Java merges two audio segments into one segment and plays similar accompaniment simultaneously

/***** @ Param partsPaths audio path array to be merged * @ param unitedFilePath input merging result array */public void uniteWavFile (String [] partsPaths, String unitedFilePath) {byte byte1 [] = getByte (partsPaths [0]); byte byte2 [] = getByte (partsPaths [1]); byte [] out = new byte [byte1.length]; for (int I = 0; I <byte1.length; I ++) out [I] = (byte) (byte1 [I] + byte2 [I])> 1 ); try {FileOutputStream fos = new FileOutputStream (new File (unitedFilePath); fos. write (out); fos. close ();} catch (Exception e) {e. printStackTrace () ;}} private byte [] getByte (String path) {File f = new File (path); InputStream in; byte bytes [] = null; try {in = new FileInputStream (f); bytes = new byte [(int) f. length ()]; in. read (bytes); in. close ();} catch (Exception e) {e. printStackTrace ();} return bytes ;}