Category Archives: Design
Music Note Frequency Calculator With Cent Adjustment
A colleague posed a very interesting question:
“I am looking for any music/music math wizard help me figure this out. If I am moving the pitch of a song up by 50 cents (a quarter step?) What frequency is A instead of 440?”
Sounded like the kind of math challenge I like:
The answer is 452.893Hz

To test and confirm that it’s calculating properly, this is up 100 cents making G# 440
This is down 100 cents making A# 440

Here is a link to the excel file
Doing a Harmonic Calculator
Dolby atmos
I was lucky enough to get to visit the new Atmos mix room at Deluxe Toronto. This was the deadest big room I’ve ever been in. It was impressive to hear the system. Being a part of the AES gave me an incredible experience of A/B-ing the new IMAX mix room at Technicolor and the Atmos room at Deluxe. In my opinion the ideas of IMAX immersive technologies translate much better. The guys at IMAX got it right.
Martin Pilchner did an amazing job.
They had a guy from dolby explaining a little about how Atmos renders… very interesting how it translates from room to room.
More information from the Dolby Site:

Ward-Beck Systems ST series – bucket of 12
19.22″ EXACTLY….
Custom Dangerous Master Panel
Anxiety, regret, and satisfaction at the 1/2 way point
IMAX- The Next generation of IMAX sound – 12 Channel configuration – and LASER projectors, about time
Imax – The Next generation of IMAX sound – 12 Channel configuration – and LASER projectors, about time!!
Had a fantastic experience with the new IMAX sound system at the AES meeting held at Technicolor.
The “Upper Quad” ceiling speakers really bring it together.
VBAP is going to need some work… and a HUI
I walked away asking: “If it were truly immersive, there would never be idle speakers” Cory said: “Backgrounds are the first thing to go…” I think those will become crucial.
I also walked away wanting a dozen U87s…
Of course you could hear the birds chirping and running away WHILE the rocket was launching…

Sound guy xmas Idea – CN37 Light guided Connector Assembly
Got a Call from Christopher today. “I do a lot of EDACs” I said. He said “what you really want is the CB37 Light Director Board“
And he was right.
sound guy xmas!!! Day 1 – Syscomp Curve Tracer
Xmas is around the corner. Sound guys and gals are the hardest people in the world to shop for… I will be posting a stream of gift ideas!
Day 1: The Syscomp CTR-101 Curve tracer:
Key Features
-Plots device characteristics for diodes, transistors, MOSFETs, JFETs, and more!
-Up to 30V test voltage at 1A test current
-True voltage and current source drive ampliers
-High resolution measurements
-Pulsed test mode to minimize device dissipation
-Auto-scaling real-time plotting during analysis
-Sample-by-sample power and current limiting
-Open-source software
– 
TDM – Time Division Multiplexing
A design on the board
JL Sub-Woofer
Took a look inside a JL subwoofer… quite the coil and suspension system. http://www.jlaudio.ca/home-audio-powered-subwoofers-fathom
JL audio dominates the Car stereo market in terms of driver quality. The salesman said the best line “We learned a lot from our 12 Volt line of products in designing this home theatre sub” so from now on, Car audio will be forever “the 12 volt industry”
Dual Spiders to support the super high excursion of the woofer… simply incredible design
Super cool Philips console

From the sale:
Moving stuff across the country
I most certainly had a busy “reading week”. It started with finishing up a job My brother Mike started. Moving 7 pallets of equipment from my moms garage in Saskatoon. Followed by great visits with Family and friends. I’m sorry I did not get the chance to meet with everyone I had planned to visit with. Things got a little busy in the IT support world and there was so much family to visit!

Three consoles were packaged and palleted up for shipment across the country.

Custom made dollies were built for the two large sections of console frames.
Modules were packed, boxed and palleted. A small fortune in bubble wrap and pallet wrap were employed.
This is the PSU for a console along with a 1″ Studer A80 8 track Recorder that was made transportable.
I’m excited to work on these projects again in my “Spare time”
Stay tuned for updates of what’s happening with this lot. We’re very excited for what’s planned :-)
Balancing and un-balancing simulation
Ward-Beck Systems Dinner Box 4 – Ready to be soldered – dB-4
Here is the prototype for the dinner Ward-Beck Systems Dinner Box 4 – Ready to be soldered – dB-4
The parts can be quickly ordered here and assembly the simplest DIY project out there.
Soldering and tests to follow!
Ward-Beck Systems “DINNER BOXES” dB-4
Well after some time away, I’ve gotten back to the Dinner Box
The dinner box is a PCB that users can solder EDAC connectors that mate with Ward-Beck Systems Auxiliary modules.
With a standardized 5 PIN XLR power connector, users can simply power up (4) WBS filters and Compressors.
In Addition to power and audio, there is the interconnections stereo linking of the M466 compressors using either M466M OR M467 Noise gate modules.
the dB-4 also allows user to mix and match equalizers: any of the M462, M462A, M462B or M464 Filter interchange seamlessly into this bucket.
A balancing card for M472 eq modules is on the drawing board.
Here is a revised version.
The major change is the addition of XLR connectors… The idea of using a dB25 connector is now optional!











































