============================== Default recording device number: 0 Default playback device number: 1 ============================== Device ID: 0 Device name: Built-in Microphone Host name: Core Audio Recording channels: 2 Playback channels: 0 Low Recording Latency: 0.00294785 Low Playback Latency: 0.01 High Recording Latency: 0.0131066 High Playback Latency: 0.1 Supported Rates: ============================== Device ID: 1 Device name: Built-in Output Host name: Core Audio Recording channels: 0 Playback channels: 2 Low Recording Latency: 0.01 Low Playback Latency: 0.0109297 High Recording Latency: 0.1 High Playback Latency: 0.0210884 Supported Rates: ============================== Selected recording device: 0 - Built-in Microphone Selected playback device: 1 - Built-in Output Supported Rates: