I am trying quite the same thing, using the same parameters described by Chris K. (except for "interim results = true")
FileInputStream audio = new FileInputStream("/home/leoks/BM/ws/mp32wav/out.wav");
RecognizeOptions options = new RecognizeOptions();
options = options.continuous(true)
.contentType(HttpMediaType.AUDIO_WAV)
.interimResults(true)
.inactivityTimeout(10)
.maxAlternatives(1)
.wordConfidence(false)
.timestamps(true)
.model("en-US_BroadbandModel");
api.stt.recognizeUsingWebSockets(audio, options, new BaseRecognizeDelegate() {
@Override
public void onMessage(SpeechResults speechResults) {
System.out.println(speechResults);
try{
if (speechResults != null && speechResults.isFinal()){
lock.countDown();
}
}catch(java.lang.IndexOutOfBoundsException ignored){
}
}
});
lock.await(5, TimeUnit.SECONDS);
However, it still throws an exception
java.lang.NullPointerException
at java.io.StringReader.<init>(StringReader.java:50)
at com.google.gson.JsonParser.parse(JsonParser.java:45)
at com.ibm.watson.developer_cloud.speech_to_text.v1.websocket.WebSocketSpeechToTextClient$WebSocketListener.onTextMessage(WebSocketSpeechToTextClient.java:66)
at com.neovisionaries.ws.client.ListenerManager.callOnTextMessage(ListenerManager.java:352)
at com.neovisionaries.ws.client.ReadingThread.callOnTextMessage(ReadingThread.java:233)
at com.neovisionaries.ws.client.ReadingThread.callOnTextMessage(ReadingThread.java:211)
at com.neovisionaries.ws.client.ReadingThread.handleTextFrame(ReadingThread.java:910)
at com.neovisionaries.ws.client.ReadingThread.handleFrame(ReadingThread.java:693)
at com.neovisionaries.ws.client.ReadingThread.main(ReadingThread.java:102)
at com.neovisionaries.ws.client.ReadingThread.run(ReadingThread.java:61)
java.lang.NullPointerException
at java.io.StringReader.<init>(StringReader.java:50)
at com.google.gson.JsonParser.parse(JsonParser.java:45)
at com.ibm.watson.developer_cloud.speech_to_text.v1.websocket.WebSocketSpeechToTextClient$WebSocketListener.onTextMessage(WebSocketSpeechToTextClient.java:66)
at com.neovisionaries.ws.client.ListenerManager.callOnTextMessage(ListenerManager.java:352)
at com.neovisionaries.ws.client.ReadingThread.callOnTextMessage(ReadingThread.java:233)
at com.neovisionaries.ws.client.ReadingThread.callOnTextMessage(ReadingThread.java:211)
at com.neovisionaries.ws.client.ReadingThread.handleTextFrame(ReadingThread.java:910)
at com.neovisionaries.ws.client.ReadingThread.handleFrame(ReadingThread.java:693)
at com.neovisionaries.ws.client.ReadingThread.main(ReadingThread.java:102)
at com.neovisionaries.ws.client.ReadingThread.run(ReadingThread.java:61)
java.lang.NullPointerException
at java.io.StringReader.<init>(StringReader.java:50)
at com.google.gson.JsonParser.parse(JsonParser.java:45)
at com.ibm.watson.developer_cloud.speech_to_text.v1.websocket.WebSocketSpeechToTextClient$WebSocketListener.onTextMessage(WebSocketSpeechToTextClient.java:66)
at com.neovisionaries.ws.client.ListenerManager.callOnTextMessage(ListenerManager.java:352)
at com.neovisionaries.ws.client.ReadingThread.callOnTextMessage(ReadingThread.java:233)
at com.neovisionaries.ws.client.ReadingThread.callOnTextMessage(ReadingThread.java:211)
at com.neovisionaries.ws.client.ReadingThread.handleTextFrame(ReadingThread.java:910)
at com.neovisionaries.ws.client.ReadingThread.handleFrame(ReadingThread.java:693)
at com.neovisionaries.ws.client.ReadingThread.main(ReadingThread.java:102)
at com.neovisionaries.ws.client.ReadingThread.run(ReadingThread.java:61)
which seems to be related to this issue
https://github.com/watson-developer-cloud/java-sdk/issues/205
that is set to be reached in milestone 2.9.0 (current is 2.8.0)