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Voluntary Standards cover audio systems and resistance welding.

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December 2, 2009 - Intended for AV presentation systems containing audio within enclosed environment, ANSI/InfoComm 1M-2009 outlines procedure to measure uniformity of audio coverage across audible frequency spectrum, and provides criteria for use in designing and commissioning audio systems. ANSI/AWS C1.4M/C1.4-2009 establishes welding equipment requirements and welding procedures for coated and uncoated carbon and low-alloy steels, including mild steels and high strength low-alloy steels.

Voluntary Standards Cover the Spectrum: from Audio Systems to Resistance Welding


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American National Standards Institute (ANSI)
11 West 42nd St., 13th Flr.
New York, NY, 10036
USA



Press release date: November 24, 2009

In an effort to communicate the vital role that standards play in daily life, the American National Standards Institute (ANSI) will publish, on an ongoing basis, a series of snapshots of the diverse standards initiatives undertaken in the global and national standards arena, many of which are performed by ANSI members and ANSI-accredited standards developers. Two of the latest selections follow:

Audio Systems
From front row center all the way to the nosebleed seats, public address and audio-visual (AV) systems are used at professional conferences, theaters, sporting events, and numerous other venues to ensure that all listeners can hear the amplified audio at the same sound level.

A recently released American National Standard from ANSI organizational member and accredited standards developer InfoComm International outlines a procedure to measure the uniformity of audio coverage across the audible frequency spectrum, and provides the criteria for use in designing and commissioning audio systems. ANSI/InfoComm 1M-2009, Audio Coverage Uniformity in Enclosed Listener Areas - InfoComm International Performance Standard, seeks to achieve consistent coverage in the listening area for both speech reinforcement and program audio. It is intended to be used primarily for AV presentation systems containing audio within an enclosed environment such as conference rooms, training rooms, classrooms, auditoriums, and museums, as well as large venue audio systems.

InfoComm is a nonprofit membership association serving the professional AV communications industry worldwide. Through tradeshows, education, certification, government relations, outreach, and information services, InfoComm promotes the AV industry and represents members including manufacturers, systems integrators, dealers and distributors, independent consultants, programmers, rental and staging companies, end users, and multimedia professionals from more than 80 countries.

Resistance Welding
Resistance welding refers to a group of welding processes called spot, seam, and projection, which are used to bond two or more metal surfaces by electric current and mechanical pressure. Weld electrodes conduct the electric current to the two pieces of metal as they are forged together under heat and pressure. These welding techniques are applied in various technologies including cars, trucks, trains, cranes, bridges, roller coasters, aerospace, medical instruments, and nuclear equipment.

ANSI/AWS C1.4M/C1.4-2009, Specification for Resistance Welding of Carbon and Low-Alloy Steels, is a new standard from the American Welding Society (AWS) that establishes welding equipment requirements and welding procedures for coated and uncoated carbon and low-alloy steels, including mild steels and high strength low-alloy (HSLA) steels. This American National Standard also provides specifications for the shear strength and weld button diameter requirements for carbon steel and low-alloy steel sheet resistance and projection welds.

AWS, an ANSI organizational member and accredited standards developer, is a nonprofit organization working to advance the science, technology, and application of welding and allied joining and cutting processes including brazing, soldering, thermal spraying, ceramics, lamination, and robotics. AWS membership includes engineers, scientists, educators, researchers, welders, inspectors, welding foremen, business executives, and sales associates.
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