37. Touch-Tone Phones On a Touch-Tone phone, each button produces a unique sound. The sound produced is the sum of two tones, given by y sin(2alt) and y= sin(2=ht) where I and h are the low and high frequencies (cycles per second) shown on the illustration. For example, if you touch 7, the low frequency is /= 852 cycles per see- ond and the high frequency is h = 1209 cycles per sec- ond. The sound emitted by touching 7 is y = sin(2# (852)r] + sin(27(1209)r]
37. Touch-Tone Phones On a Touch-Tone phone, each button produces a unique sound. The sound produced is the sum of two tones, given by y sin(2alt) and y= sin(2=ht) where I and h are the low and high frequencies (cycles per second) shown on the illustration. For example, if you touch 7, the low frequency is /= 852 cycles per see- ond and the high frequency is h = 1209 cycles per sec- ond. The sound emitted by touching 7 is y = sin(2# (852)r] + sin(27(1209)r]
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter16: Waves
Section: Chapter Questions
Problem 88P: A sound speaker is rated at a voltage of P=120.00 V and a current of I=10.00 A. Electrical power...
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