Optimizing Information Transmission in a Digital Television Encoding System

Abstract

Relationships between human response and digital television encoder parameters were investigated by measuring subjects' minimum perceptible acuities. Variations in sampling frequency and quantizing noise were simulated for a differential pulse code modulation encoding system by changing bandwidths and signal-to-noise ratios of pictures displayed on the monitor of a closed circuit television system. Noise had little or no effect on the minimum perceptible acuity over the ranges tested. Information transmission was profoundly affected by bandwidth and very little affected by noise in the system. This was true for all degrees of system complexity and cost tested.

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Document Details

Document Type
Technical Report
Publication Date
Apr 04, 1972
Accession Number
AD0740622

Entities

People

  • James A. Gardner
  • Stanley M. Soliday

Organizations

  • North Carolina State University

Tags

Communities of Interest

  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Air Force
  • Amplitude
  • Closed Circuit Television
  • Detection
  • Differential Pulse Code Modulation
  • Digital Television
  • Frequency
  • Modulation
  • North Carolina
  • Orientation (Direction)
  • Pulse Code Modulation
  • Target Detection
  • Television Systems
  • Universities
  • Vertical Orientation
  • Video Signals
  • Visual Acuity

Readers

  • Approximation Theory.
  • Human-Computer Interaction (HCI).
  • Vision Science/Vision Psychology/Cognitive Neuroscience.