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SoX is the Swiss Army Knife of sound processing utilities. It can convert audio files to other popular audio file types and also apply sound effects and filters during the conversion.
License
GNU General Public License version 2.0 (GPLv2), GNU Library or Lesser General Public License version 2.0 (LGPLv2)Follow SoX - Sound eXchange
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User Reviews
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incredibly Powerful Audio Tool — If You’re Comfortable With the Command Line I’ve used SoX mostly for batch audio processing — converting formats, normalizing levels, trimming files, and applying effects at scale. Once you understand the syntax, it’s insanely powerful. You can do things in a single command that would take multiple steps in a GUI-based editor. What really stands out is how accurate and consistent the output is. If you care about audio quality and repeatable results, SoX delivers. It’s also great for automation and scripting, which makes it ideal for backend workflows or audio processing pipelines. The downside is obvious: there’s no visual feedback. If you’re used to dragging sliders and seeing waveforms, SoX will feel unfriendly at first. You have to trust your commands and know exactly what you want to do. Documentation exists, but you’ll spend time experimenting before you feel confident. Overall, SoX is an excellent tool for technical users who want full control over audio processing, but it’s not designed for casual editing. If you’re okay with the command line, it’s easily worth 4 out of 5 stars.
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How do I get soxi.exe? It is not included in the distribution files for Windows that I can download today?
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No manual for installation, go figure. The installer downloaded from here is running, but the executable once installed does not. Installing with winget does nothing either, the executable can not be run from a command line.
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This may help "UK_2007".... I've had issues with 1.14.2 and no audio output through my default audio device. I tried forcing it to my speakers. I tried a different audio card. No matter how many hours I spent trying to get it to play - no good ... It just could not find a default audio device. Solution: Uninstall 1.14.2 and install 1.14.1 ! It just plain worked first time! And has continued to work ever since. Mike
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Basically it did not work. It can't play AD4 files, although it is supposed to. "no handler for file extension AD4". The documentation seems to be out of date, referring to "Play" and "Rec" which don't come in the download. I got the error "Sorry, there is no default audio device configured". Online ,I found various guesses as to how to fix that, but in the end I never got it working. Support .. zero to poor.
