Android :: Audio Recorder - Initialization Check Failed
May 28, 2009
With version 1.5, I keep getting this error
05-29 01:36:39.440: ERROR/AudioRecord-JNI(1280): Error creating AudioRecord instance: initialization check failed.
05-29 01:36:39.450: ERROR/AudioRecord-Java(1280): [android.media.AudioRecord] Error code -20 when initializing native AudioRecord object.
and then:
05-29 01:36:39.630: ERROR/AndroidRuntime(1280): java.lang.IllegalStateException: startRecording() called on an uninitialized AudioRecord.
My code:
ar_test = new AudioRecord(MediaRecorder.AudioSource.MIC, 11025,
AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_8BIT, 200000);
ar_test.read(ar_buffer, 0, 150000); ar_test.startRecording();
toneTimer.setTimer(10000); toneTimer.countdownTimer(); ar_test.stop();
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Nov 6, 2010
We are a new company that is focused on Android development. We have completed and uploaded our Fusion Recorder application into the Android Market. We've worked hard to make sure that it is a reliable product and that it contains a solid set of features for version one (v.1). We are currently working on the designs for our our Website, facebook, and Twitter pages since posting our application. We look forward to adding features as we move forward.
We are interested in feedback from users and want to make sure our product(s) are as defect free as possible. So, if you do run into an issue, big or small, please shoot us an email at our support email.
Here are a some screen shots that show off the Fusion Recorder User Interface.
Also, if you don't see a feature you like please email that to us so we can add it to our Feature Request database. It may not be the next week we add it (we take testing seriously, which takes time). But we definitely will review such requests, which we understand are valuable.
Also, we were able to test this on a few Android Smartphones, but we are looking forward to seeing if there are any issues on phones we have not tested on. So, if you run into an issue please include, at the least, the Android Smartphone manufacturer, product name, Android OS version number (e.g. Android 2.2).
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Jun 4, 2010
I'm new in Android development and I have the next question/problem. I'm playing around with the Media Recorder class to record just audio from the microphone. I'm following the steps indicated in the official ://developer.android.com/reference/android/media/MediaRecorder.html
So I have a method that initializes and configure the Media Recorder object in order to start recording. Here you have the code:
//initializes audio recorder
//configure the input sources
mrecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
//set the output format
mrecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
//set the audio encoding
mrecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT)
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The audio being recorded is horrible. Will there ever be a fix for that because I'm considering taking my EVO back.
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Jun 9, 2010
I'm new in Android development and I have the next question/problem. I'm playing around with the Media Recorder class to record just audio from the microphone. I'm following the steps indicated in the official site:
http://developer.android.com/reference/android/media/MediaRecorder.html
So I have a method that initializes and configure the MediaRecorder object in order to start recording. Here you have the code:
this.mr = new MediaRecorder();
this.mr.setAudioSource(MediaRecorder.AudioSource.MIC);
this.mr.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
this.mr.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
this.mr.setOutputFile(this.path + this.fileName);
try { this.mr.prepare();
} catch (IllegalStateException e) { Log.d("Syso", e.toString());
e.printStackTrace();
} catch (IOException e) { Log.d("Syso", e.toString());
e.printStackTrace();
}
When I execute this code in the simulator, thanks to logcat, I can see that the method setAudioSource(MediaRecorder.AudioSource.MIC) gives the next error (with the tag audio_ipunt) when it is called:
ERROR/audio_input(34): unsupported parameter: x-pvmf/media-input-node/cap-config-interface;valtype=key_specific_value
ERROR/audio_input(34): VerifyAndSetParameter failed
And then when the method prepare() is called, I get the another error again:
ERROR/PVOMXEncNode(34): PVMFOMXEncNode-Audio_AMRNB::DoPrepare(): Got Component OMX.PV.amrencnb handle
If I start to record by calling the method start(). I get lots of messages saying:
AudioFlinger(34):RecordThread: buffer overflow
Then after stop and release, I can see that a file has been created, but it doesn't seem that it been well recorded. Anyway, if I try this in a real device I can record with no problems, but I CAN'T play what I just recorded. I guess that the key is in these errors that I've mentioned before.
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What would y'all recommend? I see tons of them on AppBrain, but it doesn't seem that any of them do both things, and the few that do have ridiculous time limits o the records like 2-4 minutes.
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