CODEWITHSUNDEEP
iphoneaudiovoice-recording
Tariq
Tariq

Reputation: 9979

Pitch manipulation of Audio recorded Sounds

I have a challenging task

Task:

Just say something into your iPhone or capture a friend saying something. Then application make it sound even MORE ridiculous with your choice of over a dozen different voices. Voices of animals, guitar, drum etc. In this task we have to convert Pitch Manipulation I suppose.

Upvotes: 2

Views: 883

Answers (2)

Anil Sivadas
Anil Sivadas

Reputation: 1698

Pitch shifting is already been discussed here

Real-time Pitch Shifting on the iPhone

You will have to add animal, guitar, drum sounds to the output stream for extra effects.

Upvotes: 1

user440953
user440953

Reputation:

The easiest way to change the pitch would be to speed it up or slow it down (half speed = down one octave, 2x speed = up one octave). But there are algorithms for maintaining speed...

http://www.dspdimension.com/admin/time-pitch-overview/

http://users.ecel.ufl.edu/~cdeng/pitch_shifting_algorithm.htm

Upvotes: 1

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