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UIT-T�SG 12

Calidad de funcionamiento, calidad de servicio y calidad percibida

Periodo de estudios 2009

Resultados :19 documentos
Contribuciones �[�AI/Cuesti�n:�Q8/12�]���Documents / Contributions

N�mero
T�tulo Origen AI/Cuesti�n
Fecha
[ 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
Resultados :19 documentos
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