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digital recording
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Digital Recording
Technique whereby the pressure of sound waves is sampled more than 30,000 times a second and the values converted by computer into precise numerical values. These are recorded and, during playback, are reconverted to sound waves.
This technique can give very high-quality reproduction. The numerical values converted by computer represent the original sound-wave form exactly and are recorded on compact disc or other media. When this is played back, the exact values are retrieved and the sound does not deteriorate with repeated playback, unlike previous vinyl records or magnetic tape methods. When the signal is fed via an amplifier to a loudspeaker, sound waves exactly like the original ones are reproduced.
© RM 2009. Helicon Publishing is division of RM.
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concept keyboard
digital camera
digital recording
digitizer
document reader
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graphics tablet
input device
interactive whiteboard
joystick
keyboard (computing)
light pen
magnetic strip
magnetic-ink character recognition
mark sensing
microphone
mouse (computing)
optical character recognition
optical mark recognition
point-of-sale terminal
punched card
QWERTY
scanner (computing)
sensor
smart card
speech recognition
touch screen
trackball
TWAIN
concept keyboard
digital camera
digital recording
digitizer
document reader
function key
graphics tablet
input device
interactive whiteboard
joystick
keyboard (computing)
light pen
magnetic strip
magnetic-ink character recognition
mark sensing
microphone
mouse (computing)
optical character recognition
optical mark recognition
point-of-sale terminal
punched card
QWERTY
scanner (computing)
sensor
smart card
speech recognition
touch screen
trackball
TWAIN
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Black represents the occupation of foreigners, red represents the blood of freedom fighters, and green denotes Islam. In the middle of the flag is a mehrab, an arch in a mosque where the congregation stands, and a mender, a pulpit in a mosque. The mehrab and mender are both in white, and are enclosed by wheat. Effective date: 5 February 2002.
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