TIA Issues Call for Interest on new Project for Telecommunications, Communications Products, Receive Volume Control Requirements for Wireless (Mobile) Devices

Stakeholders Invited to Contact TIA Regarding Participation.

Arlington VA. (February 28,2023) – The Telecommunications Industry Association (TIA) TR-41 Engineering Committee on Performance and Accessibility for Communications Products has issued a call for interest for document TIA-5050-A, initially titled ” Telecommunications, Communications Products, Receive Volume Control Requirements for Wireless (Mobile) Devices”. TR-41 is developing guidelines in the area defined by the following scope: ” The project is to revise ANSI/TIA-5050 to become ANSI/TIA-5050-A.”

The scope of the revisions will be limited to the following:

• Conversational Gain requirements (test method was not questioned).
• SDNR requirements and test method (including possibly modifying the test methods and requirements to address distortion only instead of SDNR: refer to submission from John Bareham).
• Frequency response requirements (mask) (test method was not questioned).
• Noise (would be a new requirement and test method if SDNR test is changed to distortion only).
• Diffuse field conversion table/formula to use.
• If to add a maximum allowed conversational gain (noted that this may have implications for acoustic safety requirements, which TIA-TR-41 has historically not addressed for telecommunications devices’ performance standards).
• If to continue to include requirements addressed for hearing aid users and non-hearing aid users (it was noted that this may not have been included in the ATIS HAC Task Force FCC waiver request).
• Configurations for testing: Which codecs to test?
• Configurations for testing: Which audio bandwidths to test (NB, WB, SWB, FB)?

The stakeholders may include, but are not limited to: Manufacturers, users, distributors of wireless mobile devices.

TIA is actively seeking participation in these projects from the user and general interest communities.

For more information about TR-41 and how to participate in standards development with TIA, contact Teesha Jenkins at standards-process@tiaonline.org.

A major function of the Telecommunications Industry Association (TIA) is the writing and maintenance of voluntary industry standards and specifications. These activities are carried out by the volunteer members of TIA engineering committees. On the public engineering committee pages, users will find recent meeting reports, agendas and notices for upcoming meetings, as well as links to some of the most popular standards from each committee. TIA is accredited by the American National Standards Institute (ANSI).