Recommendation: Alarms with a periodic element to the signal, such as single stroke bells, hi-low, and fast whoop, are considered more effective than those with continuous or reverberating...
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Audible Alarms [4.28.2]
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Paragraph (b) (Advisory Guidance)
Individuals using audio peripheral devices such as amplifiers, telecoil adapters, or direct-connection into a hearing aid need a standard, noise free way to tap into the audio generated...
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Issue 6: Is there a metric for the ratio of scotopic/photopic interactions?
Question by [Participant]: Are glare and contrast parameters synonymous for design and optometric use? (This question may lead to a major gap in scientific information.)
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NFPA: ADA Standard Section 105.2.5
Section 105.2.5 of the ADA Standards cover references to the National Fire Protection Association (NFPA).
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2.1.2.3 New York State Standards
Given a 1000 Hz signal at a level equal to the long-time average level of speech, the average value of the magnetic field should be 100 mA/meter +/- 3 dB between 100 to 8000 Hz, with a maximum...
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Calculation of Percentages: ADA Standard Section 104.2
Section 104.2 of the ADA Standards covers the most current information on the calculation of percentages in the ADA Standards.
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11B-104.2 Calculation of percentages
Where the required number of elements or facilities to be provided is determined by calculations of ratios or percentages and remainders or fractions result, the next greater whole number...
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407.4.8.2.2 Signal Level
The verbal annunciator shall be 10 dB minimum above ambient, but shall not exceed 80 dB, measured at the annunciator.
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407.4.8.2.2 Signal Level
The verbal annunciator shall be 10 dB minimum above ambient, but shall not exceed 80 dB, measured at the annunciator.
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411 Audible Signals
[See subsections ...]
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Costs to Provide Pedestrian Activated Signals at Roundabouts with Multi-Lane Pedestrian Street Crossings (Section-by-Section Analysis)
Costs to Provide Pedestrian Activated Signals at Roundabouts with Multi-Lane Pedestrian Street Crossings (Section-by-Section Analysis) The Volpe Center estimated the cost to provide pedestrian...
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3.1 Selecting the Appropriate Microphone
In order to ensure adequate signal strength and maximum speech intelligibility, microphone specifications should meet or exceed the specifications of the rest of the system components....
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C102.8.2 TIA 1083
TIA 825-A is the standard for TTY signals on the public switched telephone network interface (PSTN)....
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inLOOP Commercial Use Product Line 3000 Assistive Listening System
inLOOP Commercial Class D amplifiers have been professionally designed for use in applications where exceptional sound reproduction and signal clarity is imperative....
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Public Address Systems and Microphones
Also, it is highly recommended that the ALS signal processor and amplifier be separate from the public address system unit in order to maintain independent equalization and volume control...
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4.33.7* Types of Listening Systems
Assistive listening systems (ALS) are intended to augment standard public address and audio systems by providing signals which can be received directly by persons with special receivers...
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E102.8 Telecommunications Industry Association (TIA)
TIA 825-A is the standard for TTY signals on the public switched telephone network interface (PSTN)....
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inLOOP Commercial Use Product Line HD Assistive Listening System
Professional Grade inLOOP HD Class D amplifiers have been designed for use in applications where exceptional sound reproduction and signal clarity is imperative....
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11B-407.4.8.2.2 Signal level
The verbal annunciator shall be 10 dB minimum above ambient, but shall not exceed 80 dB, measured at the annunciator.
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11B-407.4.8.2.2 Signal level
The verbal annunciator shall be 10 dB minimum above ambient, but shall not exceed 80 dB, measured at the annunciator.
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11B-407.4.8.2.2 Signal level
The verbal annunciator shall be 10 dB minimum above ambient, but shall not exceed 80 dB, measured at the annunciator.
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Designing Sidewalks and Trails for Access, Part I of II: Review of Existing Guidelines and Practices
Source: U.S. Department of Transportation / Beneficial Designs, Inc. Document: 184 pages (1.67 MB PDF) Publication Date: July 1999 Sidewalks and trails serve as critical...
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inLOOP Personal inLOOP Assistive Listening System
This version of InLoop transmits a signal through a Personal inLOOP Pad that concentrates the signal in one area for one user....
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E102.8 TIA (Section-by-Section Analysis)
This is the standard for TTY signals on the public switched telephone network interface (PSTN)....
