NOTE: The Personal PA® FM Listening System is approved by the FCC for operation in U.S. markets. The system cannot be used in all countries....
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Williams Sound PPA 457 NET PRO PERSONAL PA® PRO FM ASSISTIVE LISTENING SYSTEM
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8.1 Objective
Minimally acceptable Speech Transmission Index (STI) level, 3. Minimally acceptable signal-to-noise ratio for internally generated noise, and 4....
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Williams Sound: PPA T46 Transmitter Video
Williams Sound FM PPA T46 body pack transmitter....
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Williams Sound FM ADA KIT 1 - Large-Area Value Kit
The Williams Sound FM ADA Kit 1 is a convenient and economical solution for satisfying these requirements....
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Williams Sound PPA 458 NET PERSONAL PA® FM ASSISTIVE LISTENING SYSTEM
Check with your government radio regulations for 72-76 MHz operation....
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Williams Sound PPA 458 NET PRO PERSONAL PA® PRO FM ASSISTIVE LISTENING SYSTEM
Check with your government radio regulations for 72-76 MHz operation. NOTE: Approved by the FCC for operation in U.S. markets. The system cannot be used in all countries....
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Williams Sound PPA 458 PERSONAL PA® FM ASSISTIVE LISTENING SYSTEM
Check with your government radio regulations for 72-76 MHz operation....
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Williams Sound PPA 457 PERSONAL PA® FM ASSISTIVE LISTENING SYSTEM
Check with your government radio regulations for 72-76 MHz operation....
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Williams Sound PPA 457 NET PERSONAL PA® FM ASSISTIVE LISTENING SYSTEM
Check with your government radio regulations for 72-76 MHz operation....
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8.3 Results and Discussion
Median listener ratings for the FM Teleloop Noise condition Signal to Noise Ratio in dB Table 5....
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8.2.2 Stimuli
Speech Transmission Index (STI) measurements were made immediately following the recording of each sentence pair at each microphone location....
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Williams Sound PPA 458 PRO PERSONAL PA® PRO FM ASSISTIVE LISTENING SYSTEM
Check with your government radio regulations for 72-76 MHz operation....
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Williams Sound PPA 457 PRO PERSONAL PA® PRO FM ASSISTIVE LISTENING SYSTEM
Check with your government radio regulations for 72-76 MHz operation....
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EXECUTIVE SUMMARY
Electroacoustic Performance Standards: Recommendations That the speech signal meet or exceed a Speech Transmission Index (STI) of .84, measured at the earphones....
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Williams Sound: PPA T45NET Installation
The worlds first network controlled assistive listening - By Williams Sound
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Case Study #1: Auxiliary aids and services under Title II are different from special education and related services under the IDEA.
For the past three years, Tommy’s IEP Team, which includes Tommy’s parents, agreed that Tommy would use FM technology, which consists of a microphone held by the teacher and a receiver that...
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Williams Sound PPA VP 37 Personal PA® Value Pack System
Check with your government´s radio regulations for 72-76 MHz operation. Disclaimer: FCC rules limit use of this equipment to auditory assistance....
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Williams Sound - PPA T45NET Introduction
Introduction to the world's first network controlled assistive listening transmitter.
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Domino Pro Listening System with Earbuds and Headphones (BE8005)
The sound is then streamed over an encrypted wireless radio link from the transmitter to the receiver....
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How TTYs Work: Transmission Codes
How TTYs Work: Transmission Codes TTYs generate and receive text through tones similar to those of touch-tone phones....
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Alabama Radio Reading Service
LISTEN to the Alabama Radio Reading Service online: HERE Since 1978, the Alabama Radio Reading Service (ARRS) has served North Central Alabama’s blind and print-impaired community from...
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Sennheiser HDI 830 Two-Channel Stethoset Receiver for Wideband Transmission Systems
The HDI 830 is a professional two-channel stethoset receiver for wideband transmission systems (with carrier frequencies of 2.3 MHz and 2.8 MHz) in museums, theaters and churches....
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seca 664 Digital Wheelchair Scale with Wireless Transmission
Paperless and error-free wireless transmission of measurements....
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Assistive Listening Systems
This more direct transmission improves sound quality by reducing the effects of background noise and reverberation and, as needed, increasing the volume....
