you can try this code:
private static final int AUDIO_SAMPLE_FREQ = 8000;
private static final int AUDIO_BUFFER_SIZE = 200000;
private AudioRecord recorder;
try
{
// init recorder
recorder = new AudioRecord(MediaRecorder.AudioSource.MIC,
AUDIO_SAMPLE_FREQ,
AudioFormat.CHANNEL_CONFIGURATION_MONO,
AudioFormat.ENCODING_PCM_16BIT,
AUDIO_BUFFER_SIZE);
}
catch (IllegalArgumentException e)
{
e.printStackTrace();
}
On Apr 24, 3:32 am, szabolcs <szabolcs.vr...@gmail.com> wrote:
> I was trying to record sound using the MIC with the AudioRecord class:
>
> mRecord = new AudioRecord(
> MediaRecorder.AudioSource.MIC,
> SAMPLE_RATE,
> AudioFormat.CHANNEL_CONFIGURATION_DEFAULT,
> AudioFormat.ENCODING_DEFAULT,
> BUFFERSIZE
> );
>
> This call results in:
>
> ERROR/AudioRecord(1120): Recording parameters are not supported:
> sampleRate 11025, channelCount 1, format 1
> ERROR/AudioRecord-JNI(1120): Error creating AudioRecord instance:
> initialization check failed.
> ERROR/AudioRecord-Java(1120): [ android.media.AudioRecord ] Error code
> -20 when initializing native AudioRecord object.
>
> whenever the SAMPLE_RATE is some value other than
> AudioRecord::DEFAULT_SAMPLE_RATE (8000) declared in ./frameworks/base/
> include/media/AudioRecord.h from GIT.
> The documentation says 11025/22050/44100 should be ok too.
>
> Am I missing something?
>
> Thank you for your help,
>
> -Szabolcs
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