Having seen this question asked nearly weekly, I have decided to post a few reference sites that can be used to calibrate your room for post.
First purchase a Radio Shack SPL meter # 33-4050(Analog). Then follow these links:
NEW UPDATED 12/12/2020
Dolby Pink Noise . Click on "The Dub Stage Dropbox" Link below
https://www.dropbox.com/s/u0wwhnbro0...Noise.wav?dl=0
This Dolby Link is UPDATED as of 12/12/2020
https://developer.dolby.com/globalas...ers-manual.pdf
Read the whole manual but go to Chapter 5 and read the whole chapter especially section 5.3 to learn how to take a correct measurement.
Then go to:
THIS IS JUST REVISED for 2013!!!!
Advanced Television Systems Comitee Inc.
ATSC Recomended Practice Techniques For Establishing and Maintaining Audio Loudnesss for Digital Television
Here is the Link:
http://atsc.org/wp-content/uploads/2...tice+A+85+2013
NEW 11-21-17 :
Here is a link to the just released ATSC 3.0 Audio Information.
Read up! Here comes Immersive Audio to you at home:
https://www.atsc.org/wp-content/uplo...o-Part-1-4.pdf
and here:
https://www.atsc.org
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This is New 3-16-13 HERE IS A NEW "ROOM CALIBRATION CHEAT SHEET LINK" from Danijel Milosevic
https://docs.google.com/document/d/1...iNw/edit?pli=1
Use the Dolby Pink Noise above.
And this on Dolby Room requirements link:
http://www.gearslutz.com/board/post-...uirements.html
and this new link:
http://www.aes.org/technical/documents/AESTD1001.pdf
and the latest Link for Music Mixing in 5.1: THIS IS A REVISED LINK
http://www2.grammy.com/PDFs/Recordin...rs/5_1_Rec.pdf
And this about Subwoofer Calibration:
http://www.film-tech.com/warehouse/m...TN99051701.pdf
Here is an interesting articles on "The X Curve"
http://www.hometheaterhifi.com/volum...es-6-2002.html
https://www.gearslutz.com/board/post...uirements.html
NEW AS OF APRIL 5, 2015
Another very interesting article from
Meyer Sound on "Calibrating Cinema Sound Systems"
https://studylib.net/doc/18607557/ca...-sound-systems
Between these links you should be ready to go.
Adding this to the original post.It is a link for finding your room modes.
Here it is:
http://www.realtraps.com/modecalc.htm
Keep these links to hand to your fellow Mixers.
REMEMBER.... MOST ROOMS ARE SMALL.
MOST PEOPLE SHOULD START BETWEEN 77 and 82 SPL NOT 85!!!
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Take Care,