TR 146 055 : 13.0.0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); PERFORMANCE CHARACTERIZATION OF THE GSM ENHANCED FULL RATE (EFR) SPEECH CODEC (3GPP TR 46.055 VERSION 14.0.0 RELEASE 14)
Hardcopy , PDF
19-09-2020
English
Intellectual Property Rights
Foreword
Modal verbs terminology
Foreword
Introduction
1 Scope
2 References
3 Abbreviations
4 Quality under error (EP0 - EP3) and tandeming
conditions (Exp Number 1 and Exp Number 5)
5 Quality under background noise conditions (Exp
Number 2 and Exp Number 3)
6 Talker dependency (Exp Number 4)
7 DTX system
8 Performance with DTMF tones
9 Network information tones
10 Performance with special input signals
11 Performance with different languages
12 Delay
13 Frequency response
14 Complexity
15 Summary of the results from the subjective
testing
Annex A - Summary of results (lab by lab)
Annex B - Change history
History
Important note : Users cannot be edited or removed once added to your Multi user PDF.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.