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ITU-T SG 12  C 

ITU-T SG 12

Performance, QoS and QoE

Study Period 2009

Results:19 total items.
Contributions  [ AI/Question: Q8/12 ]   Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 278 ]  
 
Conversational WB speech quality & draft WB E-Model     Deutsche Telekom AG   Q8/12   2011-10-19
[ 275 ]  
 
Extending the E-Model For Capturing Noise Reduction and Echo Canceller Impairments     Deutsche Telekom AG   Q8/12   2011-10-19
[ 196 ]  
 
Extending the E-model to better capture terminal effects     Deutsche Telekom   Q8/12   2011-01-10
[ 189 ]  
 
How the need for fast interaction affects the impact of transmission delay on the overall quality judgment     Deutsche Telekom , HEAD Acoustics   Q8/12, Q7/12, Q18/12   2011-01-10
[ 165 ]  
 
Procedure for the evaluation of the objective metrics - Draft proposal     Ascom (Switzerland) Ltd.   Q9/12, Q8/12, Q7/12, Q16/12, Q15/12, Q14/12, Q13/12   2011-01-07
[ 124 ]  
 
Extending the E-model to better capture terminal effects     Deutsche Telekom AG , Head Acoustics GmbH   Q8/12   2010-05-07
[ 123 ]  
 
Consideration of send-side ambient noise in the E-model     Deutsche Telekom AG   Q8/12   2010-05-07
[ 120 ]  
+Add.1 
First draft listening WB E-model     Deutsche Telekom AG   Q8/12   2010-05-07
[ 119 ]  
 
Towards a Super-wideband E-model     Deutsche Telekom AG   Q8/12   2010-05-07
[ 81 ]  
 
Towards a universal scale for perceptual value     Federal Republic of Germany   Q9/12, Q8/12, Q7/12   2009-10-23
[ 80 ]  
 
Speech quality prediction in wireless heterogeneous networks with aspects of wideband-narrowband speech codec switching     Federal Republic of Germany   Q9/12, Q8/12, Q11/12   2009-10-23
[ 47 ]  
 
Considerations on G.107 packet loss-related default values and proposals     AT&T   Q8/12   2009-02-28
[ 44 ]  
 
Derivation of Wideband Equipment Impairment Factors for the G.711.1 Speech Codec     Federal Republic of Germany   Q8/12, Q10/12   2009-02-28
[ 43 ]  
 
Proposed Text for a New Recommendation P.834.1 "Extension of the methodology for the derivation of equipment impairment factors from instrumental models for wideband speech codecs"     Federal Republic of Germany   Q8/12   2009-02-28
[ 40 ]  
 
Proposed Corrigendum to Rec. P.833.1     Federal Republic of Germany   Q8/12   2009-02-28
[ 39 ]  
 
Comparison between the discrete ACR scale and an extended continuous scale for the quality assessment of transmitted speech     Federal Republic of Germany   Q9/12, Q8/12, Q7/12   2009-02-28
[ 23 ]  
 
Wideband Equipment Impairment Factors Ie,wb for the G.729.1 and Packet Loss Robustness Factors Bpl for the G.729.1, the G.722.2 and the G.722 WB-Codecs for usage in the WB-E-Model     Deutsche Telekom AG   Q8/12   2009-02-27
[ 13 ]  
 
Comments on test vectors generation in ITU-T Recommendation P.564     France Telecom   Q8/12, Q15/12, Q13/12   2009-02-24
[ 12 ]  
+Corr.1 
Influence of informational content of background noise on speech quality evaluation for VoIP application     France Telecom   Q9/12, Q8/12, Q7/12, Q15/12   2009-02-24
Results:19 total items.
 
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