audio-comparison

I need a software or a library which handles with audio comparison, but not using the tag's inside mp3 ,it should compare similarity or confidence between 2 audio Files, or if i cut a piece from an audio file, the software should point where is that file token from the main audio file (i hope i was clear enough). So how i heard this technology is called Audio Acoustic Comparing , and based on some audio sample file, which we can call fingerprint . The software should point me if it finds an equivalent of the input sample or fingerprint, somewhere in the file. Bests. libfooid is free. It's dual

I want to record two voices and compare them. I think there is some Apple sample code for voice recording. I have no idea about comparing two audio files. What is the right approach for this? Is there any framework Apple provides for this purpose or is there any third party framework? Dave It's not in objective C, but it does contain some fantastic explanation about how audio is compared by Shazam, and includes sample code (and source for a working application) in Java: Check this out Additionally, This Question has a fantastic link to audio fingerprinting, which is essentially the same as the