Talk Tom Cat Clone App

Question

Possible duplicate:
iPhone Voice Changer

I want to make applications look like Talking Tom Cat, but I can't determine the sound approach.

How can I convert my sound to the sound of a cat?

Answer 1

See independent stretching of the tone. This is a digital signal processing technology. One method that can be used is the phase vocoder method for sound / resynthesis analysis combined with resampling. It seems that a couple of companies selling libraries are making a suitable modification to the time step.

Answer 2

The technique of converting an ordinary voice to a creaky voice is called a temporary modification of speech. One way is to receive speech and reduce the pitch by a certain amount. Another approach is to stretch / compress speech so that the frequency of the voice increases by an appropriate amount. These are digital signal processing techniques.

Answer 3

great link to download sample code that provides all your needs, here also links here to get more knowledge about your question.

In the init method of the HelloWorldLayer.mm u Code sample, u can see three float values ​​as

time = 0.7; pitch = 0.8; formant = pow(2., 0./12.); 

just adjust the pitch to 1.9, it will be a really good cat sound !!!