export PROJECT_ID=$(gcloud config get-value project)
source venv/bin/activate
cat > synthesize-text.json <<EOF
{
'input':{
'text':'Cloud Text-to-Speech API allows developers to include
natural-sounding, synthetic human speech as playable audio in
their applications. The Text-to-Speech API converts text or
Speech Synthesis Markup Language (SSML) input into audio data
like MP3 or LINEAR16 (the encoding used in WAV files).'
},
'voice':{
'languageCode':'en-gb',
'name':'en-GB-Standard-A',
'ssmlGender':'FEMALE'
},
'audioConfig':{
'audioEncoding':'MP3'
}
}
EOF
curl -H "Authorization: Bearer "$(gcloud auth application-default print-access-token) \
-H "Content-Type: application/json; charset=utf-8" \
-d @synthesize-text.json "https://texttospeech.googleapis.com/v1/text:synthesize" \
> "$task_2_file_name"
cat > tts_decode.py <<EOF
import argparse
from base64 import decodebytes
import json
"""
Usage:
python tts_decode.py --input "synthesize-text.txt" \
--output "synthesize-text-audio.mp3"
"""
def decode_tts_output(input_file, output_file):
""" Decode output from Cloud Text-to-Speech.
input_file: the response from Cloud Text-to-Speech
output_file: the name of the audio file to create
"""
with open(input_file) as input:
response = json.load(input)
audio_data = response['audioContent']
with open(output_file, "wb") as new_file:
new_file.write(decodebytes(audio_data.encode('utf-8')))
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description="Decode output from Cloud Text-to-Speech",
formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument('--input',
help='The response from the Text-to-Speech API.',
required=True)
parser.add_argument('--output',
help='The name of the audio file to create',
required=True)
args = parser.parse_args()
decode_tts_output(args.input, args.output)
EOF
python tts_decode.py --input "$task_2_file_name" --output "synthesize-text-audio.mp3"
audio_uri="gs://cloud-samples-data/speech/corbeau_renard.flac"
cat > "$task_3_request_file" <<EOF
{
"config": {
"encoding": "FLAC",
"sampleRateHertz": 44100,
"languageCode": "fr-FR"
},
"audio": {
"uri": "$audio_uri"
}
}
EOF
curl -s -X POST -H "Content-Type: application/json" \
--data-binary @"$task_3_request_file" \
"https://speech.googleapis.com/v1/speech:recognize?key=${API_KEY}" \
-o "$task_3_response_file"
response=$(curl -s -X POST \
-H "Authorization: Bearer $(gcloud auth application-default print-access-token)" \
-H "Content-Type: application/json; charset=utf-8" \
-d "{\"q\": \"$task_4_sentence\"}" \
"https://translation.googleapis.com/language/translate/v2?key=${API_KEY}&source=ja&target=en")
echo "$response" > "$task_4_file"
curl -s -X POST \
-H "Authorization: Bearer $(gcloud auth application-default print-access-token)" \
-H "Content-Type: application/json; charset=utf-8" \
-d "{\"q\": [\"$task_5_sentence\"]}" \
"https://translation.googleapis.com/language/translate/v2/detect?key=${API_KEY}" \
-o "$task_5_file"