How can a piece of vinyl be carved in a way that perfectly mimics the sound of an individual person’s voice?

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I can sort of understand records mimicing the sound of instruments, but voices are so unique, how did we ever figure out the exact carving of a piece of vinyl that when you drag a needle across it, you’ll get the same sound as x or y person’s voice exactly?

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Anonymous 0 Comments

My understanding is that compression is actually built into the process, because the surface depth is so limited. Record players actually uncompress the signal as it goes out to the speakers.

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