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Everything posted by Patrick Farrell
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Any Interest in a 788T Windows Based (Maybe Android) Control App
Patrick Farrell replied to jawharp's topic in Equipment
While I don't own a 788t I think they're great machines worth preserving functionality into the future. Another idea which would make it device agnostic is hosting a web app on something like a raspberry pi zero W. The RPi could do all the serial communication and create an ad hoc network with it's on board wifi while hosting a web server. Then any device the user chooses can connect to the network and pull up a browser to control the 788t. -
I've done this very thing with Peter Schneider before. We used DPA gooseneck tabletop mics (I think the 4098) hardwired into a RIO stagebox with dante back to a Yamaha QL5 console. That board gives you 16 Dugan automix channels so just pick 4 minor characters and assign them to a fader you bring into the mix as you follow along the script. I think we recorded everything on a scorpio or a pix970 but anything with enough tracks is fine. Lastly since the actors were so spread out around the tables and there was also a gallery of producers, we set up several reinforcement speakers with a mix-minus for whatever group was in front of each speaker. The Glensound Divine monitors made quick work of that with their dante and POE.
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Zero delay is indeed impossible but the Lectro Duet system is a digital stereo IEM with 1.6ms latency which is good enough for most situations, although my experience with the system hasn't been stellar for other reasons.
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As a utility I use this chair. https://www.amazon.com/gp/product/B00339C3PK/ Folds really flat and is easy to tuck away on the follow cart while being easier on the family jewels. But it sits pretty low which depends on how small your cart is. I mostly see people using the aluminum, "low" version of director's chairs but another option I've seen is something like this. https://www.amazon.com/dp/B0C2KKT2YB/?th=1
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CLARIFICATION ON SDI FEED TO CART ON SET
Patrick Farrell replied to RadoStefanov's topic in Equipment
If there is DIT then the video assist is hardwired to them. If no DIT then video assist will have the teradek receivers. -
CLARIFICATION ON SDI FEED TO CART ON SET
Patrick Farrell replied to RadoStefanov's topic in Equipment
Not true. On every union show I work, the sound cart is hardwired to video assist to receive SDI and send audio. Very rare for sound to have wireless video in NYC. The latency tends to be too much on Qtake to mix accurately. -
azden fmx-42a External battery to power my Azden FMX-42a, is possible¿?
Patrick Farrell replied to Dan Savio's topic in Equipment
If you have some of the sony np-f style batteries for your 633 you could also use them with this adapter https://www.gothamsound.com/product/dv-sqnr-power-adaptor -
Dante uses PTP for sync which is more accurate than the traditional 48kHz word clock. I'm level 3 certified and have found any time I have an issue with dante it's because of a networking error which in practice means either it all works or it doesn't. Once you understand how to build a proper network, it is absolutely rock solid and dependable.
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Sony uwp d series 2 wireless mic sensitivity problem
Patrick Farrell replied to Jurjen's topic in Equipment
Use the input attenuation on the UTX-B40 to adjust the mic's sensitivity to be relatively similar for each channel. -
This. Rather than a thought experiment, how about a listening experiment? Borrow a couple systems that are as you describe and see how they sound. I personally find they sound better than some systems which utilize adjustable preamps in the transmitter.
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DIY Sennheiser MKH416 P48 REPAIR
Patrick Farrell replied to LoganSound's topic in Technical Reference
A couple of thoughts: From my recollection, removing the XLR section shouldn't be necessary to get to the board. I guess that could be revision specific though. Replacing a 10 ohm resistor with a tighter tolerance 10 ohm resistor will not have an audible difference in any schematic. -
That particular one has a network filter IC in it which could possibly get fried if you inject voltage into it. There are fully passive versions that work both ways but that still wouldn't help in your case because the device on the other end is expecting spec PoE power but would only receive the voltage of your battery. The injector you posted up above would work because it has a DC-DC converter built in to provide the proper voltage but you're limited to connecting just one device. If you want the flexibility of a switch in your bag, Gotham has this one that can be powered from your BDS. Sadly it's not gigabit but should be plenty fast for a few channels like the AVIO devices and similar.
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Boom poles are generally a personal preference. For me, I was able to work with several mixers and try out a variety of poles in the field before deciding to buy an Ambient for myself. If you're getting boom op gigs, the mixers likely have a selection of poles for you to use until you find your preference you want to invest in. Heck, I even know boom ops that have gone a whole career without buying a pole and only use mixer's poles.
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Apple Silicon and Ethernet (beware!)
Patrick Farrell replied to borjam's topic in Macs... and the other computer
Very interesting topic. I think Realtek used to publish a driver for macOS, though not sure it's compatible with the latest versions. Have you investigated using a non-default driver? Also interested how the D-Link adapter performs. It was a sad day when Apple stopped including an ethernet port on their laptops. -
Yamaha DM3-D 22-channel digital small format mixer with Dante
Patrick Farrell replied to LoganSound's topic in Equipment
In our business, you'd most likely be feeding your recorder over dante. Set your recorder as the master clock on the dante network and clock the board from that. Works great for this type of scenario. -
Yamaha DM3-D 22-channel digital small format mixer with Dante
Patrick Farrell replied to LoganSound's topic in Equipment
It is DC powered (although 24V) which is a step in the right direction. If it had some dedicated knobs for gain it just might find its home on a cart. Although these days I think most people want more than 8 faders. -
Transmitters' RF power measurement
Patrick Farrell replied to Fred Salles's topic in Technical Reference
Does the device you have measure the conducted power at the output or the radiated power? If radiated, this site https://www.antenna-theory.com/definitions/eirp.php has a formula to work from as well as lots of other useful information. But be careful because distance greatly affects the measurement and won't accurately reflect the conducted power (i.e. 50mW, etc). The FCC has a document that provides even more guidance. https://apps.fcc.gov/eas/comments/GetPublishedDocument.html?id=204&tn=255011 -
What winding is used on the Neutrik XX XLR cable connectors?
Patrick Farrell replied to DanieldH's topic in Do It Yourself
I think he's asking what the thread size is for the interface of the shell and boot. Google didn't yield any results for me. Large hardware stores usually have thread gauges so you could take a connector in and measure it. Or you could always call Neutrik. -
It works, only the left and right ears are reversed polarity. If I listen on a comtek it drives me nuts but most producer types don't notice.
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It creates a pseudo-balanced output so that you can use an off the shelf cable wired pin to pin and feed a balanced input.
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I've had good success with the sound devices a-filter. Haven't used it with zaxcom but works great with other digital transmitters.
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It's a far cry better than the Denecke power supply and UM400 days. Still beats having a cable run around or through your pole.
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You could build an RC filter into an adapter cable to roll off everything above 20kHz. However, having a resistor in line could potentially affect the bias voltage that the mic sees so choose values carefully and test beforehand.
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Yeah kind of a bummer you can't just remote the 610 when needed and instead would need a second unit. However, my experience was we rarely needed showlink control anyways. If we needed new frequencies, I'd just do it at the beginning of the day with the transmitters still at the cart. Only other use was to sleep/unsleep the transmitters for lunch or a long down time and we'd just have talent walk past the cart. But even with them close sometimes that could be troublesome and it wouldn't pick up the showlink. Separate issue I told the guys at Shure about but I'm trying to make the argument that a second 610 would only be useful in a very small use case.
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Really nice work Wyatt. Half the space of the AD4Q. Only downside is you need the tablet/computer for easy settings management compared to the AD4Q.