Voice change technology

There are two ways to turn a person's voice into another person's voice: one is to turn a person's voice into a non-specific person's voice, for example, to change a man's voice into a female voice, or turn the voice of a child into the voice of an old man. Another is to turn a person's voice into a voice specific to a specific person, a bit like in an American movie. a can say B's voice through the voice change technique.

This technology is used in the following fields: 1. It is entertaining, for example, changyin chat, the highest voice of chatting. Second, in terms of confidentiality, for example, if a chief executive issues a command to make a voice change during the dissemination process, the enemy may not guess the identity of an existing leader. Third, attackers can exploit this vulnerability. Haha!

I. general description of audios:

Most of my friends' online chats are typed chats! Tired and time-consuming! A little popular is the use of microphones "camera stuff to change the chat atmosphere! Have you ever experienced an alternative chat realm? That is, you can change the voice of your voice when chatting more personalized! For example, you can use your magnetic voice to create a sweet voice! How about it! Good time?

Generally, audio can be achieved with the help of computer sound card settings and software.

 

Ii. Main audio changesAlgorithmPrinciple

There are several simple examples:

The simplest is that the voice can be changed by changing the voice sampling rate. This is the lowest and is not easy to use.

The other one is to extract the parameters of the opposite personality, such as men and women. For children and the elderly, the pitch is different because of the different sound length, as a result, different resonant peaks are different. We may change the sound by changing the position of the pitch and the peak.