Notes from 8-27-07 meeting

Notes from 8-27-07 meeting

RESOLUTIONS

The following 4 resolutions were made at the 8-27-07 Telecom meeting

All are edits to the current Aug 17 EWG draft

(1) * NEW WORDING FOR 2.2 A Magnetic coupling

PROPOSED NEW LANGUAGE

• NEW 2.2 A Magnetic coupling - Products that deliver output with an audio transducer, which is normally held up to the ear, must provide a means for effective magnetic wireless coupling to hearing technologies that allows a user to effectively utilize the product. This does not apply to headphone, headset and other accessories that plug into a jack on the product.

(2) Definition of General and Red Flash

ADD A NEW NOTE:

NOTE 1: Flashing that is less than 3 per second or greater than 50 hz automatically passes(see #1 and #2 above)

(move existing Note 1 to Note 2)

(3) 1.2 D Pass through

REMOVE the following two paragraphs.

Note: Only phones that are passing text signals onto another device e.g. TTY, would be subject to this provision

Discussion or Rationale: for PSTN this would be TIA/EIA 825 Baudot. There is also the question to be resolved: If this regulation were adopted, would products such as a simple voice-only office intercom system or basic voice-only walkie-talkie be regarded as non-compliant? Or would they be exempt because there is no text communication standard for those platforms?

(4) 2.2D Volume

change first bullet of 2.2 D to

"For products LOCATED in a public place, the maximum volume level must be at least 80 dB SPL RMS, measured at xx centimeters from the device at maximum volume setting [possible without XXX distortion]."

Note: Obviously the provision should still remain " in progress"

.

NOTES AND IDEAS

* 2.2 B INTERFERENCE

Three Versions

Version 1: Interference to hearing technologies (including hearing aids, cochlear implants, and assistive listening devices) must be reduced to the lowest possible level that allows a user of hearing technologies to utilize the telecommunications product.

Version 2: Potential sources of interference to hearing technologies (including hearing aids, cochlear implants, and assistive listening devices) must be reduced as much as possible to provide a more compatible environment for a user of hearing technologies to utilize the telecommunications product.

Version 3: Interference to hearing technologies (including hearing aids, cochlear implants, and assistive listening devices) must be reduced to the lowest possible level. The interface level must allow a user of hearing technologies to utilize the telecommunications product.

Problem with all of the above is that there is no criterion for how immune a phone should be in measurable terms. There are hearing aids that are so poor that one could never have a transmitting device near them. So that cant be met. One idea was to meet a standard (see version 4 below) but that would make this specific to particular transmitting technologies since they are all tied to frequency bands and the transmission pulse rate.

Version 4: Interference to hearing technologies (including hearing aids, cochlear implants, and assistive listening devices) must be reduced to the lowest possible level. The interface level must allow a user of hearing technologies that meet XYZ standard to utilize the telecommunications product.