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The UK was one of the first countries to introduce GSM-EFR which used the ACELP codec at 12.2 kbit/s for phone calls. The quality was actually pretty good. I d
by LeoPanthera 4y ago
The UK was one of the first countries to introduce GSM-EFR which used the ACELP codec at 12.2 kbit/s for phone calls. The quality was actually pretty good.
I don't really understand why phone call fidelity hasn't improved since then. Sometimes it seems like it's even worse!
- tialaramex 4y agoImagine that audio fidelity is crucial. You are designing a phone. Does it resemble a hand-sized rectangular piece of glass? No? I guess the hypothesis that audio fidelity is crucial was wrong.