coreaudio¶ ↑ CoreAudio (Audio Framework of Mac OS X) wrapper library for ruby 2.0.0 and later. Features¶ ↑ HAL (Hardware Abstraction Layer) wrapper Detect audio devices Get/Set device properties (numbers of channels, sample rate, frame size…) Output audio data (Loop buffer, Stream buffer) Input audio data (Stream buffer) Save audio data to WAV/M4A file (wrapper for ExtAudioFile) Ream audio file (W