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Direct connection to Sony Multi-Interface Shoe? #7

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mungewell opened this issue Mar 12, 2024 · 7 comments
Open

Direct connection to Sony Multi-Interface Shoe? #7

mungewell opened this issue Mar 12, 2024 · 7 comments

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@mungewell
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I have a couple of Sony cameras without an audio jack, so I was wondering.... and ended up going down a massive rabbit hole.

The Multi-Shoe is described:
https://en.wikipedia.org/wiki/Multi_Interface_Shoe

It seems that (at least for simple devices) that the function is 'encoded' on the first 3 pins, as pull up/downs. It looks like for analogue audio that there are connections on:

  • pin 4 - Mic GND
  • pin 5 - Mic Right
  • pin 6 - Mic Left

also

  • pin 7/15/21 - Power GND
  • pin 13 - Regulated power (3.1V)
  • pin 14 - Mic Center(?)
  • pin 17 - Un-reg Power (6.1-8.4V)

There are also some Digital Mic, with a digital connection to the camera(s), I presume that's the GVIF_SDATA_N / GVIF_SDATA_P alternate signals on the same pins.

There is a database of mics, and what they are supported on:
https://support.d-imaging.sony.co.jp/www/cscs/accessories/products.php?lang=en&area=gb&mnt=29

The real question is whether there's a cheap/easy way to get a compatible connector? Can we re-arrange the pins on a
Sony ADPMAA adapter?
ADP-MAC

@mungewell
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@jyz0501
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jyz0501 commented Apr 7, 2024

神牛领夹麦和大疆麦克风 2 转换头已经有两款产品了

@mungewell
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It also appears that the (older) Nex-3/5 also supported a hot shoe mic, but the connection is different (vertical plan, rather than horizontal).
https://support.d-imaging.sony.co.jp/www/cscs/accessories/compatibility.php?area=gb&lang=en&mdl=ECM-SST1&cat=3

Multi-shoe replacement connectors intended for repairing flash guns are now appearing on eBay for around $15. This might be hackable, to move pins to places we need them...
flash_repair_hotshoe

@mungewell
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The XLR-K1M mic adapter has a flying lead connection to the hot-shoe, which is available as a spare part - though kind of expensive....
https://sonyparts.com/products/1-846-330-11?srsltid=AfmBOopgottERDM1yLpO9kUrYRDZwedYgeac7rRLAyB7CacxPdOG2-0m

@mungewell
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There's also an extension cable for use with the XLR-K3M:
https://sony.encompass.com/item/12536372/Sony/1-002-838-11/

@mungewell
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