Topic: Differential Pulse Code Modulation
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What is Pulse Code Modulation?
A digital representation of analog signal that shows the magnitude of the signal being sampled at random times throughout the interval is called pulse code modulation. Read More »
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What is differential pulse-code modulation?
( dif·ə′ren·chəl ′pəls ′kōd ′mäj·ə′lā·shən ) (communications) A type of pulse-code modulation proposed for television transmission, in which only the differences between the continuous picture elements on the scanning lines are transmitted,... Read More »
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What is adaptive differential pulse-code modulation?
( ə¦dap·tiv ′dif·ə¦ren·chəl ′pəls′cōd ′mäj·ə′lā·shən ) (communications) A method of compressing speech and music signals in which the transmitted signals represent differences between input signals and predicted signals, and these predicted... Read More »
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Differential Pulse Code Modulation
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It signals the difference between successive sample sizes
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advantage of pulse code modulation is of two fold first noise interference is completely eliminated when the signal level exceeds the value of 20db or more second the signal can be received and retransmitted as many times as required withou...
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pcm is used in mobile...
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telkom system, CD laser disks, digital audio recording, digitized video special effects, voice mail, digital video. It is also widely used in Radio Control Units. Radio transmitter and receiver for remote controlled cars, planes, boats etc....
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Source: http://wiki.answers.com/Q/How_pulse_code_modulation_performed
( ′del·tə ¦pəls ′kōd ′mäj′ə′lā·shən ) (electronics) A modulation system that converts audio signals into corresponding trains of digital pulses to give greater freedom from interference during transmission over wire or radio channels.
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Source: http://www.answers.com/topic/delta-pulse-code-modulation
http://www.birds-eye.net/definition/d/dp... http://en.wikipedia.org/wiki/Alec_Reeves
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