Android合并音頻檔案

/** * 需求:將兩個amr格式音頻檔案合并為1個 * 注意:amr格式的標頭檔為6個位元組的長度 * @param partsPaths       各部分路徑 * @param unitedFilePath   合并後路徑 */public void uniteAMRFile(String[] partsPaths, String unitedFilePath) {try {File unitedFile = new File(unitedFilePath);FileOutputStream fos = new FileOutputStream(unitedFile);RandomAccessFile ra = null;for (int i = 0; i < partsPaths.length; i++) {ra = new RandomAccessFile(partsPaths[i], "r");if (i != 0) {ra.seek(6);}byte[] buffer = new byte[1024 * 8];int len = 0;while ((len = ra.read(buffer)) != -1) {fos.write(buffer, 0, len);}}ra.close();fos.close();} catch (Exception e) {}}