android studio google cloud speech api
> The audiofile is called "raw.wav" and is located under the resources directory > Under the path "/raw/raw.wav" > Credentials path is under "/raw/credentials.json" > ~~~~build.gradle: dependincies { //... implementation 'com.google.cloud:google-cloud-speech:1.27.1' implementation 'io.grpc:grpc-okhttp:1.37.0' implementation 'io.grpc:grpc-protobuf:1.37.0' implementation 'io.grpc:grpc-stub:1.37.0' compileOnly 'org.apache.tomcat:annotations-api:6.0.53' // necessary for Java 9+ } ~~~~Code: public class SpeechToText { final int AUDIO_FILE_ID = R.raw.raw; final int CREDENTIALS_FILE_ID = R.raw.credentials; SpeechToText(Activity activity) throws Exception { SpeechClient speech = null; try { InputStream credentialsStream = activity.getResources().openRawResource(CREDENTIALS_FILE_ID); GoogleCredentials credentials = GoogleCredentials.fromStream(credentialsStream); FixedCredentialsProvider credentialsProvider = FixedCredentialsProvider.create(credentials); SpeechSettings speechSettings = SpeechSettings.newBuilder() .setCredentialsProvider(credentialsProvider) .build(); speech = SpeechClient.create(speechSettings); InputStream is = activity.getResources().openRawResource(AUDIO_FILE_ID); byte[] bytes = new byte[is.available()]; if(is.read(bytes) == 0) { throw new Exception("Didn't Read bytes from resource"); } ByteString audioBytes = ByteString.copyFrom(bytes); // Builds the sync recognize request RecognitionConfig config = RecognitionConfig.newBuilder() .setEncoding(AudioEncoding.LINEAR16) .setSampleRateHertz(44100) .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) { Log.d("Transcription: ", alternative.getTranscript()); //answer } } speech.close(); } catch (IOException e) { e.printStackTrace(); } } }
