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Executive Summary, SG12, June 2026

​Executive summary: Meeting of ITU-T Study Group 12 (Performance, Quality of Service, Quality of Experience), Geneva, 9-17 June 2026

Note: This is not an official record and is subject to correction or modification

Overview​

ITU-T Study Group 12 held its third meeting in the 2025-2028 study period in Geneva, 9-17 June 2026, as a physical meeting with remote participation.

The meeting was attended by 202 participants from 53 countries. This included 115 participants in Geneva and 87 delegates who participated in the meeting using MyWorkspace exclusively.

The meeting received 84 Contributions and handled 191 TDs. Delegates reviewed 74 incoming Liaison Statements and adopted 17 outgoing Liaison statements.

15 Recommendations were consented (4 new, 9 revised, 2 Corrigendum) by the meeting (see below for details). The meeting also agreed on 2 new Technical Reports.

Major accomplishments

Recommendations consented during closing plenary (AAP, Recommendation ITU-T A.8)​

​ITU-T Rec. No. Title Status Question Reference
G.191
 Software tools for speech and audio coding standardization
 Rev
 2/12
 TD461
J.344
(ex J.noref)
 No-reference objective video quality assessment models for full high definition video
 New
 19/12
 TD448R3

​J.344.1
(ex J.noref.1)
​No-reference perceptual objective video quality assessment models for assessing coding artifacts in full high definition video
​New
​19/12
​TD444R3
​J.344.2
(ex J.noref.2)
​No-reference perceptual objective video quality assessment model for assessing coding artifacts and camera impairments in full high definition video
​New
​19/12
​TD445R3
​P.56
​Objective measurement of active speech level
​Rev
​15/12
​TD479
​P.340

​Transmission characteristics and speech quality parameters of hands-free terminals
​Rev
​6/12
​TD477R1
​P.501
​Test signals for use in telephony and other speech-based applications
​Cor
​6/12
​TD502R1
​P.566
(ex P.SAMD)
​Single-ended machine-learning-based models for multi-dimensional speech quality analysis
​New
​9/12
​TD473R1
​P.807
​Subjective test methodology for assessing speech intelligibility
​Cor
​7/12
​TD482
​P.835

​Subjective test methodology for evaluating speech communication systems that include noise suppression algorithm
​Rev
​7/12
​TD458R1
​P.910
​Subjective video quality assessment methods for multimedia applications
​Rev
​19/12
​TD503
​P.1140
​Speech communication requirements for emergency calls originating from vehicles
​Rev
​4/12
​TD474R1
​P.1199 

​Parametric object-recognition-ratio-estimation model for remote monitoring of surveillance video delivered from autonomous vehicle
​Rev
​19/12​
​TD487
​P.1204.1

​Video quality assessment of streaming services over reliable transport for resolutions up to 4K using metadata
​Rev
​14/12
​TD489
​P.1204.2
 ​Video quality assessment of streaming services over reliable transport for resolutions up to 4K using metadata and frame size/type information​
​Rev
 ​14/12​
​TD490

Texts agreed during closing plenary​​
No Title Status Question Reference
GSTR-MVQ
 QoS and QoE standards related to the metaverse
New
1/12
 TD507
​PSTR-CEC
 Framework for Quality of Emotional Experience (QoEE) by using cultural and emotional context in applications based on natural language processing
​New
2/12
 TD515

​
New work items​ approved

​
Ref.​Type

 Title Q/12 Editor(s)
J.FR-NP-REF
 Recommendation
 Full-reference video quality assessment in the presence of non-pristine reference sources
 19/12
 Sungman HONG (Korea (Rep. of))
Sojung LEE (Korea (Rep. of))
Chulhee LEE (Korea (Rep. of))​
​P.1199-coef


​Recommendation
​Methodology for derivation of coefficients in object-recognition-ratio-estimation model
​19/12
​ Kimiko KAWASHIMA (NTT)
Masanori KOIKE (NTT)
Yoichi MATSUO (NTT)
​Kazuhisa YAMAGISHI (NTT)
​P.CGQUEST
​Recommendation
​Subjective test methodology for cloud gaming quality of experience
​14/12
​ David LINDERO (Telefon AB - LM Ericsson)
Karan MITRA (Luleå University of Technology)
Niclas ÖGREN (InfoVista SAS)
Henrique SOUZA ROSSI (Luleå University of Technology)
​P.MOCQA-DT

​Recommendation
​Model(s) for the network-centric assessment of cloud‑gaming QoS to QoE under drive-test conditions
​14/12
​ Karan MITRA (Luleå University of Technology)
Niclas ÖGREN (InfoVista SAS)
Henrique SOUZA ROSSI (Luleå University of Technology)​
​P.PTQ
​Recommendation
​Subjective evaluation of text quality in passive applications
​7/12
​Sebastian MÖLLER (TU Berlin)
​ESTR.SatQual

​Technical Report
​QoS and QoE measurement considerations for satellite-based services delivered to end-user handsets and devices
​12/12
​Savaş ÇITLAK (BTK, Türkiye)
William CROFATE (POTRAZ, Zimbabwe)
Kai DE ANDRADE LIMA (ANATEL, Brazil)
Jacob GONDWE (ZICTA, Zambia)
Abdul KAYUM (TRAI, India)
Tebogo KETSHABILE (BOCRA, Botswana)
​PSTR.SINTN
​Technical Report
 ​Subjective assessment of speech intelligibility for modern speech codecs used in NTN
 ​7/12
 ​Yue HU (China Mobile)
Lei YANG (China Mobile)
Shijun ZHANG (China Mobile)


​Regional Groups

SG12 Regional Group on QoS for the Africa Region (SG12RG-AFR)
  • Coordinated African contributions to SG12;
  • Consultations ongoing on location and dates of the next SG12RG-AFR meeting in the April 2027 timeframe
SG12 Regional Group for the Americas (SG12RG-AMR)
  • ​Consultations ongoing to finalise plans for the next SG12RG-AMR meeting in Guatemala City, 29 October 2026 .
SG12 Regional Group for Asia & Pacific (SG12RG-AP)
  • Established a new Regional Group for Asia & Pacific (ToR here);
  • Consultations ongoing on location and dates of the first SG12RG-AP meeting in Late 2026
Quality of Service Development Group (QSDG) 
  • Reviewed its workplan 

Future meetings and workshops

Meetings of Study Group 12

  • Geneva, 19-27 January 2027
  • TBC: 2-10 November 2027
  • TBC: 9-17 May 2028

WP/12 meetings

  • WP1/12: E-meeting, 15 October 2026, 14:00-15:30 CEST 

Interim meetings

Please see here for updated information . Additional conference calls of Questions will be announced on the respective mailing lists.
  • Q2/12: Revision of E.800, G.1000 and P.10/G.100; October 2026
  • Q5/12: PSTR.BCT-RRTP; E-meeting, 1 July 2026, 16:00-17:00 CEST
  • Q5/12: P.BCT, PSTR.BCT-RRTP, PSTR.RT4, P.57, PSTR.TBT4; E-meeting, 7 October 2026, 16:00-19:00 CEST
  • Q5/12: P.BCT, PSTR.BCT-RRTP, PSTR.RT4, P.57, PSTR.TBT4; E-meeting, 9 December 2026, 16:00-18:00 CET
  • Qs 7 & 10/12: Joint monthly e-meetings; First Tuesday of the month, 13:00-14:00 CET / CEST
  • Qs 7 & 15/12: P.PTQ & P.AI-MOS; E-meeting, 13 October 2026, 13:00-14:00 CEST
  • Q10/12: P.XRT; E-meeting, 15 September 2026, 10:00-12:00 CEST
  • Q10/12: P.XRT; E-meeting, 15 October 2026, 10:00-12:00 CEST
  • Q12/12: E.806; E-meeting, Last Tuesday of the month, 16:00-17:00 CET/CEST (September, October, November) 
  • Q12/12: ESTR.SatQual; E-meeting, Last Wednesday of the month, 16:00-17:00 CET/CEST (September, October, November) 
  • Q12/12: E.AIQ; Two E-meetings, date / time TBA 
  • Q12/12: All Q12/12 work items; E-meeting, 3 December 2026, 16:00-17:00 CET
  • (TBC) Qs 13 & 14/12: All Q13 & 14/12 work items; Aachen, Germany, 5-7 October 2026
  • Q14/12: Weekly e-meetings; Fridays, 11:00-12:00 CET / CEST
  • Q14/12: P.BBQCG project - Bi-weekly e-meetings; Dates and times announced on Q14/12 and P.BBQCG reflectors
  • Q15/12: All Q15/12 work items; E-meeting, Week of 26 October 2026
  • Q19/12: All Q19/12 work items; November or December 2026 (during VQEG)
  • Q20/12: All Q20/12 work items; E-meetings, Second Wednesday of the month from August, 10:00-11:00 CET/CEST
​Meetings of Study Group 12 Regional Groups
  • (TBC) SG12RG-AFR: April 2027 (with workshop)
  • (TBC) SG12RG-AMR: Guatemala City, 29 October 2026
  • (TBC) SG12RG-AP: Late 2026 (with workshop)

SG12 Workshops

  • TBC: With SG12-RG-AFR and SG12RG-AP 

Meetings of Intersector Rapporteur Group Audiovisual Quality Assessment (IRG AVQA)

  • (TBC) November or December 2026, in conjunction with VQEG and Q19/12 

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