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To preserve the talker's identity for privacy reasons, I would make available for listening a distorted version of the original audio file, while using the original one for real recognition to improve the system. This won't work. The point is that the whole job of your speech recognition algorithm is to figure out which "components" in your audio signal ...


So, you've got the audio signal in digital on your PC. Analyze that digitally; you don't need any measurement equipment to do that. On the contrary: Measuring properties of the analog audio signal is highly undesirable, because you'd be including the sound card of your laptop in your measurement, but you probably don't care about that even remotely. If you ...

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