Speech

Bandwidth of time-varying harmonics of speech

Bandwidth of time-varying harmonics of speech
  1. What is speech signal bandwidth?
  2. What is the bandwidth of speech TV and digital data?

What is speech signal bandwidth?

The bandwidth of a speech signal is from 50 Hz through to 10 kHz and that of a music signal is from 15Hz through to 20Khz.

What is the bandwidth of speech TV and digital data?

Video signals for transmission of pictures require about 4.2 MHz of bandwidth. A TV signal contains both voice and picture and is usually allocated 6 MHz of bandwidth for transmission. Digital signals are in the form of rectangular waves as shown in the figure.

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