此存档博客显示java实现的FFT算法非常简洁，读取音频文件并计算频谱。
您还可以查看 Jtranforms 开源 FFT 库
不幸的是，该博客已消失，位于此处还有一些有关 FFT 的其他资源。
This Archived Blog shows a java implementation of the FFT algorithm which is very concise and reads audio files and calculates the frequency spectrum.
You could also check Jtranforms open source FFT library
Unfortunately the blog is gone, here are some other resources on FFT.
看看 jMir 中的 jAudio 包，可能比您需要的要多得多......
have a look at the jAudio package in jMir, there is probably much more than what you need ...
您是否看过以下内容：
http://download.oracle.com/ javase/tutorial/sound/TOC.html
我还使用了 Java Media Framework 进行视频处理，但我相信它们也为声音处理提供了很好的 API。你也应该调查一下。
Have you taken a look at this:
http://download.oracle.com/javase/tutorial/sound/TOC.html
I have also used the Java Media Framework for video processing but I believe that they provide a good API for sound processing too. You should also look into that.
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此存档博客显示java实现的FFT算法非常简洁，读取音频文件并计算频谱。
您还可以查看 Jtranforms 开源 FFT 库
不幸的是，该博客已消失，位于此处还有一些有关 FFT 的其他资源。
This Archived Blog shows a java implementation of the FFT algorithm which is very concise and reads audio files and calculates the frequency spectrum.
You could also check Jtranforms open source FFT library
Unfortunately the blog is gone, here are some other resources on FFT.
看看 jMir 中的 jAudio 包，可能比您需要的要多得多......
have a look at the jAudio package in jMir, there is probably much more than what you need ...
您是否看过以下内容：
http://download.oracle.com/ javase/tutorial/sound/TOC.html
我还使用了 Java Media Framework 进行视频处理，但我相信它们也为声音处理提供了很好的 API。你也应该调查一下。
Have you taken a look at this:
http://download.oracle.com/javase/tutorial/sound/TOC.html
I have also used the Java Media Framework for video processing but I believe that they provide a good API for sound processing too. You should also look into that.