FilesExpand file tree

 master

/

streaming_recognize.php

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

93 lines (82 loc) · 2.95 KB

 master

/

streaming_recognize.php

Copy path

Top

File metadata and controls

• Code
• Blame

93 lines (82 loc) · 2.95 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

<?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.

*/

/**

* For instructions on how to run the full sample:

*

* @see https://github.com/GoogleCloudPlatform/php-docs-samples/tree/master/speech/README.md

*/

namespace Google\Cloud\Samples\Speech;

# [START speech_transcribe_streaming]

use Google\Cloud\Speech\V1\SpeechClient;

use Google\Cloud\Speech\V1\RecognitionConfig;

use Google\Cloud\Speech\V1\StreamingRecognitionConfig;

use Google\Cloud\Speech\V1\StreamingRecognizeRequest;

use Google\Cloud\Speech\V1\RecognitionConfig\AudioEncoding;

/**

* Transcribe an audio file using Google Cloud Speech API

* Example:

* ```

* $audoEncoding = Google\Cloud\Speech\V1\RecognitionConfig\AudioEncoding::WAV

* streaming_recognize('/path/to/audiofile.wav', 'en-US');

* ```.

*

* @param string $audioFile path to an audio file.

* @param string $languageCode The language of the content to

* be recognized. Accepts BCP-47 (e.g., `"en-US"`, `"es-ES"`).

* @param string $encoding

* @param string $sampleRateHertz

*

* @return string the text transcription

*/

function streaming_recognize($audioFile)

{

// change these variables

$encoding = AudioEncoding::LINEAR16;

$sampleRateHertz = 32000;

$languageCode = 'en-US';

if (!extension_loaded('grpc')) {

throw new \Exception('Install the grpc extension ' .

'(pecl install grpc)');

}

$speechClient = new SpeechClient();

try {

$config = (new RecognitionConfig())

->setEncoding($encoding)

->setSampleRateHertz($sampleRateHertz)

->setLanguageCode($languageCode);

$strmConfig = new StreamingRecognitionConfig();

$strmConfig->setConfig($config);

$strmReq = new StreamingRecognizeRequest();

$strmReq->setStreamingConfig($strmConfig);

$strm = $speechClient->streamingRecognize();

$strm->write($strmReq);

$strmReq = new StreamingRecognizeRequest();

$content = file_get_contents($audioFile);

$strmReq->setAudioContent($content);

$strm->write($strmReq);

foreach ($strm->closeWriteAndReadAll() as $response) {

foreach ($response->getResults() as $result) {

foreach ($result->getAlternatives() as $alt) {

printf("Transcription: %s\n", $alt->getTranscript());

}

}

}

} finally {

$speechClient->close();

}

}

# [END speech_transcribe_streaming]