Audio frequency range of LP sv. CD (YouTube)

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isidroco
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junior member
Argentina
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Joined: 27 Jun 2019 15:47

Re: Audio frequency range of LP sv. CD (YouTube)

Post by isidroco » 27 Jun 2019 16:47

High frecuency content is usually not desireable: https://en.wikipedia.org/wiki/Combination_tone
Non linear interference on inaudible (above 20kHz) content can generate non desired lower (audible) frecuencies per substraction. (ie: a 30kHz and a 31kHz signal might generate a totally disturbing 1kHz noise). Usually it's better to filter above 20-24kHz.