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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\V1\SpeechClient;
use Google\Cloud\Speech\V1\RecognitionAudio;
use Google\Cloud\Speech\V1\RecognitionConfig;
use Google\Cloud\Speech\V1\RecognitionConfig\AudioEncoding;
# The name of the audio file to transcribe
$audioFile = __DIR__ . '/test/data/audio32KHz.raw';
# get contents of a file into a string
$content = file_get_contents($audioFile);
# set string as audio content
$audio = (new RecognitionAudio())
->setContent($content);
# The audio file's encoding, sample rate and language
$config = new RecognitionConfig([
'encoding' => AudioEncoding::LINEAR16,
'sample_rate_hertz' => 32000,
'language_code' => 'en-US'
]);
# Instantiates a client
$client = new SpeechClient();
# Detects speech in the audio file
$response = $client->recognize($config, $audio);
# Print most likely transcription
foreach ($response->getResults() as $result) {
$alternatives = $result->getAlternatives();
$mostLikely = $alternatives[0];
$transcript = $mostLikely->getTranscript();
printf('Transcript: %s' . PHP_EOL, $transcript);
}
$client->close();
# [END speech_quickstart]