getAudioInputStream can not convert [stereo, 4 bytes/frame] stream to [mono, 2 bytes/frame]

Posted by brian_d on Stack Overflow See other posts from Stack Overflow or by brian_d
Published on 2010-05-14T21:49:28Z Indexed on 2010/05/14 21:54 UTC
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Filed under:

java

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javasound

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audio

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conversion

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audio-streaming

Hello. I am using javasound and have an AudioInputStream of format PCM_SIGNED 8000.0 Hz, 16 bit, stereo, 4 bytes/frame, little-endian

Using AudioSystem.getAudioInputStream(target_format, original_stream) produces an 'IllegalArgumentException: Unsupported Conversion' when the target_format is PCM_SIGNED 8000.0 Hz, 16 bit, mono, 2 bytes/frame, little-endian

Is it possible to convert this stream manually after every read() call? And if yes, how?
In general, how can you compare two formats and tell if a conversion is possible?

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