Audio Class
HCC’s audio class driver allows USB speakers and microphones to be used with embedded systems.
Supported Features include:
- FORMAT TYPE I (PCM/PCM8) streams
- FORMAT TYPE II (MPEG) streams
- sample rate adjustment to rate supported by the audio device
- input terminal (IT) of streaming type (playback)
- output terminal of (OT) streaming type (e.g., microphone)
- AF Version 1.0 (full speed)
- feature unit: volume/mute control, tone control, graphic equalizer, bass boost, loudness, etc.
- processing unit: up/down mix, Dolby Prologic, 3D stereo extender, reverberation, chorus, dynamic range compression, extension
- selector unit support (switch between line-in and microphone)
- mixer unit
Some audio configurations can be complex, particularly on embedded systems. HCC can supply custom-verified audio class drivers for specific device types.
