android音乐跳动频谱动画

上传者: yilan55 | 上传时间: 2020-01-03 11:43:43 | 文件大小: 31.44MB | 文件类型: zip
最近由于需要实现音乐频谱,所以今天就为大家普及一下。关于音乐频谱你需要了解数字信号处理的知识,尤其是FFT的知识。简单说就是把时域上连续的信号(波形)强度转换成离散的频域信号(频谱)。我理解波形就是信号的强度,或者说音响设备的输出的功率,功率高,音量就大。但是歌曲的曲调是不会变的,因为频谱是不会变的。这个是我写的一个demo,可以借鉴一下

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