audio frequency modulation

audio frequency modulation
TV
(AFM) Method of recording hi-fi audio on videotape along with video signals. Used inVHS Hi-Fi Audio, and also the analog soundtrack of the 8mm and Hi8 video formats.

Audio and video glossary. 2014.

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  • Audio Frequency Modulation — (AFM) is an audio recording standard used by VHS stereo, 8mm and hi8 video systems. AFM is mono on 8mm systems and stereo on hi8 …   Wikipedia

  • frequency modulation — ► NOUN ▪ the modulation of a wave by varying its frequency, used as a means of broadcasting an audio signal by radio …   English terms dictionary

  • Frequency modulation synthesis — In audio and music frequency modulation synthesis (or FM synthesis) is a form of audio synthesis where the timbre of a simple waveform is changed by frequency modulating it with a modulating frequency that is also in the audio range, resulting in …   Wikipedia

  • Frequency modulation — See also: Amplitude modulation In telecommunications, frequency modulation (FM) conveys information over a carrier wave by varying its frequency (contrast this with amplitude modulation, in which the amplitude of the carrier is varied while its… …   Wikipedia

  • Audio-Frequency-Shift-Keying — AFSK (englisch Audio Frequency Shift Keying) ist eine digitale Modulationsart welche auf der Frequenzumtastung (FSK) basiert und als Besonderheit Frequenzen im Audiobereich (16 Hz bis 20 kHz) verwendet. Im Deutschen wird das Verfahren auch… …   Deutsch Wikipedia

  • Audio Frequency Shift Keying — AFSK (englisch Audio Frequency Shift Keying) ist eine digitale Modulationsart welche auf der Frequenzumtastung (FSK) basiert und als Besonderheit Frequenzen im Audiobereich (16 Hz bis 20 kHz) verwendet. Im Deutschen wird das Verfahren… …   Deutsch Wikipedia

  • frequency modulation — noun the modulation of a radio or other wave by variation of its frequency, especially to carry an audio signal …   English new terms dictionary

  • Frequency-division multiplexing — (FDM) is a form of signal multiplexing where multiple baseband signals are modulated on different frequency carrier waves and added together to create a composite signal. Non telephoneFDM can also be used to combine multiple signals before final… …   Wikipedia

  • Frequency deviation — (Δf) is used in FM radio to describe the maximum instantaneous difference between an FM modulated frequency and the nominal carrier frequency. The term is sometimes mistakenly used as synonymous with frequency drift, which is an unintended offset …   Wikipedia

  • Modulation — For musical change of key, see Modulation (music). For other uses, see Modulation (disambiguation). Passband modulation v · d · e …   Wikipedia

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