A fri end's voice sounds different over the te lephone
Chapter 16, Problem 10(choose chapter or problem)
A fri end's voice sounds different over the te lephone than itdoes in person. This is because te lephones do not transmitfrequencies over about 3000 Hz. 3000 Hz is well above the normalfrequency of speech, so why doe s eliminating these highfrequencies change the sound of a person's voice?
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