将两个音频文件与命令行工具结合在一起 [英] combine two audio files with a command line tool

问题描述

我必须将两个(或多个)音频文件(如吉他和架子鼓)合并到一个文件中.我正在Linux CentOS上运行，并且需要命令行工具来执行此操作，因为我必须将其作为后台进程的一部分来运行，这是通过自定义bash脚本的crontab触发的.我还需要能够更改声像，音量，修剪和开始时间(即，我希望吉他声在鼓声之后1.25ms之后开始，以便它们可以彼此同步).

我的第一选择是ffmpeg，但是我想知道是否有比ffmpeg更具体，更可靠和更模糊的东西.

一吨！-k-

解决方案

我不确定sox是否可以做到所有这些事情(特别是开始时间)，但我认为是这样的:

I've to merge two (or more) audio files (like a guitar and a drum track) into a single file. I'm running over linux CentOS and I'd need a command line tool to do so, because I've got to run this as part of a background process, triggered via crontab of a custom bash script. I also need to be able to change the pan, volume, trim and start time (i.e I want the guitar track to start after 1.25ms after the drum track so that they can be both in sync with each other).

My first choice would be ffmpeg, but I was wondering if there could be something more specific, reliable and less fuzzy than ffmpeg.

thx a ton! -k-

解决方案

I don't know for sure if sox can do all that (esp start time), but I think so: http://sox.sourceforge.net/

Certainly it would be my "goto" tool for that, short of writing my own.

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