New answers tagged audio-processing
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Yes. I have several apps in the App Store which do a significant portion of classic DSP (filtering, equalization, spectral analysis, etc.) on the CPUs of Mac and iOS devices. The DSP performance of the Apple A12 chip greatly outperforms most DSP chips of just a few years back (in raw computation, not necessarily power consumption efficiency).
There many ...
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Is it possible to still implement a program that modifies the audio frequencies (but only relying on the DSP of the host device i.e Apple, Android device), and then transmits the modified frequencies to the speaker?
I can give you an absolute, positive, definite maybe.
You absolutely positively can do digital signal processing in your cell phone's CPU -- ...
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Now is there a general method to analyze and determine the exact function of that effect
No, there can't be. Effects can (and will be) arbitrary, non-linear, memory-affected mappings.
You will have to make a model of what the effect does and then look for an estimator for the parameters of that model.
For example, if you radically restrict yourselft to ...
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Yes. The DFT/FFT is a linear function of the audio waveform, and taking the absolute value does not break the proportional relationship.
-k
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I finally settled on python, and here is why:
I had no reason to limit myself to a specific language or framework. The target plateform was not specified, but I needed to have proof of concepts for the project, and quick.
I choose python because of its versatility, the profusion of libraries, the speed over other scientific calculation packages, and the ...
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