How to build a telephone voice changer?

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elecing

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Telephone voice changer

Hi,
I want to build a voice changer for my telephone,If you have a any information about is ,please tell my ,Thank you.
 

Telephone voice changer

The simplest one is spectral transformation of voice signal when fixed frequency shift is done to incoming signal - either higher or lower .
Using old technics - you can shift to much high frequency , filter one of the 2 bands and shift signal back with different frequency . Some thechnics yused for SSB modulation can be used .
 

Re: Telephone voice changer

I think there are chips can do this function ; does any body know part number or even a company name which produce this chip ; it sounds interesting
 

Telephone voice changer

Yes, i need a complete project too.I saw some commercial products for cellular phones.Is there any instant chips for this?
Or is there any proggy for pc to change male voice to female voice and/or change female voice to male voice?
Analyzer
 

Re: Telephone voice changer

This IC is a very complete pitch changer for voice.

Frasse
 

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