[Tig] OT-Audio levels for theatrical use from digital post

[Joe Beirne]

85 dB is the reference sound pressure level for Dolby theatrical 
presentation: the equivalent level on the Dolby processor itself is 
7.0.


Joe Beirne




>
>
>I'm no expert in this area, but I was the post supervisor on a 
>theatrical trailer and when we mixed it at a reputable audio house in 
>LA the mixer kept referring to a specific audio number that was the 
>peak "legal" limit. It was not a db level on his mixer but a separate 
>numerical display (possibly a Dolby device). It's been about 5 years 
>so I can't recall perfectly, but it seemed like he had to keep the 
>level under "84" or something like that. Once again, I think there is 
>a standard, but I'm not sure what the actual number is or what the 
>reference is from.
>
>Steve Hullfish
>Chicago/producer
>
>
>On Jun 18, 2007, at 11:25 AM, Ted Langdell wrote:
>>
>>  A gentleman in another forum is seeking info on whether there are
>>  "standards he shouldn't be overlooking" when sending the audio he
>  just finished posting for a feature length documentary.

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