If you're using Docker, make sure to add -p 12333:12333/udp to your docker run command. This command receives raw 16-bit 16 kHz audio chunks via UDP port 12333. "record_arguments": "udpsrc port=12333 ! rawaudioparse use-sink-caps=false format=pcm pcm-format=s16le sample-rate=16000 num-channels=1 ! queue ! audioconvert ! audioresample ! filesink location=/dev/stdout", Implemented by rhasspy-microphone-cli-hermes GStreamerĪs of Rhasspy 2.5, you can use gstreamer through the command microphone system. The test_program and its arguments are send to Python's str.format with the device name as the only argument, so in test_program or test_arguments will be replaced with it. This program is called for each device returned by list_command. If provided, the _program will be executed when a rhasspy/audioServer/getDevices message is received and the test field is true. The program should return a listing of available audio output devices in the same format as arecord -L. If provided, the _program will be executed when a rhasspy/audioServer/getDevices message is received and the test field is false. The sample_rate (Hertz), sample_width (bytes), and channels parameters tell Rhasspy the format of the raw audio data. It should output raw PCM audio data on its standard out. The _program is executed when Rhasspy starts. "record_program": "/path/to/record/program", RAW audio data is expected from the program's standard out. Implemented by rhasspy-microphone-cli-hermes CommandĬalls an external program to record audio. It will go back to UDP stream when an asr/stopListening. This will cause the microphone service to stream over UDP until an asr/startListening message is received. #REMOTE AUDIO SPY FREE#For this case, set both _audio and wake.udp_audio to the same free port number on your satellite. When using Rhasspy in a base station/satellite setup, it may be desirable to only send audio to the MQTT broker after the satellite as woken up. UDP Audio Streamingīy default, audio will streamed over MQTT in WAV chunks. To arecord) or leave blank for the default device.īy default, calls arecord -t raw -r 16000 -f S16_LE -c 1 and reads 2048 byte chunks of audio data at a time. Set to the name of the ALSA device to use ( -D flag Starts an arecord process locally and reads audio data from its standard out. Implemented by rhasspy-microphone-pyaudio-hermes ALSA Streams 2048 byte chunks of 16-bit, 16 kHz mono audio by default. Set to a PyAudio device number or leave blank for the default device. This is the default audio input system, and should work with both ALSA and PulseAudio. Streams microphone data from a PyAudio device. Set your audio input system to ALSA, which will pass through to PulseAudio. See this example for a way use Rhasspy with PulseAudio. To avoid unnecessary conversion overhead, the WAV audio should be 16-bit 16Khz mono. Rhasspy receives audio over MQTT using the Hermes protocol: specifically, audio chunks in the WAV format on the topic hermes/audioServer//audioFrame Most of the local audio testing has been done with a USB PlayStation Rhasspy can listen to audio input from a local microphone or a remote audio
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