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Modulation is the process of varying a higher frequency carrier wave to transmit information. ... Modulation techniques can be broadly divided into analog modulation and digital modulation. Amplitude modulation (AM) is one form of analog modulation.
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zone.ni.com/devzone/cda/tut/p/id/3002
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Modulation - Wikipedia, the free encyclopedia
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Modulation is the process of varying one waveform in relation to another waveform. In telecommunications, modulation is used to convey a message, or a musician may modulate the tone from a musical in...
en.wikipedia.org/wiki/Modulation
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By analogy to the radio sense of the term, amplitude modulation is used in electronic and computer SOUND SYNTHESIS to refer to a similar process where both the carrier and the modulating signals are in the audio range, or the latter in the SUBAUDIO range.
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www.sfu.ca/sonic-studio/handbook/Amplitude_Modulation.h...
www.sfu.ca/sonic-studio/handbook/Amplitude_Modulation.html
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pulse-amplitude modulation (PAM) ... pulse-amplitude modulation (PAM): Modulation in which the amplitude of individual, regularly spaced pulses in a pulse train is varied in accordance with some characteristic of the modulating signal. (188) Note: The amplitude of the amplitude-modulated pulses conveys the information.
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www.its.bldrdoc.gov/fs-1037/dir-029/_4233.htm
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German patent document DE 26 22 058 A1 depicts a procedure for eliminating intelligible cross-talk during the transmission of information through transformation of amplitude and frequency modulation by means of frequency modulation frequencydivision multiplex or FM-FDM. In a receiver for frequency modulated signals (in...
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www.patentgenius.com/patent/5603110.html
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The object of the present invention is to remedy the drawbacks of the aforesaid prior art methods by implementation of a process of musical and vocal dynamic sound synthesis by non-linear distortion and amplitude modulation making it possible, by maintaining specified phase relations between synthesized formants,
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freepatentsonline.com/5524173.html
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Quadrature Amplitude Modulation (QAM) , A.K.A., I & Q Modulation ... These carriers are applied to two different demodulators; each demodulator outputs one of the two original signals applied in the modulation process (I & Q) at the transmitter. ... -Quadrature Amplitude Modulation (QAM)-
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www.williamson-labs.com/480_qam.htm
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This spectral simulation demonstrates the original amplitude modulation method used for transmitting audio signals over radio frequency waves., ... Amplitude modulation was the original method used for transmitting audio signals over radio frequency waves. It is still used today in AM radio. This applet demonstrates...
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education.tm.agilent.com/index.cgi?CONTENT_ID=9
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