S16xx) or 24bit packed into 32bit structures (AE_FMT_S24xx4)
Yes, if your device supports float there is one less conversion. Some of the Creative cards support float, as do other higher-end soundcards, but most GPU HDMI ports support integer only, whether 16bit (AE_FMT_S16xx) or 24bit packed into 32bit structures (AE_FMT_S24xx4)