About the bit rate of human hearing

Apr 23, 2025 at 10:08 AM Thread Starter Post #1 of 4

AlexMa

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I tried to estimate the resolution of human hearing. If we take the average number of neural fibers in a hair cell of the organ of Corti of an adult human to be 400, and the number of hair cells to be 20,000, then we get 8,000,000 consecutive channels with a variable sampling frequency and bit depth. Averaging the frequency at 6000 Hz, and the bit depth (the number of ions passing through the hair cell per second) at 20, we get 960,000,000,000 bits per second or 960 Gbit/sec for one ear, for two - 1.92 Tbit/sec. Let me remind you that the maximum bit rate of the DSD1024 format is 49.2 Mbit/sec, the CD format - 705.6 Kbit/sec.
 

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Last edited:
May 2, 2025 at 7:04 AM Post #4 of 4
I tried to estimate the resolution of human hearing.
Why would you try to estimate the resolution of human hearing when it’s already been established, decades ago? And, I’ve no idea where you got any of your figures from, they seem to just be guesses based on numbers you’ve made up. The aural nerve for example is a bundle of about 30,000 nerve fibres, your 8,000,000 consecutive channels has no meaning, nor does your use of sampling frequency. Maybe start again from the basics?

G
 

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