ITU-T Work Programme

[2017-2020] : [SG12] : [Q5/12]

[Declared patent(s)] - [Publication]

Work item:

P.57

Subject/title:

Artificial ears

Status:

Approved on 2021-06-13

Approval process:

AAP

Type of work item:

Recommendation

Version:

Rev.

Equivalent number:

Timing:

Liaison:

3GPP, ETSI

Supporting members:

Summary:

Recommendation ITU-T P.57 specifies the electro-acoustical characteristics of artificial ears to be used for telephonometric measurements. Four devices are specified: a telephone band type for measurements on traditional telephone sets, an insert earphone type, a type faithfully reproducing the characteristics of the human ear and a type faithfully reproducing the characteristics of the human ear including an average adult human ear canal.

Comment:

Reference(s):

[SG12-TD1501R1/GEN (2021-05)

]

Historic references:

Contact(s):

Lars Birger NIELSEN, Editor

ITU-T A.5 justification(s):

[Submit new A.5 justification

]
See guidelines for creating & submitting ITU-T A.5 justifications

First registration in the WP: 2021-05-13 15:24:45

Last update: 2021-05-14 10:19:21

Committed to connecting the world

ITU-T work programme

[2017-2020] : [SG12] : [Q5/12]

[Declared patent(s)] - [Publication]