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Sorry for this question but a little bit related to your field, why audio can't be improved through AI ?

by saadalem 6y ago

londons_explore 6y ago
Audio can be improved with AI. There are lots of demos of AI separating human voice from background sounds.
- saadalem 6y ago
  I mean could you have a high quality mic on the phone/laptop just by using AI ? i.e Blue Yeti USB Mic
  - rapjr9 6y ago
    There is software for music professionals that will process audio to make it sound like it was recorded with any microphone you choose. It's not AI, just a mathematical convolution. However, the factors that make audio sound better are not just the microphone, most of them are the recording environment. This is why recording studios exist. That said there are some types of processing that can improve audio quality. It's possible to remove some types of noise and to remove echoes from walls. You often need to know something about the room to do that though so there is no general "make it better" algorithm (yet). One simple thing that sometimes helps is to adjust the equalization (increase or decrease gain at different frequencies), although if you use a normal equalizer this can add phase noise that makes the audio sound "muddy". A special kind of equalizer using FIR filters can adjust gains at different frequencies without altering the phase and results in a cleaner sounding adjustment. There are "sonic enhancers" also, such as: http://www.bbesound.com/products/sonic-maximizers/default.aspx http://www.bbesound.com/products/sonic-maximizers/default.as... which can add clarity to sound, though they don't work in all cases. If you are mainly interested in intelligibility of voice there are algorithms for that which may destroy the musicalness of the sound, but make the speech easier to understand. Some of these things were first invented to improve the sound on the original telephones. Probably the best way to improve sound is to improve the environment, often by adding sound absorbers on reflecting surfaces such as walls which gets rid of echoes. Even cheap microphones these days are pretty accurate at recording sound.

Sorry for this question but a little bit related to your field, why audio can't be improved through AI ?

londons_explore 6y ago

Audio can be improved with AI. There are lots of demos of AI separating human voice from background sounds.

saadalem 6y ago
I mean could you have a high quality mic on the phone/laptop just by using AI ? i.e Blue Yeti USB Mic
- rapjr9 6y ago
  There is software for music professionals that will process audio to make it sound like it was recorded with any microphone you choose. It's not AI, just a mathematical convolution. However, the factors that make audio sound better are not just the microphone, most of them are the recording environment. This is why recording studios exist. That said there are some types of processing that can improve audio quality. It's possible to remove some types of noise and to remove echoes from walls. You often need to know something about the room to do that though so there is no general "make it better" algorithm (yet). One simple thing that sometimes helps is to adjust the equalization (increase or decrease gain at different frequencies), although if you use a normal equalizer this can add phase noise that makes the audio sound "muddy". A special kind of equalizer using FIR filters can adjust gains at different frequencies without altering the phase and results in a cleaner sounding adjustment. There are "sonic enhancers" also, such as: http://www.bbesound.com/products/sonic-maximizers/default.aspx http://www.bbesound.com/products/sonic-maximizers/default.as... which can add clarity to sound, though they don't work in all cases. If you are mainly interested in intelligibility of voice there are algorithms for that which may destroy the musicalness of the sound, but make the speech easier to understand. Some of these things were first invented to improve the sound on the original telephones. Probably the best way to improve sound is to improve the environment, often by adding sound absorbers on reflecting surfaces such as walls which gets rid of echoes. Even cheap microphones these days are pretty accurate at recording sound.