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ITU-T SG12

Performance and quality of service

Study Period 2005
Results:10 total items.
Contributions  [ Source: Federal Republic of Germany ]   Documents / Contributions
 
Number 
Title Source AI/Question
 		Date
[ 182 ]  
  		Provisional Equipment Impairment Factors Ie for the Narrow-band Adaptative Multi-Rate (AMR) Speech Codec     Federal Republic of Germany   Q8/12   2008-05-12
[ 181 ]  
  		Extension of the methodology for the derivation of equipment impairment factors from subjective listening-only tests towards wideband speech codecs     Federal Republic of Germany; France Télécom R&D   Q8/12   2008-05-12
[ 180 ]  
  		Single-Ended Quality Estimation of Synthesized Speech: Analysis of the Rec. P.563 Internal Signal Processing     Federal Republic of Germany   Q12/12   2008-05-12
[ 106 ]  
  		Considerations for the publication of Appendix I of ITU-T Recommendation G.113     Federal Republic of Germany   Q10/12   2007-09-21
[ 104 ]  
  		Derivation of Wideband Equipment Impairment Factors from Listening-only tests and Instrumental Models     Federal Republic of Germany , Japan , NTT , France Télécom   Q8/12   2007-09-21
[ 103 ]  
  		One-view visualization of usability measurement results     Federal Republic of Germany   Q12/12   2007-09-21
[ 102 ]  
  		Proposal for an additional handset position definition for the type 3.4 artificial ear in ITU-T Recommendation P.64     Federal Republic of Germany   Q5/12   2007-09-21
[ 101 ]  
+Add.1  		Tests on overall quality as perceived by high frequency hearing impaired subscribers     Federal Republic of Germany   Q8/12   2007-09-21
[ 47 ]  
  		Quality Estimation for Transmitted Synthesized Speech with Single-Ended Models: Comparison of Step 1 Results     Federal Republic of Germany , Psytechnics , Alcatel-Lucent   Q12/12   2007-01-08
[ 5 ]  
  		Proposed Corrigendum to Rec. P.834     Federal Republic of Germany   Q8/12   2004-11-29
Results:10 total items.
 
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