I-ETS 300 302-2 : DEC 95
Current
The latest, up-to-date edition.
INTEGRATED SERVICES DIGITAL NETWORK (ISDN) VIDEOTELEPHONY TELESERVICE; PART 2: ELECTROACOUSTIC CHARACTERISTICS FOR 3,1 KHZ BANDWIDTH LOUDSPEAKING AND HANDSFREE TERMINALS
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 Loudness Ratings (SLR and RLR)
5.4 Terminal Coupling Loss (TCL)
5.5 Distortion
5.6 Out of band signals
5.7 Noise
5.8 Absolute delay
5.9 Lip synchronisation
5.10 Switching characteristics
5.11 Echo cancelling characteristics
5.12 Articulation
6 Characteristics for framed transmission in LD-CELP
encoding
6.1 General
6.2 Sensitivity
Annex A (informative): Bibliography
History
Standardizes electroacoustical characteristics of videotelephony terminals for ISDN using Pulse Code Modulation (PCM) A-law coding and loudspeaking or handsfree functions.
| Committee |
TE 4
|
| DocumentType |
Miscellaneous Product
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| Standards | Relationship |
| DIN V I-ETS 300302-2:1996-07 | Identical |
| PN I-ETS 300 302-2 : 2005 | Identical |
| 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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