GSM Question:

★ Discontinuous Transmission is one of the methods which is based on the advantage of the fact that a person speak less
★ Nearly 40% of time in general conversation, the transmitter is turned off during silence periods
★ Mobile phone power conservation is an added benefit of DTX
★ Voice Activity Detection is the most important component of DTX
★ DT X distinguishes between voice and noise inputs.
★ The transmitter is turned off when a voice signal is misinterpreted as noise. This causes annoying effect known as clipping is heard at the receiver's end
★ Comfort noise is created at the receiving end, in order to ensure the non-connection.