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Smaart is a suite of audio and acoustical measurements and instrumentation software tools.^[1] Introduced in 1996 by JBL's pro audio division, Smaart was a revolution for audio engineers because it was the first piece of measurement software that was available at a relatively low-price. It was designed to help the live sound engineer optimize sound reinforcement systemsduring the public performance unlike most earlier analysis systems which required specific test signals sent to the sound system, ones which would be unpleasant for the audience to hear. It is also intended to assist audio engineers in analyzing the output of loudspeakers, audio amplifiers and other audio gear, as well as helping the acoustician analyze room acoustics. The product has been known as JBL-Smaart, SIA-Smaart Pro, EAW Smaart, SmaartLive, and simply Smaart. An acoustician version has been offered as Smaart Acoustic Tools. Smaart is an acronym which stands for sound measurement acoustical analysis real time.^[2]

• Smaart v7 is a completely new code base developed from the ground-up. By starting with a clean slate, we have been able to reconsider, revise and improve all areas of the program, from the program’s fundamental architecture through to the details of the control interface.
• Download smaart 7 full version for free. Multimedia tools downloads - Smaart v7 Di by Rational Acoustics, LLC and many more programs are available for instant and free download.

Smaart 7 Windows 10 Upgrade

Smaart has three modes: transfer function, real-time analyzer (RTA) and impulse response. The first two modes use dual- and single-fast Fourier transform (FFT), and the impulse response mode uses either FFT or maximum length sequence (MLS) analysis.

Smaart has been licensed and owned by several companies since JBL, and is now owned and developed by Rational Acoustics. First written as a native Windows 3.1 application to work within Windows 95 on IBM-compatible computers,^[3] in 2006 a version was introduced that was compatible on both Windows and Apple Macintosh operating systems. In March 2016 Smaart was in its 8th version.

• 1Use

Use[edit]

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.^[4] It includes maximum length sequence (MLS) analysis as a choice for impulse response, for the measurement of room acoustics. The FFT implementation of Smaart is a multi-time window (MTW) solution in which the FFT, rather than being a fixed length, is made increasingly shorter as the frequency increases.^[5] This feature allows the software to 'ignore' later signal reflections from walls and other surfaces, increasing in coherence as the audio frequency increases.^[5]

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.^[6] 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.^[7]

Transfer function[edit]

Smaart's transfer function requires a stereo input to the computer because it analyzes two channels of audio signal. Using its dual-FFT mode, Smaart compares one channel with the other to show the difference. This is used by live sound engineers to set up concert sound systems before a show and to monitor and adjust these systems during the performance. The first channel of audio undergoing analysis is connected directly from one of the main outputs of the mixing console and the second channel is connected to a microphone placed in the audience listening area, usually an omnidirectional test microphone with a flat, neutral pickup characteristic. The direct mixing console audio output is compared with the microphone input to determine how the sound is changed by the sound system elements such as loudspeakers and amplifiers, and by the room acoustics indoors or by the weather conditions and acoustic environment outdoors. Smaart displays the difference between the intended sound from the mixer and the received sound at the microphone, and this real-time display informs the audio engineer's decisions regarding delay times, equalization and other sound system adjustment parameters.

Before the audience arrives, random or pseudo-random noise is used as a stimulus signal, usually pink noise.^[4] Such noise signals provide equal energy at each octave of the audio frequency range that the sound system can reproduce, unlike a stimulus signal of music or speech which emphasizes some frequencies over others. Once the audience enters the performance venue, the main output of the mixing console is substituted as the stimulus signal.

Transfer mode 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]

Transfer mode can be used to adjust audio crossover settings for multi-way loudspeakers; similarly, it can be used to adjust only the subwoofer-to-top box crossover characteristics in a sound system where the main, non-subwoofer loudspeakers are flown or rigged but the subwoofers are placed on the ground. One of the traces in the Smaart display shows phase response. To properly align adjacent frequency bands through a crossover, the two phase responses should be adjusted until they are seen in Smaart to be parallel through the crossover frequency.^[8]

The transfer mode can be used to measure frequency-related electrical impedance, one of the electrical characteristics of dynamic loudspeakers. Grateful Dead sound system engineer 'Dr. Don' Pearson worked out the method in 2000, using Smaart to compare the voltage drop through a simple resistor between a loudspeaker and a random noise generator.^[9]

Real-time analyzer[edit]

In Spectrograph mode, Smaart displays a real-time spectrum analysis, showing the relative strength of audio frequencies for one audio signal. Needing only one channel of audio input, this capability can be used for a variety of purposes. With Smaart's input connected to the mixing console's pre-fade listen (PFL) or cue bus, Spectrograph mode can display the frequency response of individual channels, several selected channels, or various mixes.^[8] Spectrograph mode can be used to display room resonances: pink noise is applied to the room's sound system, and the signal from a test microphone in the room is displayed on Smaart. When the pink noise is muted, the display shows the lingering tails of noise frequencies that are resonating.^[8]

Impulse response[edit]

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 dual-FFT mode. 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]

Market[edit]

Smaart is primarily aimed at sound system operators to assist them in setting up and tuning sound systems. Other users include audio equipment designers and architectural acousticians. Author and sound engineer Bob McCarthy wrote in 2007 that because of Smaart's widespread acceptance at all levels of live sound mixing, the paradigm has reversed from the 1980s one of surprise at finding scientific tools in the concert sound scene to one of surprise if the observer finds that such tools are not being used to tune a sound system.^[13]

Smaart has been compared to other software-based sound system measurement tools such as SIM by Meyer Sound Laboratories and IASYS by Audio Control, both of which offer delay finder tools.^[11] Smaart has been described as 'a newer, slimmer and much cheaper—but not necessarily better—version of the Meyer SIM system.'^[11]MLSSA, developed by DRA Laboratories in 1987, and TEF, a time delay spectrometry product by Gold Line, are other products predating Smaart that are used to tune loudspeakers such as studio monitors.^[14] A software tool that reached Mac users in 1997 was named SpectraFoo, by Metric Halo.^[15] At the same time, some early Smaart users found that after tweaking their MIDI drivers they could get Smaart to work on an Apple computer, the software running inside an x86 emulator such as SoftWindows 'with varying results'.^[16]

History[edit]

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 soundman 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 $1,110 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]

Smaart was unusual because it helped audio professionals such as theatrical sound designers do what was previously possible only with highly sophisticated and expensive measurement devices.^[23] Audio system engineers from Clair Brothers used Smaart to tune the sound system at each stop during U2's PopMart Tour 1997–1998.^[24] As it increased in popularity, engineers who used Smaart found mixed results: touring veteran Doug Fowler wrote that 'misuse was rampant' when the software first started appearing in the field.^[25] He warned users against faulty interpretation, saying 'I still see bad decisions based on bad data, or bad decisions based on a fundamental lack of understanding of the issues at hand.'^[25] Nevertheless, Clive Young, editor of Pro Sound News, wrote in 2005 that the introduction of Smaart in 1995 was the start of 'the modern era of sound reinforcement system analysis software'.^[15]

In 1998, JBL Smaart Pro won the TEC Awards category for computer software and peripherals.^[26]Eastern Acoustic Works (EAW) bought SIA Software, and brought in Jamie Anderson to manage the division.^[18] Version 3 was introduced under EAW's ownership,^[1] with the additional capability of accepting optional plug-ins which could be used to apply sound system adjustments, as measured by Smaart, to digital signal processing (DSP) equipment. The external third party DSP would perform the corrections indicated by Smaart.

Versions 4 and 5 were built upon the foundation of version 3, but with each major release, the application was getting more and more difficult to write, and further improvements appeared practically impossible to implement. For version 6, the designers decided to tear Smaart back down to its basics and rebuild it on a flexible multi-tasking, multi-platform framework which would allow it to be used on Mac OS Xand Windows machines. Writing it took two years, and it was released in a package which included the earlier version 5 because there was not enough time to incorporate all elements of the existing feature set.^[1] Anderson said in 2007, 'we released Version 6 without all of the features of 5, but we are adding those features back in.'^[1] Smaart 6 was nominated for a TEC Award in 2007 but did not win.^[27]

Windows 10 Iso

EAW developed a digital mixing console prototype in 2005, the UMX.96; a console which incorporated SmaartLive 5 internally.^[28] Any selected channel on the mixer could be used as a source for Smaart analysis, displaying, for instance, the real-time results of channel equalization.^[28] The console could be configured to send multiple microphone inputs to Smaart, and it offered constant metering of sound pressure level in decibels.^[29] When it was put into production in 2007, band engineer Don Dodge took the mixer out on a world tour with Foreigner, the first concert mixed in March 2007.^[30] With its 15-inch touchscreen able to serve both audio control and Smaart analysis functions,^[31] Dodge continued to mix Foreigner on it throughout 2007 and 2008.^[32]

Rational Acoustics was incorporated on April 1, 2008.^[18] On November 9, 2009, under the leadership of Jamie and Karen Anderson, programmer Adam Black and technical chief Calvert Dayton, Rational Acoustics became the full owner of the Smaart brand.^[33][34] Rational released Smaart 7 on April 14, 2010; a version which uses less processing power than v5 and v6 because of efficiencies brought about in the redesigned code.^[5] Smaart 7 was written using a new object-oriented code architecture, it was given improved data acquisition.^[5] Other new features include graphic user interface changes and delay tracking.^[5] Users can run simultaneously displayed real-time measurements in multiple windows, as many as their computer hardware will allow.^[5] Smaart 7 was nominated in 2010 for a TEC Award^[35] but did not win.^[36] In April 2011, Smaart 7 was named one of four Live Design Sound Products of the Year 2010–2011.^[37]

Version history[edit]

• May 1996 – JBL-Smaart 1.0
  • March 1997 – JBL-Smaart 1.4
• 1998 – SIA-Smaart Pro 2
• April 1999 – SIA-Smaart Pro 3
• 2000 – SIA SmaartLive 4
  • October 2000 – SIA SmaartLive 4.1
  • April 2001 – SIA SmaartLive 4.5
  • September 2001 – SIA SmaartLive 4.6
• June 2002 – SIA SmaartLive 5
  • October 2003 – SIA SmaartLive 5.3
• 2006 – EAW Smaart 6
• April 2010 – Smaart 7
  • October 2010 – Smaart 7.1
  • April 2011 – Smaart 7.2
  • July 2011 – Smaart 7.3
  • August 2012 - Smaart 7.4
  • April 2014 - Smaart 7.5
• March 2016 - Smaart 8.0
• November 2016 – Smaart 8.1
• December 2017 – Smaart 8.2

References[edit]

1. ^ ^abcdSlaton, Shannon (August 1, 2007). 'Sound Product of the Month: EAW Smaart Software'. LiveDesign. Penton Media. Archived from the original on March 22, 2011. Retrieved January 8, 2011.Cite uses deprecated parameter |deadurl= (help)
2. ^McCarthy, Bob (2007). Sound Systems: Design and Optimization. Focal Press. p. 400. ISBN978-0-240-52020-9.
3. ^Berkow, Sam (November 19, 1996). 'JBL-Smaart: Answer Sheet!'(PDF). Retrieved January 8, 2011.
4. ^ ^ab'Smaart FAQ'. Products. Eastern Acoustic Works. 2009. Archived from the original on July 22, 2011. Retrieved January 8, 2011.Cite uses deprecated parameter |deadurl= (help)
5. ^ ^abcdefFrink, Mark (October 15, 2010). 'Inside The Numerous Improvements & Enhancements In Smaart v7 (and v7.1)'. Live Sound International. ProSoundWeb. Archived from the original on January 31, 2013. Retrieved January 9, 2011.
6. ^http://www.rationalacoustics.com/smaart/smaart-v8/
7. ^LaCerra, Steve (February 2011). 'Rational Acoustics Smaart v7.1'. FOH Online. Timeless Communications. Retrieved February 7, 2011.
8. ^ ^abcdBrill, Harry, Jr (December 1, 2007). 'EAW Smaart Version 6'. Mix. Penton Media, Inc. Archived from the original on June 29, 2011. Retrieved January 8, 2011.Cite uses deprecated parameter |deadurl= (help)
9. ^Pearson, Don (2000). 'Impedance with Smaart'(PDF). Universal Concept Inc. Archived from the original(PDF) on March 16, 2012. Retrieved January 8, 2011.Cite uses deprecated parameter |deadurl= (help)
10. ^'Using The SIA-Smaart Pro Delay Locator'(PDF). SIA-Smaart Pro Technical Notes. SIA Software Company. Retrieved January 8, 2011.
11. ^ ^abcYakabuski, Jim (2001). Professional sound reinforcement techniques: tips and tricks of a concert sound engineer. Mix Pro Audio. Hal Leonard Corporation. pp. 100, 105. ISBN1-931140-06-5.
12. ^Leonard, John A. (2003). Theatre Sound. Theatre Arts. Psychology Press. p. 130. ISBN0-87830-116-X.
13. ^ ^abMcCarthy, 2007, p. xiii
14. ^Bartlett, Bruce; Bartlett, Jenny (1999). On-location recording techniques. Focal Press. p. 55. ISBN0-240-80379-5.
15. ^ ^abYoung, Clive (December 1, 2005). 'System Analysis Software Comes of Age'. Pro Sound News.
16. ^Pearson, Don. 'Apples and Smaart 3.0: It works!'(PDF). Smaart. Eastern Acoustic Works. Archived from the original(PDF) on July 22, 2011. Retrieved January 9, 2011.Cite uses deprecated parameter |deadurl= (help)
17. ^ ^abThe O, Larry (March 2006). 'In Memoriam: Don Pearson 1942–2006'(PDF). Journal of the Audio Engineering Society. 54 (3): 245–246.
18. ^ ^abc'His Excellence Jamie Anderson: Instructor Guy and SysTweak'. Staff Directory Entry. Rational Acoustics. Retrieved January 8, 2011.
19. ^ ^ab'SIA Software Company, Inc'. SIA Software Company, Inc. 1997. Archived from the original on March 1, 1997. Retrieved January 8, 2011.
20. ^'Newsline'. Billboard. Nielsen Business Media, Inc. 107 (47): 69. November 25, 1995. ISSN0006-2510.
21. ^Daley, Dan (October 19, 1996). 'JBL, 50, Refocuses in Order to Tackle Broadening Market'. Billboard. Nielsen Business Media, Inc. 108 (42): 54. ISSN0006-2510.
22. ^Studio Sound. Miller Freeman. 38 (1–6): 10. 1996.Missing or empty |title= (help)
23. ^Parker, Wilford Oren; Wolf, R. Craig; Block, Dick (2003). Scene design and stage lighting (8 ed.). Thomson/Wadsworth. p. 298. ISBN0-534-25985-5.
24. ^Young, Clive (2004). Crank it up: live sound secrets of the top tour engineers. Hal Leonard Corporation. p. 60. ISBN0-87930-778-1.
25. ^ ^abMcCarthy, 2007, p. 371
26. ^'1998 TEC Awards: Nominees and Winners'. TEC Awards. TEC Foundation. Archived from the original on January 9, 2011. Retrieved January 9, 2011.Cite uses deprecated parameter |deadurl= (help)
27. ^'2007 Nominees for Outstanding Technical Achievement'. TEC Awards. TEC Foundation. Archived from the original on July 16, 2011. Retrieved January 9, 2011.Cite uses deprecated parameter |deadurl= (help)
28. ^ ^ab'AES Product News-EAW UMX.96'. Mix. Penton Media, Inc. October 27, 2005. Archived from the original on April 11, 2011.Cite uses deprecated parameter |deadurl= (help)
29. ^'EAW UMX.96: Preliminary specs'(PDF). EAW. Archived from the original(PDF) on July 22, 2011. Retrieved January 19, 2011.Cite uses deprecated parameter |deadurl= (help)
30. ^'First Live Application Of New EAW UMX.96 Digital Console'. Front Row. EAW. March 2007. Archived from the original on September 2, 2010. Retrieved January 19, 2011.Cite uses deprecated parameter |deadurl= (help)
31. ^'EAW UMX.96 console gets world debut with Foreigner'. Audio Pro International. Intent Media. December 10, 2007. Retrieved January 20, 2011.
32. ^'Foreigner Tours With EAW UMX.96 Digital Desk'. Pro Sound News. June 4, 2008. Archived from the original on September 9, 2012.Cite uses deprecated parameter |dead-url= (help)
33. ^'Smaart Landing Page'. Rational Acoustics. November 17, 2009. Retrieved January 8, 2011.
34. ^'Rational Gets Smaart'. Eastern Acoustic Works. Archived from the original on 2011-07-22.Cite uses deprecated parameter |deadurl= (help)
35. ^'26th Annual TEC Awards Nominees Outstanding Technical Achievement'. TEC Awards. TEC Foundation. Archived from the original on September 13, 2010. Retrieved January 9, 2011.Cite uses deprecated parameter |deadurl= (help)
36. ^'26th Annual TEC Awards Winners'. TEC Awards. TEC Foundation. Archived from the original on January 18, 2011. Retrieved January 17, 2011.Cite uses deprecated parameter |deadurl= (help)
37. ^'Live Design Sound Products Of The Year Announced: Rational Acoustics, Meyer Sound, Duck's Echo Sound, and Audinate come up winners'. Live Design Online. Penton Media. April 20, 2011. Retrieved April 20, 2011.

External links[edit]

Smaart 7 Windows 10 Compatibility

• Smaart Basics: Example System Overview, video with Jamie Anderson
• Sam Berkow NAMM Oral History Interview (2011)

Windows 10 Download