双声道转为单声道.doc

/* * * XXX, , XXX * , * * */package aaa;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.util.Scanner;public class StereoToMono public static void transition1(String sourceFilePath,String newFilePath,int bytes)throws IOException/FileInputStream fileInputStream = new FileInputStream(sourceFilePath);FileOutputStream fileOutputStream = new FileOutputStream(newFilePath);for(int i=0;i44;i+)fileOutputStream.write(fileInputStream.read();int m=0,data = new intbytes;while(fileInputStream.available()!=0)datam=fileInputStream.read();fileOutputStream.write(datam);m+;if(m=(bytes/2+1)for(int j=0;j(bytes/2+1);j+)fileInputStream.read();fileOutputStream.write(dataj);m=0;fileOutputStream.flush();fileInputStream.close();fileOutputStream.close();public static void transition2(String sourceFilePath,String newFilePath,int bytes)throws IOException/FileInputStream fileInputStream = new FileInputStream(sourceFilePath);FileOutputStream fileOutputStream = new FileOutputStream(newFilePath);int k= (fileInputStream.available()-44)/2;int j=k+36;for(int i=0;i8)&255);break;case 6: fileOutputStream.write(j16)&255);break;case 7: fileOutputStream.write(j24);break;case 22:fileOutputStream.write(1);break;case 32:fileOutputStream.write(l/2);break;case 40:fileOutputStream.write(k&255);break;case 41:fileOutputStream.write(k8)&255);break;case 42:fileOutputStream.write(k16)&255);break;case 43:fileOutputStream.write(k24);break;default:fileOutputStream.write(l);break;int i=0,data=new intbytes;while(fileInputStream.available()!=0)datai=fileInputStream.read();fileOutputStream.write(datai);i+;if(i=(bytes/2+1)for(int n=0;n(bytes/2+1);n+)fileInputStream.read();i=0;fileOutputStream.flush();fileInputStream.close();fileOutputStream.close();public static void main(String args) throws IOExceptionScanner reader1 = new Scanner(System.in);System.out.println(:);String string1 = reader1.next();FileInputStream fileInputStream = new FileInputStream(string1);fileInputStream.skip(22);if(fileInputStream.read()!=2)/System.out.println();fileInputStream.close();System.exit(0);fileInputStream.skip(11);int bytes=fileInputStream.read()/8;fileInputStream.close();Scanner reader2 = new Scanner(System.in);System.out.println(sample1.wav:);String string2 = reader2.next();Scanner reader3 = new Scanner(System.in);System.out.println(sample2.wav:);String string3 = reader3.next();transition1(