How can sound be recorded into physical and digital media, what sorcery is this? (lemmy.world)

submitted 7 months ago by cheese_greater@lemmy.world to c/asklemmy@lemmy.world

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Also: can mp3s be totally represented as a text file?

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[-] intensely_human@lemm.ee 8 points 7 months ago

This does involve a cutoff point in the “maximum” frequency of a signal. Actual sound contains a much larger frequency spectrum than our audio file formats are designed to handle.

[-] SturgiesYrFase@lemmy.ml 7 points 7 months ago

Actual sound also contains a larger frequency spectrum than our ears are designed to handle. Not throwing shade, our audio file formats also contain a narrower frequency spectrum than we can hear generally speaking.

[-] intensely_human@lemm.ee 2 points 7 months ago

I speak incompletely because I expect others to argue and complete the conversation. No shade perceived at all.

[-] Strykker@programming.dev 4 points 7 months ago

Sure but human hearing tends to cap out at around 24khz so a sample rate of 48khz is going to contain everything that we can hear.

[-] intensely_human@lemm.ee 1 points 7 months ago

Tends to, key word. Some are outliers in every dimension, including maximum perceptible frequency.

this post was submitted on 07 Mar 2024

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