However, I’ve had some luck performing relative measurements under less controlled conditions. Making an absolute measurement of a microphone or a loudspeaker traditionally requires a reflection-free, anechoic environment.
#Terrasonde the audio toolbox manual#
Toolbox users with the upgraded contractor’s software could use the 1/12-octave RTA and a pink-noise test tone and avoid the manual sync required by the previous example. When performing these asynchronous sweeps, make sure that the Toolbox’s sweep settings match the DAW’s test tone and start them together. I wanted to see how closely each plug-in’s response matched its GUI curve and how closely they matched each other with ostensibly identical settings. I then played these EQ’d tones into the Toolbox. I generated a 10-second tone on one of my DAWs and then made several EQ’d variations with different plug-ins. The Toolbox doesn’t have this feature however, I found a case in which the Toolbox’s lack of an input filter made it possible to make a DAW measurement that otherwise would have been difficult. Higher-end analyzers (such as the TEF) make swept-frequency measurements through a narrow-band input filter that tracks the sweep-generator frequency. By the way, Toolbox software Version 3.0 saves a more complete list of parameters than Version 2.5. Now all your settings - such as sweep-generator output level, start/stop frequencies and sweep duration - will be waiting for you the next time you’re ready to work. In the Utility Functions page, select “Setup & Calibration.” Under “Save Defaults,” scroll the knob to “Store Settings Save” and click. Fortunately, there is a way to save all settings in nonvolatile memory.
The Audio Toolbox has a lot of adjustable parameters tucked within its various screens, but these reset to their default values when the unit is power-cycled. So, when you get your hands on this spiffy little box, think before you measure - especially when loudspeakers and microphones are involved! It’s up to you to formulate your questions and then interpret the results. It packs a fantastic assortment of acoustic and electronic measurement capability into a handy package, but, alas, it won’t transform you into an acoustician any more than my $20 VOM turned me into an electronics whiz.Īnalyzers give you data depending on the questions you ask. You might have the same experience today with the Terrasonde Audio Toolbox. I assumed its manual would teach me to fix stuff, but the tiny pamphlet left me none the wiser in the ways of electronics. Great source for acoustics background information.I bought my first piece of test equipment in 1975 - a Micronta volt-ohm meter from the local Radio Shack. They also offer some really neat downloadable wallpapers (free) Manufacturers of “Sample Champion Version 2.0” – very nice acoustical analysis software with surprising functionality. Manufacturers of the LMS Loudspeaker Measurement System softwareĭevelopers of Jade environmental noise monitoring and dataloging software Manufacturers of noise dosimeters, sound level meters etc.ĭevelopers of the IMP, IMP/M and Liberty Audiosuite audio analysis systems for loudspeaker and electronics designers Loudspeaker Acoustical Room Analyzer (LARA) Manufacturers of some neat little software products for various acoustical and electroacoustical applications – some of them freeware
#Terrasonde the audio toolbox plus#
Manufacturer of numerous audio / acoustical measurement devices plus owner of the TEF line of acoustical analyzers
Test Instruments for Industrial Applicationsĭevelopers of MLSSA acoustical measurement system Measurement microphones, sound level meters, analyzers etc. Below are some useful measurement and analysis tools–with relevant descriptions–that can be found on the web.ĭevelopers of Sabin andt Dirac acoustical software
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