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Example 16 with RecognitionAudio

use of com.google.cloud.speech.v1beta1.RecognitionAudio in project java-docs-samples by GoogleCloudPlatform.

the class Recognize method asyncRecognizeFile.

/**
 * Performs non-blocking speech recognition on raw PCM audio and prints
 * the transcription. Note that transcription is limited to 60 seconds audio.
 *
 * @param fileName the path to a PCM audio file to transcribe.
 */
public static void asyncRecognizeFile(String fileName) throws Exception {
    // Instantiates a client with GOOGLE_APPLICATION_CREDENTIALS
    try (SpeechClient speech = SpeechClient.create()) {
        Path path = Paths.get(fileName);
        byte[] data = Files.readAllBytes(path);
        ByteString audioBytes = ByteString.copyFrom(data);
        // Configure request with local raw PCM audio
        RecognitionConfig config = RecognitionConfig.newBuilder().setEncoding(AudioEncoding.LINEAR16).setLanguageCode("en-US").setSampleRateHertz(16000).build();
        RecognitionAudio audio = RecognitionAudio.newBuilder().setContent(audioBytes).build();
        // Use non-blocking call for getting file transcription
        OperationFuture<LongRunningRecognizeResponse, LongRunningRecognizeMetadata> response = speech.longRunningRecognizeAsync(config, audio);
        while (!response.isDone()) {
            System.out.println("Waiting for response...");
            Thread.sleep(10000);
        }
        List<SpeechRecognitionResult> results = response.get().getResultsList();
        for (SpeechRecognitionResult result : results) {
            // There can be several alternative transcripts for a given chunk of speech. Just use the
            // first (most likely) one here.
            SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);
            System.out.printf("Transcription: %s%n", alternative.getTranscript());
        }
    }
}
Also used : Path(java.nio.file.Path) LongRunningRecognizeResponse(com.google.cloud.speech.v1p1beta1.LongRunningRecognizeResponse) SpeechRecognitionAlternative(com.google.cloud.speech.v1p1beta1.SpeechRecognitionAlternative) RecognitionAudio(com.google.cloud.speech.v1p1beta1.RecognitionAudio) ByteString(com.google.protobuf.ByteString) StreamingRecognitionConfig(com.google.cloud.speech.v1p1beta1.StreamingRecognitionConfig) RecognitionConfig(com.google.cloud.speech.v1p1beta1.RecognitionConfig) SpeechClient(com.google.cloud.speech.v1p1beta1.SpeechClient) SpeechRecognitionResult(com.google.cloud.speech.v1p1beta1.SpeechRecognitionResult) LongRunningRecognizeMetadata(com.google.cloud.speech.v1p1beta1.LongRunningRecognizeMetadata)

Example 17 with RecognitionAudio

use of com.google.cloud.speech.v1beta1.RecognitionAudio in project java-docs-samples by GoogleCloudPlatform.

the class Recognize method syncRecognizeGcs.

/**
 * Performs speech recognition on remote FLAC file and prints the transcription.
 *
 * @param gcsUri the path to the remote FLAC audio file to transcribe.
 */
public static void syncRecognizeGcs(String gcsUri) throws Exception {
    // Instantiates a client with GOOGLE_APPLICATION_CREDENTIALS
    try (SpeechClient speech = SpeechClient.create()) {
        // Builds the request for remote FLAC file
        RecognitionConfig config = RecognitionConfig.newBuilder().setEncoding(AudioEncoding.FLAC).setLanguageCode("en-US").setSampleRateHertz(16000).build();
        RecognitionAudio audio = RecognitionAudio.newBuilder().setUri(gcsUri).build();
        // Use blocking call for getting audio transcript
        RecognizeResponse response = speech.recognize(config, audio);
        List<SpeechRecognitionResult> results = response.getResultsList();
        for (SpeechRecognitionResult result : results) {
            // There can be several alternative transcripts for a given chunk of speech. Just use the
            // first (most likely) one here.
            SpeechRecognitionAlternative alternative = result.getAlternativesList().get(0);
            System.out.printf("Transcription: %s%n", alternative.getTranscript());
        }
    }
}
Also used : SpeechRecognitionAlternative(com.google.cloud.speech.v1p1beta1.SpeechRecognitionAlternative) RecognitionAudio(com.google.cloud.speech.v1p1beta1.RecognitionAudio) StreamingRecognitionConfig(com.google.cloud.speech.v1p1beta1.StreamingRecognitionConfig) RecognitionConfig(com.google.cloud.speech.v1p1beta1.RecognitionConfig) SpeechClient(com.google.cloud.speech.v1p1beta1.SpeechClient) RecognizeResponse(com.google.cloud.speech.v1p1beta1.RecognizeResponse) StreamingRecognizeResponse(com.google.cloud.speech.v1p1beta1.StreamingRecognizeResponse) LongRunningRecognizeResponse(com.google.cloud.speech.v1p1beta1.LongRunningRecognizeResponse) SpeechRecognitionResult(com.google.cloud.speech.v1p1beta1.SpeechRecognitionResult)

Example 18 with RecognitionAudio

use of com.google.cloud.speech.v1beta1.RecognitionAudio in project google-cloud-java by GoogleCloudPlatform.

the class RecognizeSpeech method main.

public static void main(String... args) throws Exception {
    // Instantiates a client
    SpeechClient speech = SpeechClient.create();
    // The path to the audio file to transcribe
    // for example "./resources/audio.raw";
    String fileName = "your/speech/audio/file.raw";
    // Reads the audio file into memory
    Path path = Paths.get(fileName);
    byte[] data = Files.readAllBytes(path);
    ByteString audioBytes = ByteString.copyFrom(data);
    // Builds the sync recognize request
    RecognitionConfig config = RecognitionConfig.newBuilder().setEncoding(AudioEncoding.LINEAR16).setSampleRateHertz(16000).setLanguageCode("en-US").build();
    RecognitionAudio audio = RecognitionAudio.newBuilder().setContent(audioBytes).build();
    // Performs speech recognition on the audio file
    RecognizeResponse response = speech.recognize(config, audio);
    List<SpeechRecognitionResult> results = response.getResultsList();
    for (SpeechRecognitionResult result : results) {
        List<SpeechRecognitionAlternative> alternatives = result.getAlternativesList();
        for (SpeechRecognitionAlternative alternative : alternatives) {
            System.out.printf("Transcription: %s%n", alternative.getTranscript());
        }
    }
    speech.close();
}
Also used : Path(java.nio.file.Path) SpeechRecognitionAlternative(com.google.cloud.speech.v1.SpeechRecognitionAlternative) RecognitionAudio(com.google.cloud.speech.v1.RecognitionAudio) ByteString(com.google.protobuf.ByteString) RecognitionConfig(com.google.cloud.speech.v1.RecognitionConfig) SpeechClient(com.google.cloud.speech.v1.SpeechClient) RecognizeResponse(com.google.cloud.speech.v1.RecognizeResponse) ByteString(com.google.protobuf.ByteString) SpeechRecognitionResult(com.google.cloud.speech.v1.SpeechRecognitionResult)

Aggregations

RecognitionAudio (com.google.cloud.speech.v1p1beta1.RecognitionAudio)9 RecognitionConfig (com.google.cloud.speech.v1p1beta1.RecognitionConfig)9 SpeechClient (com.google.cloud.speech.v1p1beta1.SpeechClient)9 SpeechRecognitionAlternative (com.google.cloud.speech.v1p1beta1.SpeechRecognitionAlternative)9 SpeechRecognitionResult (com.google.cloud.speech.v1p1beta1.SpeechRecognitionResult)9 LongRunningRecognizeResponse (com.google.cloud.speech.v1p1beta1.LongRunningRecognizeResponse)8 StreamingRecognitionConfig (com.google.cloud.speech.v1p1beta1.StreamingRecognitionConfig)8 Test (org.junit.Test)8 Path (java.nio.file.Path)6 RecognitionAudio (com.google.cloud.speech.v1.RecognitionAudio)5 RecognitionConfig (com.google.cloud.speech.v1.RecognitionConfig)5 RecognizeResponse (com.google.cloud.speech.v1p1beta1.RecognizeResponse)5 ByteString (com.google.protobuf.ByteString)5 ApiException (com.google.api.gax.grpc.ApiException)4 AudioEncoding (com.google.cloud.speech.v1.RecognitionConfig.AudioEncoding)4 RecognitionAudio (com.google.cloud.speech.v1beta1.RecognitionAudio)4 RecognitionConfig (com.google.cloud.speech.v1beta1.RecognitionConfig)4 AudioEncoding (com.google.cloud.speech.v1beta1.RecognitionConfig.AudioEncoding)4 LongRunningRecognizeMetadata (com.google.cloud.speech.v1p1beta1.LongRunningRecognizeMetadata)4 StreamingRecognizeResponse (com.google.cloud.speech.v1p1beta1.StreamingRecognizeResponse)4