Thanks!
Dave
On 28 October 2015 at 10:44, <tryp...@comcast.net> wrote:
> Ambisonic UHJ decoders
>
> Here are corrections to the Gerzon "Multi-system Ambisonic Decoder"
> published in Wireless World magazine, July and August, 1977.
>
> Corrections to the phase shift circuits (Fig 1, pg 69, Aug 1977 and
> m/l on pg 73 of same issue:
>
>
> Reference Designator(s) m/l value correct value
>
> C16 1nF 1nF
> C17 1nF 1nF
> R147 22k 22.1k
> R146 56k 50.339k
> R145+R144 105.6k 120.041k
> R143+R142 (1) 50.3k 55.772k
>
> C13 0.1uF 0.1uF
> C12 0.1uF 0.1uF
> R135 12k 12.1k
> R134 47k 22.006k
> R133 47k 115.860k
> R132 22k 47.235k
>
> C15 27nF 47nF
> C14 27nF 47nF
> R141 22k 22.1k
> R140 39k 20.122k
> R139+R138 105.6k 120.108k
> R137+R136 35k 22.315k
>
> C11 470pF 470pF
> C10 470pF 470pF
> R131 12k 12.1k
> R130+R129 50.9k 23.809k
> R128 47k 115.655k
> R127+R126 23.8k 50.941k
>
> Notes:
> 1 - R142 on schematic incorrectly listed as R152 on material list
> 2 - Capacitors are chosen to be standard values most closely
> matching
> Gerzon values (except C14/15 which were typos)
> 3 - Resistors are either standard 1% (E96) values (where choice is
> 'arbitrary') or calculated ideal values to 5 or 6 digits of
> precision.
> 4 - Capacitors should be selected to 1% tolerance
> (or purchased that way)
> 5 - Resistors should be selected from nearest standard 1% value or
> made of series/parallel combination to get closer to exact value
> Last updated (formatted) September 26th 2005.
> Back to start page.
>
> <IMG border=0 alt=setstats src="" width=1 height=1>
> <IMG border=0 alt=setstats src="integrex%20corrections_files/visit.gif" wid
>
> -----Original Message----- From: Dave Malham
> Sent: Wednesday, October 28, 2015 4:45 AM
> To: Surround Sound discussion group
> Subject: Re: [Sursound] Integrex decoder
>
> Hi Giovanni,
> Still hasn't gotten through - maybe you should email it direct to me
> rather than through the sursound list...
>
> Dave
>
> On 27 October 2015 at 21:38, <tryp...@comcast.net> wrote:
>
> Let me try again.
>> Giovanni
>>
>> -----Original Message----- From: Dave Malham
>> Sent: Tuesday, October 27, 2015 12:14 PM
>> To: Surround Sound discussion group
>> Subject: Re: [Sursound] Integrex decoder
>>
>> Thanks!
>>
>> Dave
>>
>>
>> On 27 October 2015 at 16:00, <tryp...@comcast.net> wrote:
>>
>> I have it.
>>
>>> Give me a day to locate and scan it and I will send it to you.
>>> Giovanni Abrate
>>>
>>> -----Original Message----- From: Dave Malham
>>> Sent: Tuesday, October 27, 2015 11:12 AM
>>> To: Surround Sound discussion group
>>> Subject: [Sursound] Integrex decoder
>>>
>>> Hi Folks,
>>> I was looking out my documentation for the Integrex decoder and I seem
>>> to be missing the addendum sheet that I had covering the mods to change
>>> one
>>> of the mods (H or 45J, can't remember which) to UHJ, which wasn't in the
>>> original Wireless World design. Anyone got a copy?
>>>
>>> Dave
>>>
>>> --
>>>
>>> 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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>>> _______________________________________________
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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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>
>
> --
>
> 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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>
--
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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