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Example 6 with RecognitionConfig

use of com.google.cloud.speech.v1p1beta1.RecognitionConfig in project java-docs-samples by GoogleCloudPlatform.

the class QuickstartSample method main.

/**
 * Demonstrates using the Speech API to transcribe an audio file.
 */
public static void main(String... args) throws Exception {
    // Instantiates a client
    try (SpeechClient speechClient = SpeechClient.create()) {
        // The path to the audio file to transcribe
        String fileName = "./resources/audio.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 = speechClient.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 : Path(java.nio.file.Path) SpeechRecognitionAlternative(com.google.cloud.speech.v1p1beta1.SpeechRecognitionAlternative) RecognitionAudio(com.google.cloud.speech.v1p1beta1.RecognitionAudio) ByteString(com.google.protobuf.ByteString) RecognitionConfig(com.google.cloud.speech.v1p1beta1.RecognitionConfig) SpeechClient(com.google.cloud.speech.v1p1beta1.SpeechClient) RecognizeResponse(com.google.cloud.speech.v1p1beta1.RecognizeResponse) ByteString(com.google.protobuf.ByteString) SpeechRecognitionResult(com.google.cloud.speech.v1p1beta1.SpeechRecognitionResult)

Example 7 with RecognitionConfig

use of com.google.cloud.speech.v1p1beta1.RecognitionConfig in project java-docs-samples by GoogleCloudPlatform.

the class Recognize method asyncRecognizeGcs.

/**
 * Performs non-blocking speech recognition on remote FLAC file and prints
 * the transcription.
 *
 * @param gcsUri the path to the remote LINEAR16 audio file to transcribe.
 */
public static void asyncRecognizeGcs(String gcsUri) throws Exception {
    // Instantiates a client with GOOGLE_APPLICATION_CREDENTIALS
    try (SpeechClient speech = SpeechClient.create()) {
        // Configure remote file request for Linear16
        RecognitionConfig config = RecognitionConfig.newBuilder().setEncoding(AudioEncoding.FLAC).setLanguageCode("en-US").setSampleRateHertz(16000).build();
        RecognitionAudio audio = RecognitionAudio.newBuilder().setUri(gcsUri).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 : LongRunningRecognizeResponse(com.google.cloud.speech.v1p1beta1.LongRunningRecognizeResponse) 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) SpeechRecognitionResult(com.google.cloud.speech.v1p1beta1.SpeechRecognitionResult) LongRunningRecognizeMetadata(com.google.cloud.speech.v1p1beta1.LongRunningRecognizeMetadata)

Example 8 with RecognitionConfig

use of com.google.cloud.speech.v1p1beta1.RecognitionConfig in project java-docs-samples by GoogleCloudPlatform.

the class Recognize method transcribeModelSelectionGcs.

// [START speech_transcribe_model_selection_gcs]
/**
 * Performs transcription of the remote audio file asynchronously with
 * the selected model.
 * @param gcsUri the path to the remote audio file to transcribe.
 */
public static void transcribeModelSelectionGcs(String gcsUri) throws Exception {
    try (SpeechClient speech = SpeechClient.create()) {
        // Configure request with video media type
        RecognitionConfig config = RecognitionConfig.newBuilder().setEncoding(AudioEncoding.LINEAR16).setLanguageCode("en-US").setSampleRateHertz(16000).setModel("video").build();
        RecognitionAudio audio = RecognitionAudio.newBuilder().setUri(gcsUri).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();
        // Just print the first result here.
        SpeechRecognitionResult result = results.get(0);
        // 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("Transcript : %s\n", alternative.getTranscript());
    }
// [END speech_transcribe_model_selection_gcs]
}
Also used : LongRunningRecognizeResponse(com.google.cloud.speech.v1p1beta1.LongRunningRecognizeResponse) 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) SpeechRecognitionResult(com.google.cloud.speech.v1p1beta1.SpeechRecognitionResult) LongRunningRecognizeMetadata(com.google.cloud.speech.v1p1beta1.LongRunningRecognizeMetadata)

Example 9 with RecognitionConfig

use of com.google.cloud.speech.v1p1beta1.RecognitionConfig in project java-docs-samples by GoogleCloudPlatform.

the class Recognize method asyncRecognizeWords.

/**
 * Performs non-blocking speech recognition on remote FLAC file and prints
 * the transcription as well as word time offsets.
 *
 * @param gcsUri the path to the remote LINEAR16 audio file to transcribe.
 */
public static void asyncRecognizeWords(String gcsUri) throws Exception {
    // Instantiates a client with GOOGLE_APPLICATION_CREDENTIALS
    try (SpeechClient speech = SpeechClient.create()) {
        // Configure remote file request for Linear16
        RecognitionConfig config = RecognitionConfig.newBuilder().setEncoding(AudioEncoding.FLAC).setLanguageCode("en-US").setSampleRateHertz(16000).setEnableWordTimeOffsets(true).build();
        RecognitionAudio audio = RecognitionAudio.newBuilder().setUri(gcsUri).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());
            for (WordInfo wordInfo : alternative.getWordsList()) {
                System.out.println(wordInfo.getWord());
                System.out.printf("\t%s.%s sec - %s.%s sec\n", wordInfo.getStartTime().getSeconds(), wordInfo.getStartTime().getNanos() / 100000000, wordInfo.getEndTime().getSeconds(), wordInfo.getEndTime().getNanos() / 100000000);
            }
        }
    }
}
Also used : LongRunningRecognizeResponse(com.google.cloud.speech.v1p1beta1.LongRunningRecognizeResponse) 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) SpeechRecognitionResult(com.google.cloud.speech.v1p1beta1.SpeechRecognitionResult) LongRunningRecognizeMetadata(com.google.cloud.speech.v1p1beta1.LongRunningRecognizeMetadata) WordInfo(com.google.cloud.speech.v1p1beta1.WordInfo)

Example 10 with RecognitionConfig

use of com.google.cloud.speech.v1p1beta1.RecognitionConfig in project java-docs-samples by GoogleCloudPlatform.

the class Recognize method syncRecognizeFile.

/**
 * Performs speech recognition on raw PCM audio and prints the transcription.
 *
 * @param fileName the path to a PCM audio file to transcribe.
 */
public static void syncRecognizeFile(String fileName) throws Exception {
    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 blocking call to get 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 : Path(java.nio.file.Path) 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) 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)

Aggregations

RecognitionConfig (com.google.cloud.speech.v1p1beta1.RecognitionConfig)10 SpeechClient (com.google.cloud.speech.v1p1beta1.SpeechClient)10 SpeechRecognitionAlternative (com.google.cloud.speech.v1p1beta1.SpeechRecognitionAlternative)10 RecognitionAudio (com.google.cloud.speech.v1p1beta1.RecognitionAudio)9 SpeechRecognitionResult (com.google.cloud.speech.v1p1beta1.SpeechRecognitionResult)9 StreamingRecognitionConfig (com.google.cloud.speech.v1p1beta1.StreamingRecognitionConfig)9 LongRunningRecognizeResponse (com.google.cloud.speech.v1p1beta1.LongRunningRecognizeResponse)8 Test (org.junit.Test)8 Path (java.nio.file.Path)7 RecognitionAudio (com.google.cloud.speech.v1.RecognitionAudio)5 RecognitionConfig (com.google.cloud.speech.v1.RecognitionConfig)5 RecognizeResponse (com.google.cloud.speech.v1p1beta1.RecognizeResponse)5 StreamingRecognizeResponse (com.google.cloud.speech.v1p1beta1.StreamingRecognizeResponse)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