Audacity Forum

What settings are you using?

The pitch indicated is the effect's "best guess" at the starting note of the selected audio. It is not necessarily correct. The important issue is how much you want to move the pitch up/down by.

See here: http://wiki.audacityteam.org/wiki/Mixer ... es#vistacp
You need to ensure that the microphone is recognised by Windows and enabled.
Only then should you start Audacity.
The microphone should then appear as a recording input option in the Device Toolbar.

Could the second one be what's been causing the issue? Yes, almost certainly. That feature is only really intended for users with very old hardware / slow hard drives. It gives no real advantage for other users and it is not able to access large amounts of RAM even if available on the machine (I th...

Which version of Windows?

atamo wrote:Unfortunately don't work neither to English version...

I've tested this and I can see no problem. I must be doing something different to you.
Please give step-by step instructions for how I may reproduce the problem.

Normal (uncompressed PCM) WAV files are not small unless very short duration.
How are you recording these phone conversations?
How do you know that the WAV files are WAV format?

There is also a plug-in called "Turntable Warping MS" http://wiki.audacityteam.org/wiki/Nyquist_Effect_Plug-ins#Turntable_Warping_MS To install this plug-in, download the ZIP file. Extract the contents of the ZIP file into the Audacity Plug-Ins folder. Restart Audacity. The effect will the...

Audacity uses PortAudio for accessing audio: http://www.portaudio.com/
I've no idea how to use it - I'm not a C+ programmer.

Ensure that the Stealthplug is connected to the computer and recognised by Windows before you open Audacity.
Then launch Audacity and look in the recording input section of the Device Toolbar and see if there is a USB option.