https://cloud.google.com/speech-to-text?hl=ja
pip3 install --user -r requirements.txt
python3 transcribe.py "gs://[BUCKET_NAME]/[FILE]" [CREDENTIALS_JSON]
or
python3 transcribe.py [FILE] [CREDENTIALS_JSON]
sox [STEREO_AUDIO] -c 1 [OUTPUT]
sudo apt-get install libsox-fmt-mp3
sox [MP3_AUDIO] -c 1 [OUTPUT]