SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ); THE CONCEPT OF RELATIVE LEVELS

Available format(s)

Hardcopy , PDF

Language(s)

English

Publisher

European Telecommunications Standards Institute

Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definition of the units dBm, dBr and dBm0
  3.1 General
  3.2 The unit "dB"
  3.3 The unit "dBm"
  3.4 The unit "dBr"
  3.5 The unit "dBm0"
  3.6 The letter "p" in "dBmp" and "dBm0p"
  3.7 The relationship between dBm, dBr and dBm0
  3.8 Correction factors
4 The concept of "Relative Levels"
  4.1 General principles
  4.2 The speech signal and the dynamic range of the
      voice channel
  4.3 Relative level designations for a digital path
  4.4 Relative levels in equipment design, specification
      and testing
  4.5 Relative levels in transmission planning and
      maintenance
History

Gives guidance on "good engineering practice" with respect to relative levels.

Committee	STQ
DocumentType	Standard
Pages	20
PublisherName	European Telecommunications Standards Institute
Status	Current

EG 202 192 : 1.1.2	SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ); COMPARISON OF PBX TRANSMISSION REQUIREMENTS IN ANSI/TIA-464-C AND ETSI ES 201 168 V1.2.1
ES 201 168 : 1.2.1	CORPORATE TELECOMMUNICATION NETWORKS (CN); TRANSMISSION CHARACTERISTICS OF DIGITAL PRIVATE BRANCH EXCHANGES (PBXS)