See: https://github.com/mozilla/DeepSpeech

RUN

virtualenv -p python3 $HOME/tmp/deepspeech-venv/ source $HOME/tmp/deepspeech-venv/bin/activate

INSTALL ONCE

Install DeepSpeech

pip3 install deepspeech

Download pre-trained English model and extract

curl -LO https://github.com/mozilla/DeepSpeech/releases/download/v0.5.1/deepspeech-0.5.1-models.tar.gz tar xvf deepspeech-0.5.1-models.tar.gz

Download example audio files

curl -LO https://github.com/mozilla/DeepSpeech/releases/download/v0.5.1/audio-0.5.1.tar.gz tar xvf audio-0.5.1.tar.gz

Transcribe an audio file

deepspeech --model deepspeech-0.5.1-models/output_graph.pbmm --lm deepspeech-0.5.1-models/lm.binary --trie deepspeech-0.5.1-models/trie --audio audio/2830-3980-0043.wav

TESTING

Upload audio

curl -F 'audio_file=@/home/jorgb/testdata/audio_file.wav' http://localhost:5000/upload id returned: 1ddfa1b5-d0d4-433c-ab3a-2abdf7ad9893

Execute deepspeech

curl http://localhost:5000/api/1ddfa1b5-d0d4-433c-ab3a-2abdf7ad9893/deepspeech Response: { "text": "b'and her look would them it as a pigment alma i did\n'" }