diff --git a/speech/snippets/transcribe_enhanced_model.py b/speech/snippets/transcribe_enhanced_model.py index 514d54812d03..1b233c52696c 100644 --- a/speech/snippets/transcribe_enhanced_model.py +++ b/speech/snippets/transcribe_enhanced_model.py @@ -22,16 +22,15 @@ """ import argparse -import io def transcribe_file_with_enhanced_model(path): """Transcribe the given audio file using an enhanced model.""" # [START speech_transcribe_enhanced_model] - import io - + import io + from google.cloud import speech - + client = speech.SpeechClient() # path = 'resources/commercial_mono.wav' diff --git a/speech/snippets/transcribe_multichannel.py b/speech/snippets/transcribe_multichannel.py new file mode 100644 index 000000000000..e84da59ad7b3 --- /dev/null +++ b/speech/snippets/transcribe_multichannel.py @@ -0,0 +1,95 @@ +#!/usr/bin/env python + +# Copyright 2019 Google Inc. All Rights Reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Google Cloud Speech API sample that demonstrates multichannel recognition. + +Example usage: + python transcribe_multichannel.py resources/multi.wav + python transcribe_multichannel.py \ + gs://cloud-samples-tests/speech/multi.wav +""" + +import argparse + + +def transcribe_file_with_multichannel(speech_file): + """Transcribe the given audio file synchronously with + multi channel.""" + # [START speech_transcribe_multichannel] + from google.cloud import speech + client = speech.SpeechClient() + + with open(speech_file, 'rb') as audio_file: + content = audio_file.read() + + audio = speech.types.RecognitionAudio(content=content) + + config = speech.types.RecognitionConfig( + encoding=speech.enums.RecognitionConfig.AudioEncoding.LINEAR16, + sample_rate_hertz=44100, + language_code='en-US', + audio_channel_count=2, + enable_separate_recognition_per_channel=True) + + response = client.recognize(config, audio) + + for i, result in enumerate(response.results): + alternative = result.alternatives[0] + print('-' * 20) + print('First alternative of result {}'.format(i)) + print(u'Transcript: {}'.format(alternative.transcript)) + print(u'Channel Tag: {}'.format(result.channel_tag)) + # [END speech_transcribe_multichannel] + + +def transcribe_gcs_with_multichannel(gcs_uri): + """Transcribe the given audio file on GCS with + multi channel.""" + # [START speech_transcribe_multichannel_gcs] + from google.cloud import speech + client = speech.SpeechClient() + + audio = speech.types.RecognitionAudio(uri=gcs_uri) + + config = speech.types.RecognitionConfig( + encoding=speech.enums.RecognitionConfig.AudioEncoding.LINEAR16, + sample_rate_hertz=44100, + language_code='en-US', + audio_channel_count=2, + enable_separate_recognition_per_channel=True) + + response = client.recognize(config, audio) + + for i, result in enumerate(response.results): + alternative = result.alternatives[0] + print('-' * 20) + print('First alternative of result {}'.format(i)) + print(u'Transcript: {}'.format(alternative.transcript)) + print(u'Channel Tag: {}'.format(result.channel_tag)) + # [END speech_transcribe_multichannel_gcs] + + +if __name__ == '__main__': + parser = argparse.ArgumentParser( + description=__doc__, + formatter_class=argparse.RawDescriptionHelpFormatter) + parser.add_argument( + 'path', help='File or GCS path for audio file to be recognized') + args = parser.parse_args() + if args.path.startswith('gs://'): + transcribe_gcs_with_multichannel(args.path) + else: + transcribe_file_with_multichannel(args.path) diff --git a/speech/snippets/transcribe_multichannel_test.py b/speech/snippets/transcribe_multichannel_test.py new file mode 100644 index 000000000000..de9558629994 --- /dev/null +++ b/speech/snippets/transcribe_multichannel_test.py @@ -0,0 +1,36 @@ +# Copyright 2019, Google, Inc. +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +import os + +from transcribe_multichannel import ( + transcribe_file_with_multichannel, + transcribe_gcs_with_multichannel) + +RESOURCES = os.path.join(os.path.dirname(__file__), 'resources') + + +def test_transcribe_multichannel_file(capsys): + transcribe_file_with_multichannel( + os.path.join(RESOURCES, 'multi.wav')) + out, err = capsys.readouterr() + + assert 'how are you doing' in out + + +def test_transcribe_multichannel_gcs(capsys): + transcribe_gcs_with_multichannel( + 'gs://cloud-samples-data/speech/multi.wav') + out, err = capsys.readouterr() + + assert 'how are you doing' in out