PHP如何根据时间段切割音频文件?
我编写的网站需要对用户上传的音频文件(格式为pcm或wav)按照每60s进行循环处理
在网站后台采用PHP,如何对用户上传的音频文件进行按照60s来切割?
回复讨论(解决方案)
ffmpeg
ffmpeg
请问是否能详细一下说明具体如何用ffmpeg实现呢?谢谢!
ffmpeg -i 音频文件名 -t 持续秒数 -ss 开始秒数 输出文件名
ffmpeg -i 音频文件名 -t 持续秒数 -ss 开始秒数 输出文件名
谢谢版主!好像还需要知道音频文件的总时长,从而判断什么时候结束切割吧,请问这个命令怎么写?
参考: http://www.cnblogs.com/wainiwann/p/4031129.html
参考: http://www.cnblogs.com/wainiwann/p/4031129.html
谢谢版主,只是我没有在里面找到可以获取音频时间长度的命令T T
(视频码率+音频码率) * 时长 /8 = 文件大小K
反算不就知道了
(视频码率+音频码率) * 时长 /8 = 文件大小K
反算不就知道了
谢谢版主,好像文章里只说了如何设置、调整码率、文件大小,而没有说明如何查看文件原来的码率和大小。。
参考: http://www.thinksaas.cn/group/topic/346522/

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