JAVA - How to play audio sound represented as float[] or double[]

I read an audio file in bytes, then i do FFT (as low-pass-filter) on the audio byte[], so the out开发者_Go百科put of the FFT is a double[] (of Real and Imaginary). Now i wanna play the result to hear the sound. I use SourceDataLine if i will play a byte[].

So the problem, is how can i play the double[] ??

Thanks,

Samer Samy

I think the best approach would be to convert it back to byte[].

You could do this using a ByteArrayOutputStream and a DataOutputStream.

The ByteArrayOutputStream one allow retreive the content of the stream as a byte array and the DataOutputStream allow you to write double to the stream.

To expand on @Lynch's answer, which apparently wasn't clear enough for the OP:

byteStream = new ByteArrayOutputStream();
dataStream = new DataOutputStream( byteStream );

// write each element of your double[] to dataStream

dataStream.close();
byteStream.close();

byte[] audioBytes = byteStream.toByteArray();