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Re: Surround Sound Recording

Subject: Re: Surround Sound Recording
From: "Dan Dugan" dandugan_1999
Date: Mon Jan 5, 2015 9:19 pm ((PST))
> On Jan 3, 2015, at 10:31 AM, Steve Sergeant  [naturer=
ecordists] <> wrote:
>
> On 1/2/15 17:52 PM, Dan Dugan  [naturerecordists] wrote:
>> Steve wrote:
>>
>>> There is a standardized sequence for channel mapping in
>>> cinema/home-theater sound systems, which is simultaneously codified by
>>> ANSI, CEA/CEDIA, and the ISO. Though all of those standards documents
>>> are behind paywalls, this Wikipedia page is correct:
>>> [ http://en.wikipedia.org/wiki/Surround_sound#Channel_identification ]
>>>
>>> 0:L, 1:R, 2:C, 3:LFE, 4:Ls, 5:Rs, 6:Lrs, 7:Rrs
>>
>> That is the SMPTE/ITU/Dolby 5.1 track layout plus two.
>>
>> In a paper on their web site,
>>
>> http://www.dolby.com/us/en/technologies/dolby-surround-7-1-for-theater-t=
ech-paper.pdf
>>
>> Dolby uses this layout for distribution:
>>
>> L, R, C, Ls, Rs, LFE, Bsl, Bsr (page 5).
>
> A small quibble (since I work with this every day), in the Dolby
> compression technologies, and in the internal signal routing of all
> consumer products, C & LFE are always a pair (usually the 2nd pair). The=

> document you link to above, on page 5, reinforces this. Also, according
> to the Audio Precision HDMI analyzer I use (APx-585), the eight PCM
> audio channels on HDMI are also in the order I stated above.

Thanks for the correction, I typed it wrong. The Dolby 7.1 track sequence i=
s:

L, R, C, LFE, Ls, Rs, Bsl, Bsr

-Dan








"While a picture is worth a thousand words, a
sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause.



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