我想获得两个音频文件作为输入,然后将它们按字节合并,并将其保存为单个文件。
在这段代码中,我尝试用Java来实现,它运行得很好,但我不知道如何在android中实现它。
如何在android中做到这一点?
import java.io.File;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.Path;
import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
public class FileMixer {
public static void main(String[] args)
{
try
{
Path path1 = Paths.get("C:\\Srini\\Wav\\welcome.wav");
Path path2 = Paths.get("C:\\Srini\\Wav\\goodbye.wav");
String path3 ="C:\\Srini\\Wav\\srini12.wav";
File Newfilepath=new File(path3);
byte[] byte1 = Files.readAllBytes(path1);
byte[] byte2 = Files.readAllBytes(path2);
byte[] out = new byte[byte1.length];
for (int i=0; i<byte1.length; i++)
{
out[i] = (byte) ((byte1[i] + byte2[i]) >> 1);
}
InputStream byteArray = new ByteArrayInputStream(out);
AudioInputStream ais = AudioSystem.getAudioInputStream(byteArray);
AudioSystem.write(ais, AudioFileFormat.Type.WAVE,Newfilepath);
}
catch(Exception e)
{
e.printStackTrace();
}
}
}
发布于 2017-04-27 15:01:45
private void mergeSongs(File mergedFile,File...mp3Files){
FileInputStream fisToFinal = null;
FileOutputStream fos = null;
try {
fos = new FileOutputStream(mergedFile);
fisToFinal = new FileInputStream(mergedFile);
for(File mp3File:mp3Files){
if(!mp3File.exists())
continue;
FileInputStream fisSong = new FileInputStream(mp3File);
SequenceInputStream sis = new SequenceInputStream(fisToFinal, fisSong);
byte[] buf = new byte[1024];
try {
for (int readNum; (readNum = fisSong.read(buf)) != -1;)
fos.write(buf, 0, readNum);
} finally {
if(fisSong!=null){
fisSong.close();
}
if(sis!=null){
sis.close();
}
}
}
} catch (IOException e) {
e.printStackTrace();
}finally{
try {
if(fos!=null){
fos.flush();
fos.close();
}
if(fisToFinal!=null){
fisToFinal.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
发布于 2017-05-04 12:54:02
为了组合两个wav文件使用这个代码,
import java.io.File;
import java.io.IOException;
import java.io.SequenceInputStream;
import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
public class WavAppender {
public static void main(String[] args) {
String wavFile1 = "D:\\wavOne.wav";
String wavFile2 = "D:\\wavTwo.wav";
try {
AudioInputStream clip1 = AudioSystem.getAudioInputStream(new File(wavFile1));
AudioInputStream clip2 = AudioSystem.getAudioInputStream(new File(wavFile2));
AudioInputStream appendedFiles =
new AudioInputStream(
new SequenceInputStream(clip1, clip2),
clip1.getFormat(),
clip1.getFrameLength() + clip2.getFrameLength());
AudioSystem.write(appendedFiles,
AudioFileFormat.Type.WAVE,
new File("D:\\wavAppended.wav"));
} catch (Exception e) {
e.printStackTrace();
}
}
}
发布于 2020-07-04 17:59:06
为时已晚。但是,仍然有人可能需要一个适当的解决方案。这就是我建议使用AudioMixer-android库的原因。你还可以执行很多音频处理的事情。
https://stackoverflow.com/questions/29670963
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