Audiorecord Startrecording Error
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Audiorecord Startrecording Exception
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Error Code -20 When Initializing Native Audiorecord Object.
posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of error creating audiorecord instance: initialization check failed. 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Android: startRecording() called on an uninitialized AudioRecord when SAMPLERATE set to 44100 up vote 0 down vote favorite I get an error, when I set the sampling rate to 44100 for the AudioRecord object. When it's error creating audiorecord instance: initialization check failed with status -1. 22050 it works fine. 02-16 10:45:45.099 24021-24021/com.vlad.jackcomms E/AudioRecord﹕ frameCount 1024 < minFrameCount 1792 02-16 10:45:45.099 24021-24021/com.vlad.jackcomms E/AudioRecord-JNI﹕ Error creating AudioRecord instance: initialization check failed. 02-16 10:45:45.099 24021-24021/com.vlad.jackcomms E/android.media.AudioRecord﹕ Error code -20 when initializing native AudioRecord object. 02-16 10:45:45.109 24021-24021/com.vlad.jackcomms E/AndroidRuntime﹕ FATAL EXCEPTION: main Process: com.vlad.jackcomms, PID: 24021 java.lang.IllegalStateException: startRecording() called on an uninitialized AudioRecord. Here's the relevant code: private static final int RECORDER_SAMPLERATE = 22050*2; private static final int RECORDER_CHANNELS = AudioFormat.CHANNEL_IN_MONO; private static final int RECORDER_AUDIO_ENCODING = AudioFormat.ENCODING_PCM_16BIT; recorder = new AudioRecord(MediaRecorder.AudioSource.MIC, RECORDER_SAMPLERATE, RECORDER_CHANNELS, RECORDER_AUDIO_ENCODING, BufferElements2Rec * BytesPerElement); recorder.startRecording(); java android sampling audiorecord share|improve this question asked Feb 16 '15 at 10:50 user3333414 1514 add a comment| 1 Answer 1 active oldest votes up vote 5 down vote accepted You could check if 44100 is supported by your device. Android does not provide an explicit method to check it but there is a work-around with AudioRecord class' getMinBufferSize function. public void getValidSampleRates() { for (int rate : new int[
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Android Audiorecord Not Initialized
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Audiorecord-jni: Error Creating Audiorecord Instance: Initialization Check Failed.
us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, http://stackoverflow.com/questions/28539717/android-startrecording-called-on-an-uninitialized-audiorecord-when-samplerate just like you, helping each other. Join them; it only takes a minute: Sign up Android AudioRecord failing when calling the startRecording() method up vote 0 down vote favorite I'm trying to record audio in android and store it in an array of bytes, and for that I use Android's AudioRecord built-in class. I've already used http://stackoverflow.com/questions/34860767/android-audiorecord-failing-when-calling-the-startrecording-method this class before, and all was good, but for some reason, it seems the AudioRecord won't work anymore. The problem is that the AudioRecord gets initialized and shows no errors, but when it's time to actually record something, by calling its' startRecording() method, something is failing and I don't even get a proper reason why. This is ALL the output from Logcat after calling this method: 01-18 18:54:49.545 11303-11338/com.mypackage E/android.media.AudioRecord﹕ MediaRecorder prepare CallingPid = 11303 Callinguid= 10128 01-18 18:54:49.545 11303-11338/com.mypackage E/android.media.AudioRecord﹕ java.lang.Throwable at android.media.AudioRecord.startRecording(AudioRecord.java:631) at mypackage.AudioRecorder.record(AudioRecorder.java:179) Of course no audio gets recorded after that, for those wondering if it's just an internal error message. This is the code for initializing the AudioRecord class: int bufferSize = AudioRecord.getMinBufferSize(AUDIO_SAMPLE_RATE, RECORDER_CHANNEL, RECORDER_AUDIO_ENCODING); if (bufferSize != AudioRecord.ERROR_BAD_VALUE && bufferSize > 0) { // check if we can instantiate and have a success AudioRecord recorder = new AudioRecord(MediaRecorder.AudioSource.MIC, AUDIO_SAMPLE_RATE, RECORDER_CHANNEL, RECORDER_AUDIO_ENCODING, bufferSize); if (recorder.getState() == AudioRecord.STATE_INITIALIZED) { m_Recorder = recorder; m_RecordingThread = Executors.newSingleThreadExecutor(); m_IsInitialized = true; return; } } When th
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