ITU-T P.57 PDF

ITU-T P.57 PDF

Name:
ITU-T P.57 PDF

Published Date:
02/01/2021

Status:
[ Revised ]

Description:

Artificial ears

Publisher:
International Telecommunication Union-T

Document status:

Active

Format:

Electronic (PDF)

Delivery time:

10 minutes

Delivery time (for Russian version):

200 business days

SKU:

This Recommendation specifies the artificial ears for telephonometric use. Four types are recommended, covering the different transducers, types, sizes and technologies.

The methods of use of the artificial ears are outside the scope of this Recommendation; however, some general rules are provided about the application force and the positioning of transducers.

Edition :	21
Number of Pages :	106
Published :	02/01/2021

History

Published Date: 06/01/2021

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Artificial Ears - Series P: Telephone Transmission Quality Objective Measuring Apparatus

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