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Johann-1.0
January 9th, 2010, 11:23 AM
Hello friends. I want to know what audio editor allows me to change the pitch (in an easy way) of an audio file but via the command line. I have to do the same changes changes to a lot of files.
The main problem is...Audacity works good for me for one file at a time...I want to do it with lots of files. Audacity deals with pitch in an easy way for me: transpose from do to re, for example, so I could forget about frequencies numbers. I like the same thing, but at command line. May you help me with this?
The audio editing software should also allow me to mix and merge two or more audio files in an only audio file and let me listen to both at a time.
Thanks in advance.

Johann-1.0
January 9th, 2010, 11:28 AM
If that audio software has the option not only to change the pitch in a "musical way" but change the "tempo"(speed) of the file, it would be excellent for me. Thanks

AutoStatic
January 9th, 2010, 11:35 AM
Hello Johann-1.0, maybe the package rubberband-cli provides what you need.

Johann-1.0
January 9th, 2010, 11:42 AM
Hello Johann-1.0, maybe the package rubberband-cli provides what you need.
Thank you...but when I look for it via "sudo apt-get install rubberband-cli" it says package not found.

Darce
January 9th, 2010, 11:47 AM
You can install it via the Synaptic Package Manager. Version 1.2 is in there.

AutoStatic
January 9th, 2010, 12:39 PM
Thank you...but when I look for it via "sudo apt-get install rubberband-cli" it says package not found.Which version of Ubuntu do you use?

Johann-1.0
January 9th, 2010, 12:41 PM
I'm using Ubuntu 8.04 LTS. I tried using Synaptic and didn't work.

AutoStatic
January 9th, 2010, 12:54 PM
It's not included in 8.04 as far as I know.
You could install it from a PPA, this one has rubberband-cli for Hardy: https://launchpad.net/~danmbox/+archive/ppa
Use it at your own risk though and maybe there's a better way to do it with software that is already available for Hardy, like sox.

Johann-1.0
January 9th, 2010, 01:00 PM
Thank you for your help. I've looking for software but couldn't find an easy one to work...if you suggest me one, I will appreciate it a lot. I was looking and find LADSPA plugins...but I need a higher level of knowledge, so I can't use it right now. Audacity doesn't work at command line, at least for the tasks I want. It works the best for one file at a time...but I need to use it for many files.