use of com.google.cloud.speech.v1p1beta1.SpeechRecognitionResult 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());
}
}
}
use of com.google.cloud.speech.v1p1beta1.SpeechRecognitionResult 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());
}
}
}
use of com.google.cloud.speech.v1p1beta1.SpeechRecognitionResult 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]
}
use of com.google.cloud.speech.v1p1beta1.SpeechRecognitionResult 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);
}
}
}
}
use of com.google.cloud.speech.v1p1beta1.SpeechRecognitionResult 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());
}
}
}
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