{ "format_type": "audiolab_recipe", "format_version": 0, "channel_count": 1, "bytes_per_sample": 2, "sample_rate": 44100, "commands": { "mix": { "enable": true, "frame_offset": 0, "frame_count": 0, "source_type": "wav_file", "source_name": "voice.wav", "source_frame_offset": 0 } } }