CODEWITHSUNDEEP
iphoneobjective-calgorithmaudiofrequency
123hal321
123hal321

Reputation: 2090

Sound frequency detection

I am currently attempting to create a sound frequency detection application on the iPhone. I have been informed that the algorithm I need for frequency detection of a single frequency is the goertzel algorithm.

However, I am currently struggling to implement this algorithm in C or Objective-C. I am unsure how to retrieve the data I need from the microphone and how to process it in realtime with this algorithm.

Any help / sample code would be greatly appreciated.

Upvotes: 7

Views: 10043

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