Speech consists of two separate languages, vowels and consonants. I wish to delete the vowels.
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This is done using software, not electronic circuitry. First make a .mp3 file of the speech using a headphone connected to your laptop. Then process this file using a custom written program (e.g. use C++). Then play the resulting file through the loudspeaker on your laptop.
The software detects vowels by doing an FFT, then looking for continuous frequencies. If you get the same frequency (or group of frequencies) for more than 20ms or so, chances are it is a vowel. Rapidly changing white noise is probably a consonant.
The software detects vowels by doing an FFT, then looking for continuous frequencies. If you get the same frequency (or group of frequencies) for more than 20ms or so, chances are it is a vowel. Rapidly changing white noise is probably a consonant.
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Impossible. The circuitry would have to be so complex that it wouldn't be worth the time and cost.
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Remove all vowels means SILENT. That is your answer.