I-ETS 300 302-1 : NOV 96
Current
The latest, up-to-date edition.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - VIDEOTELEPHONY TELESERVICE PART 1 - ELECTROACOUSTIC CHARACTERISTICS FOR HANDSET TELEPHONY FUNCTION WHEN USING PULSE CODE MODULATION (PCM) ENCODING
12-01-2013
Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Mode "0U" characteristics
4.1 Default encoding law
4.2 A-law encoding
4.3 Mu-law encoding
5 Characteristics for framed transmission in PCM
encoding
5.1 General
5.2 Sensitivity - frequency response
5.3 Sending and Receiving Loudness Rating (SLR and
RLR)
5.4 Sidetone
5.5 Terminal Coupling Loss (TCL)
5.6 Distortion
5.7 Variation of gain with input level
5.8 Out-of-band signals
5.9 Noise
5.10 Acoustic shock
5.11 Absolute delay
5.12 Lip synchronization
6 Characteristics for framed transmission in LD-CELP
encoding
6.1 General
6.2 Sensitivity
Annex A (normative): Test methods
A.1 General conditions for testing
A.2 Delay
A.3 Listener SideTone Rating (LSTR)
A.4 Weighted Terminal Coupling Loss (TCLw)
Annex B (informative): Bibliography
History
Standardises electroacoustical characteristics of video telephony terminals for Integrated System Digital Network usin PCM A-law coding and handset functions.
| Committee |
TE 4
|
| DocumentType |
Miscellaneous Product
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| Standards | Relationship |
| DIN V I-ETS 300302-1:1995-05 | Identical |
| PN I-ETS 300 302-1 : 2005 | Identical |
| XP I ETS 300302-1 : 97 XP | Identical |
| I-ETS 300 302-3 : SEP 96 | INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - VIDEOTELEPHONY TELESERVICE - AUDIO ASPECTS - WIDEBAND HANDSET |
| NF ETS 300807 : 2001 | INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - AUDIO CHARACTERISTICS OF TERMINALS DESIGNED TO SUPPORT CONFERENCE SERVICES IN THE ISDN |
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