Added Audio Profile sample

texttospeech/cloud-client/README.rst.in

@@ -22,5 +22,8 @@ samples:
 - name: Synthesize file
   file: synthesize_file.py
   show_help: True
+- name: Audio profile
+  file: audio_profile.py
+  show_help: True
 
 cloud_client_library: true

texttospeech/cloud-client/audio_profile.py

@@ -0,0 +1,69 @@
+#!/usr/bin/env python
+
+# Copyright 2018 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 Text-To-Speech API sample application for audio profile.
+
+Example usage:
+    python audio_profile.py --text "hello" --effects_profile_id
+        "telephony-class-application"
+"""
+
+import argparse
+
+from google.cloud import texttospeech_v1beta1 as texttospeech
+
+
+# [START tts_synthesize_text]
+def synthesize_text(text, output, effects_profile_id):
+    """Synthesizes speech from the input string of text."""
+    client = texttospeech.TextToSpeechClient()
+
+    input_text = texttospeech.types.SynthesisInput(text=text)
+
+    # Note: the voice can also be specified by name.
+    # Names of voices can be retrieved with client.list_voices().
+    voice = texttospeech.types.VoiceSelectionParams(language_code='en-US')
+
+    # Note: you can pass in multiple effects_profile_id. They will be applied
+    # in the same order they are provided.
+    audio_config = texttospeech.types.AudioConfig(
+        audio_encoding=texttospeech.enums.AudioEncoding.MP3,
+        effects_profile_id=[effects_profile_id])
+
+    response = client.synthesize_speech(input_text, voice, audio_config)
+
+    # The response's audio_content is binary.
+    with open(output, 'wb') as out:
+        out.write(response.audio_content)
+        print('Audio content written to file "%s"' % output)
+
+# [END tts_synthesize_text]
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(
+                    description=__doc__,
+                    formatter_class=argparse.RawDescriptionHelpFormatter)
+    parser.add_argument('--text',
+                        help='The text from which to synthesize speech.')
+    parser.add_argument('--output',
+                        help='The output mp3 file.')
+    parser.add_argument('--effects_profile_id',
+                        help='The audio effects profile id to be applied.')
+
+    args = parser.parse_args()
+
+    synthesize_text(args.text, args.output, args.effects_profile_id)

texttospeech/cloud-client/audio_profile_test.py

@@ -0,0 +1,32 @@
+# Copyright 2018, 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
+import os.path
+
+import audio_profile
+
+TEXT = 'hello'
+OUTOUT = 'output.mp3'
+EFFECTS_PROFILE_ID = 'telephony-class-application'
+
+
+def test_audio_profile(capsys):
+    if os.path.exists(OUTOUT):
+        os.remove(OUTOUT)
+    assert not os.path.exists(OUTOUT)
+    audio_profile.synthesize_text(TEXT, OUTOUT, EFFECTS_PROFILE_ID)
+    out, err = capsys.readouterr()
+
+    assert ('Audio content written to file "%s"' % OUTOUT) in out
+    assert os.path.exists(OUTOUT)