If a voice of for example; a guy called Bruce Wayne's was changed in pitch and was listened to by someone who has met Wayne before. Would the man have a higher chance of recognising the voice to be Wayne's if it the pitch was changed to be two times higher or two times lower.

  • Wouldn't this obviously depend on the pitch the sound started at? – Bryan Krause Dec 5 at 23:54
  • @yolo Recognise Bruce Wayne? Don't know what you're asking. I've never heard his voice. Would I recognise a loved one's voice two octave's different - at what speed, that of a recording played at twice or half speed? If not, then will your simulation just shift the fundimental or harmonics too? How much will be shifted out of hearing range of humans, how much new stuff shifted into hearing range of humans that was previously outside the range? Will the natural variations in pitch that come with expression be compressed or decompressed or natural? What are the parameters of your question? – Duckisaduckisaduck Dec 7 at 1:48
  • I named the guy Bruce Wayne- I didn't want to just call him 'a guy'. Literally, the pitch (i.e the wavelength of the sound waves) will be halved and doubled. I suppose we'll take the average pitch of a human: 180Hz – yolo Dec 7 at 20:31
  • You can look at the famous Laurel/Yanny audio illusion - changing the pitch of a voice not only potentially means no longer recognising the voice, but in some cases it even changes the actual words people hear. – Arnon Weinberg Dec 7 at 22:00

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