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Author Topic: Quality in the theaters. V.V.Tushit Vijay Film Handler Posts: 54 From: Tenali, Andhra Pradesh, India Registered: Oct 2009 posted 07-04-2011 02:29 PM                     Hello Friends, How many of you are maintaining the SPL . in correct format. And is the Recordist working correctly for the movie he records. And all the studoes are sounding great. Is there any person using such type of SPL reaadings . 92 for L,C,R 96 for Surround Each 102 for Subwoofer these things are happened in south india. you think that these are correct. ???? But here the clints says he is correct and he earns more clints. and they says i am wrong for working correctly and making the levels to be standard. such cases is that the problem creats in studio ??? But the recording comes from a dolby authorised studio .  |  IP: Logged Monte L Fullmer Film God Posts: 8367 From: Nampa, Idaho, USA Registered: Nov 2004 posted 07-04-2011 04:23 PM                     Dolby recommended settings are: (with the SPL meter in "C" pressure weighting) with fader set at "7" LCR 85dB Surrounds 82dB Subs 90 dB Looks like those posted settings are a bit hot due to the fader being set lower.  |  IP: Logged Manny Knowles "What are these things and WHY are they BLUE???" Posts: 4247 From: Bloomington, IN, USA Registered: Feb 2002 posted 07-04-2011 06:32 PM                     Subwoofer is supposed to be set with an RTA, not an SPL meter. +10dB in-band gain, relative to center channel.  |  IP: Logged Louis Bornwasser Film God Posts: 4441 From: prospect ky usa Registered: Mar 2005 posted 07-04-2011 09:02 PM                        Quite clear, especially in CP-50, 55, & 65 manuals. Louis  |  IP: Logged Richard May Phenomenal Film Handler Posts: 1057 From: Floral Park, NY USA Registered: Aug 2004 posted 07-06-2011 09:37 AM                     If I'm correct, surrounds vary slightly with one or two of the Dolby processors. Also, the +10db sub I think is for digital only.  |  IP: Logged Louis Bornwasser Film God Posts: 4441 From: prospect ky usa Registered: Mar 2005 posted 07-06-2011 10:24 AM                        85 db for lcr and left/right surrounds. 88 db for mono subs. Each of us has his own variation. I set all surround channels 2 db hot. (fewer complaints that way.) Louis  |  IP: Logged Manny Knowles "What are these things and WHY are they BLUE???" Posts: 4247 From: Bloomington, IN, USA Registered: Feb 2002 posted 07-06-2011 01:40 PM                     In-band gain setting for the sub is indeed for digital. Analog sub still needs to be set with the RTA, while monitoring Center channel (and not just an SPL meter). For analog, I like to use the Dolby Cat 151 test film to hear the result. The Jiffy test film does a sweep of pink noise around the room, which is also handy. While we're at it - SPL meter should be set for C-weighting *and* slow response.  |  IP: Logged

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