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<?php

/**

* Copyright 2016 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.

*/

# [START speech_quickstart]

# Includes the autoloader for libraries installed with composer

require __DIR__ . '/vendor/autoload.php';

# Imports the Google Cloud client library

use Google\Cloud\Speech\SpeechClient;

# Your Google Cloud Platform project ID

$projectId = 'YOUR_PROJECT_ID';

# Instantiates a client

$speech = new SpeechClient([

'projectId' => $projectId,

'languageCode' => 'en-US',

]);

# The name of the audio file to transcribe

$fileName = __DIR__ . '/resources/audio.raw';

# The audio file's encoding and sample rate

$options = [

'encoding' => 'LINEAR16',

'sampleRateHertz' => 16000,

];

# Detects speech in the audio file

$results = $speech->recognize(fopen($fileName, 'r'), $options);

foreach ($results[0]->alternatives() as $alternative) {

echo 'Transcription: ' . $alternative['transcript'] . PHP_EOL;

}

# [END speech_quickstart]

return $results;