Photos of components of the audio system (missing photo of power supply)
Manuals of the audio system
Second visit:
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Third visit
What we need is to go from 6.5 mm audio male to USBA audio male.
I accidentally brought TRS rather than TRRS cables. I returned them to Amazon and ordered new ones. I left the surge protector, as those are always useful
We’ll likely need a Daisy chain of cables.
Image of what I’ve ordered. The 3.5 mm female to USBA male includes a chip
The 3.5mm female to 6.5 mm male converter did not work as advertized. It was a headset converter, not a microphone converter, so I substituted this one
Update 210620
- 3 Crown PZM-30GBP mics installed in ceiling (communicating via XLR cables through hole in ceiling near east wall)
- AMR aps4 phantom power supply (3 input XLR cables; 3 output XLR cables on floor; 3 switches: power, lift in & lift out; plugs into wall to power on mics) (need to take picture of this, put up an image that I found online.)
- Harbinger HA80 mixer (takes the output XLR cables from power supply; uses 6.5 mm audio output -- use 8 Ohm output, not the line out)
Connectors that worked with David's computer (Lenovo running Ubuntu)
- 6.5mm to 3.5mm Trrs Adapter (Bietrun?) (female to male)
- DuKabel USB to 3.5mm Jack Audio Adapter, USB to Aux Cable with TRRS 4-Pole Mic-Supported USB to Headphone AUX Adapter Built-in Chip External Sound (female to male)
- Cablesforless USB 3.1 Gen 1 C Male to A Female Adapter 5G 3A (female to male)
Talked to Apple. They basically abdicated. The device was visible to the system, but not picking up signal.
Update 210629
Considering a projector
sample relationships between projection distance and screen size:
sample screen sizes:
Need to measure the size of the wall above the fireplace (8.5' across)
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