In order to check that everything is correct, despite one's
impeccable logic in imagining a virtual transformation matrix between
how one thinks the signals should be numbered and the reality of the
specific situation, I recommend that everyone have a test recording
that identifies each channel. With this it is relatively easy to
check and correct, while avoiding total confusion.
David
At 14:21 17-11-16, Peter Lennox wrote:
>I once spent two days trying to understand the mapping of a 32
>(periphonic) speaker rig, as there were 3 different speaker numbering
>'conventions' in use, by 3 different parties: one used
>counterclockwise numbering of 'slices' - middle, top, bottom, another
>used a similar system but clockwise, and another used weird kind of
>helical 'start at the top, downwards in stripes', kind of system. Each
>party thought their system was logical and obvious, so it didn't need
>documenting.
>Trying to understand what was actually wired to what was a comical nightmare.
>
>Dr. Peter Lennox
>Senior Lecturer in Perception
>College of Arts
>University of Derby, UK
>e: [email protected]
>t: 01332 593155
>https://derby.academia.edu/peterlennox
>https://www.researchgate.net/profile/Peter_Lennox
>
>-----Original Message-----
>From: Sursound [mailto:[email protected]] On Behalf Of
Dave Malham
>Sent: 17 November 2016 11:10
>To: Surround Sound discussion group <[email protected]>
>Subject: Re: [Sursound] Speaker numbering
>
>Your second layout is what I always tended to do when I had control of
>the numbering but when working in a venue other than your own you
often don't.
>Personally, I'm not sure about "standards" for something as variable
>as a multispeaker array since I would ALWAYS want to check that they
>really, really were connected to the standard - I have been caught out
>too many times over the years :-(
>
> Dave
>
>PS Actually, I would usually check my own rig, just in case someone
>had played silly buggers with the leads since last time I used it.
>Like I said, been caught out too many times....
>
>
>On 16 November 2016 at 22:12, Augustine Leudar <[email protected]>
>wrote:
>
>> How do you number you arrays - there seems to be two ways I've come
>> across.. Using the example of an octophonic array The first way seems
>> to be circular :
>>
>> 1 2
>> 8 3
>> 7 4
>> 6 5
>>
>> The other way is as follows :
>>
>> 1 2
>> 3 4
>> 5 6
>> 7 8
>>
>> There doesnt seem to be an standard way of doing this - I was curious
>> as to how other sursounders number their speakers ?
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>
>
>
>--
>
>As of 1st October 2012, I have retired from the University.
>
>These are my own views and may or may not be shared by the University
>
>Dave Malham
>Honorary Fellow, Department of Music
>The University of York
>York YO10 5DD
>UK
>
>'Ambisonics - Component Imaging for Audio'
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