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Jack Edwards
Jack Edwards

The Benefits and Features of ARTA Audio Measurement And Analysis Software V1.8.2 Incl Keygen-

ARTA Audio Measurement And Analysis SoftwareARTA software - a collection of programs for audio measurements and analysis in acoustical and communication systems. ARTA software uses standard and professional PC sound cards and interfaces for audio signal acquisition and generation.The ARTA software consists of following programs:-ARTA - program for the impulse response measurement and for real-time spectrum analysis and frequency response measurements.-STEPS - program for frequency response measurements with stepped-sine excitation.

ARTA Audio Measurement And Analysis Software V1.8.2 Incl Keygen-

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Smaart (System Measurement Acoustical Analysis in Real Time) is a suite of audio and acoustical measurements and instrumentation software tools[1] introduced in 1996 by JBL's professional audio division. It is designed to help the live sound engineer optimize sound reinforcement systems before public performance and actively monitor acoustical parameters in real time while an audio system is in use. Most earlier analysis systems required specific test signals sent through the sound system, ones that would be unpleasant for the audience to hear. Smaart is a source-independent analyzer and therefore will work effectively with a variety of test signals including speech or music.

Smaart is based on real-time fast Fourier transform (FFT) analysis, including dual-FFT audio signal comparison, called "transfer function", and single-FFT spectrum analyzer.[3] It includes maximum length sequence (MLS) analysis as a choice for impulse response, for the measurement of room acoustics. The FFT implementation of Smaart includes a proprietary multi-time window (MTW) selection in which the FFT, rather than being a fixed length, is made increasingly shorter as the frequency increases.[4] This feature allows the software to 'ignore' later signal reflections from walls and other surfaces, increasing in coherence as the audio frequency increases.[4]

The latest version of Smaart 8 runs under Windows 7 or newer, and Mac OSX 10.7 or newer, including 32- and 64-bit versions. A computer having a dual-core processor with a clock rate of at least 2 GHz is recommended.[5] Smaart can be set to sample rates of 44.1 kHz, 48 kHz or 96 kHz, and to bit depths of 16 or 24. The software works with computer audio protocols ASIO, Core Audio, WAV or WDM audio drivers.[6]

Transfer function measurements can also be used to examine the frequency response of audio equipment, including individual amplifiers, loudspeakers and digital signal processors such as audio crossovers and equalizers. It can be used to compare a known neutral-response test microphone with another microphone in order to better understand its frequency response and, by changing the angle of the microphone under test, its polar response.[8]

Smaart can be used to find the delay time between two signals, in which case the computer needs two input channels and the software uses a transfer function measurement engine. Called "Delay Locator", the software calculates the impulse responses of two continuous audio signals, finding the similarities in the signals and measuring how much time has elapsed between them. This is used to set delay times for delay towers at large outdoor sound systems, and it is used to set delay times for other loudspeaker zones in smaller systems.[10] Veteran Van Halen touring sound engineer Jim Yakabuski calls such delay locator programs as Smaart a "must have" item,[11] useful for quickly aligning sound system elements when setup time is limited.[12]

As early as 1978, field analysis of rock concert audio was undertaken by Don Pearson, known by his nickname "Dr. Don", while working on sound systems used by the Grateful Dead. Pearson published articles about impulse response measurements taken during setup and testing of concert sound systems, and recommended the Dead buy an expensive Brüel & Kjær 2032 Dual Channel FFT analyzer, made for industrial engineering. Along with Dead audio engineer Dan Healy, Pearson developed methods of working with this system to set up sound systems on tour, and he assisted Meyer engineers working on a more suitable source-independent measurement system which was to become their SIM product.[17] As well, Pearson had an "intimate involvement" with the engineers who were creating Smaart,[17] including a meeting with Jamie Anderson.[18]

Smaart was developed by Sam Berkow in association with Alexander "Thorny" Yuill-Thornton II, touring sound engineer with Luciano Pavarotti and The Three Tenors.[13] In 1995, Berkow and Thorny founded SIA Software Company, produced Smaart and licensed the product to JBL.[19] First exhibited in New York City at the Audio Engineering Society's 99th convention in October 1995 and described the next month in Billboard magazine,[20] in May 1996 the software product was introduced at the price of $695, the equivalent of $1,201 in today's currency.[21] Studio Sound magazine described Smaart in 1996 as "the most talked about new product" at the 100th AES convention in Copenhagen, exemplifying a new trend in software audio measurement.[22] Calvert Dayton joined SIA Software in 1996 as graphic designer, technical writer and website programmer.[19]


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