piper — A fast, local neural text to speech system. Try out and download speech models from <https://rhasspy

Output a WAV [f]ile using a text-to-speech [m]odel (assuming a configuration file at model_path + .json)

echo {{Thing to say}} | piper -m {{path/to/model.onnx}} -f {{outputfile.wav}}

Output a WAV [f]ile using a [m]odel and specifying its JSON [c]onfig file

echo {{Thing to say}} | piper -m {{path/to/model.onnx}} -c {{path/to/model.onnx.json}} -f {{outputfile.wav}}

Select a particular speaker in a voice with multiple speakers by specifying the speaker's ID number

echo {{Warum?}} | piper -m {{de_DE-thorsten_emotional-medium.onnx}} --speaker {{1}} -f {{angry.wav}}

Stream the output to the mpv media player

echo {{Hello world}} | piper -m {{en_GB-northern_english_male-medium.onnx}} --output-raw -f - | mpv -

Speak twice as fast, with huge gaps between sentences

echo {{Speaking twice the speed. With added drama!}} | piper -m {{file.onnx}} --length_scale {{0.5}} --sentence_silence {{2}} -f {{drama.wav}}