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  1. REW Forum
    (SOLVED) Measuring one-third octave bands (ISO140-4) Hi there! I've been tasked with measuring the effectiveness of the sound insulation in my studio. The measurements must beet the standards of ISO140-4, and have to be done in third-octave bands. Is REW able to measure SPL in third-octave...
  2. REW Forum
    When taking a RTA measurement in REW you have the choice of taking spectrum measurements (power/hz) or various fractional octave measurements (ie 1/12 RTA). It is impossible to ever compare the graphs of the two due to the different units, though it is mathematically possible to convert at least...
  3. REW Forum
    How fractional octave (e.g. 1/12) smoothing is done in REW? Is it by a Butterworth filter or brick wall filter?
  4. REW Forum
    :wave: Is there a way to adjust the octave band frequency limits that are used by REW for calculating and reporting sounds levels (measured with the RTA in the REW software)? I am a new user of REW software and am impressed with the many details included. However, I may have missed something...
  5. REW Forum
    Hello, i am a new user for REW. I just need to know why I am having a big difference in dB level between the 1/1 octave option and spectrum option despite of choosing the option within one environment. as you can see thru the graphs attached, when I choose the spectrum option of RTA, the...
  6. REW Forum
    To my dismay I downloaded the full 5.0 release and this octave choice is not in "Options" any more. How come? Or is it some where else?
  7. Two Channel Audio
    Dynaudio To Distribute Octave Audio Electronics in the United States and Canada * May 9, 2009 Dynaudio North America recently announced that it has been appointed as the distributor for Octave Audio for the USA and Canada. Octave Audio, based in Karslbad-Ittersbach Germany, has been...
  8. Electronic Processing/Equalization Devices
    I am modeling a small sealed sub that would fit inside my Ikea Expedit bookcase. The hole is 13.25"x13.25" I already have 1 Dayton DVC 10" driver so I figured I'd pick another one up. Not the idea drivers but a neat little experiment non the less. I was researching building an LT for this...
  9. SPL Meters | Mic's | Calibration | Sound Cards
    Hello everybody. Two weeks ago I bought a ecm8000. I compared this mic to a B&K omni, and a clio mic on a clio system. I used the cal file posted on this Forum. I noticed a large error in the 6 to 10K range with the ecm8000. ( 3 db or more boost on ecm8000) I tried another cal file posted on a...
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