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Foreword
Modal verbs terminology
Foreword
1 Scope
2 References
3 Abbreviations
4 General
5 Performance requirements
6 Introduction to the testing of AMR-WB speech codec
7 Important notes about the interpretation of test results
8 Performance in self-tandeming and with variation of the
input speech level
9 Interoperability Performance in Real World Wideband
Scenarios
10 Interoperability Performance in Real World
Narrowband Scenarios
11 Performance of VAD/DTX/CNG Algorithm
12 Performance in Static Errors under Clean Speech
Conditions in GSM GMSK
13 Performance in Background Noise in Static C/I Conditions
in GSM GMSK
14 Performance in Static Errors under Clean Speech Conditions in 3G
15 Performance in Background Noise in Static C/I Conditions in 3G
16 Performance in Static Errors under Clean Speech Conditions in
GERAN 8-PSK FR and HR channels
17 Effects of Bit Rate, Input Level, and VAD/DTX (DCR)
18 Effects of Bit Rate, Tandeming, and Background Noise (DCR)
19 Effects of Wideband Coding and Test Method on Music
Quality (ACR, DCR)
20 Performances with DTMF Tones
21 Performance with Special Input Signals
22 Overload Performance
23 Muting Behaviour
24 Language Dependency
25 Transmission Delay
26 Frequency Response
27 Signalling Tones
28 Complexity Analysis
29 Comfort Noise Generation
30 Performance with music signals (informal expert listening)
31 Switching Performance between AMR and AMR-WB modes
Annex A - Detailed information about the AMR-WB
selection phase
Annex B - AMR-WB Floating-Point Verification
Annex C - Change history
History