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Bidirectional audio and video signal transmission system by optical wavelength division multiplexed scheme

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8 Author(s)
J. Li ; Shizuoka Univ., Hamamatsu, Japan ; H. Ikeda ; H. Yoshida ; K. Awoki
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Describes a novel wavelength division multiplexed 850/1300 nm system for bidirectionally transmitting square wave frequency modulated (SWFM) audio and video signals and PCM (pulse code modulation) FSK (frequency shift keying) data. One channel for the composite audio-video signal and four channels for PCM data are provided to concurrently transmit SWFM signals in both directions through an optical fiber. The audio signal distortion was 0.5% with a signal-to-noise ratio (SNR) of 70 dB. The distortion when PCM data were used for the voice signal was 1.0% with an SNR of 60 dB. The DG and DP for the video signal were under 5% and 5° with an SNR of 50 dB

Published in:

Circuits and Systems, 1991., Proceedings of the 34th Midwest Symposium on

Date of Conference:

14-17 May 1991