Table of Contents

Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
  3.1 Definitions
  3.2 Abbreviations
4 Requirements
  4.1 General
  4.2 Sensitivity - frequency response
  4.3 Sending and Receiving Loudness Ratings
  4.4 Volume control range
  4.5 Terminal Coupling Loss
  4.6 Distortion
  4.7 Out of band signals
  4.8 Noise
  4.9 Delay
  4.10 Lip synchronisation
  4.11 Switching characteristics
Annex A (informative): Bibliography
History

Abstract

Provides the electroacoustic characteristics for 7 kHz bandwidth loudspeaking and handsfree functions implemented in videotelephony terminals intended for use in the videotelephone teleservice in the Integrated Services Digital Network (ISDN) using Adaptive Differential Pulse Code Modulation (ADPCM) encoding according to CCITT Recommendation G.722 (see annex A).

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	TE 4
Supersedes	PRI-ETS 300 302-4 : 1996