Pitch Probability Density (NWO/IPO/PHILIPS) | PhD, Chapter 5 | ||||||||||||||||||||||||||
    Speech Quality (KPN/OPTICOM/TNO) EXAMPLES |
ITU-T Rec. P.861 PSQM;
 
P.862 PESQ;
 
P.863 POLQA
open access
       
POLQA flowchart
 
   
Speech Quality Degradation Decomposition (TNO) |
Degradation decomposition into noise, time, frequency domain contributions
|    
Speech Quality of Tone Languages (TNO, uni Nsukka) |
The Impact of Tone Language and Non-Native Language Listening on Measuring Speech Quality
|    
Speech/Telephony/Audio/Video Quality (KPN/TNO) |
Glass Box versus Black Box Telephony example, see also GSM example |    
Talking Quality (listen to your own voice) (KPN, uni Delft) |
PESQM
|    
Conversational Quality (TNO uni Nsukka) |
ITU-T White Contribution;
Conf paper Acoust. Soc. of Nigeria
|    
Intelligibility (TNO/KPN) |
PESQ Intelligibility;
  
POLQA Intelligibility |    
Audio Quality (KPN/OPTICOM) |
PAQM (output example);
  
ITU-R standard BS.1387 PEAQ |    
Video Quality (KPN/OPTICOM) |
PVQM;
  
ITU-T standard J.247 PEVQ |    
AudioVisual Quality (KPN) |
(AA-Q,VV-Q) ➜ AVAV-Q |    
Hearing Aid Quality (TNO/Consortium) |
PHAQM basic approach, Limited information available, see Figs 2 and 3 of this AES paper page 854 |    
Loudspeaker Reproduction Quality (TNO/Consortium) |
PREQUEL |    
Immersion Quality (TNO/Consortium) EXAMPLES |
Under development
 
|    
Browsing/Downloading Quality (KPN/TNO) |
Glass Box Browsing/Downloading, based on ITU-T standard G.1030 | |