Blog Archives

Arduino Project – Digitally Controlled Analog Surround Sound Panning – Open Source

For your enjoyment: Digitally Controlled Analog Surround Sound Panning   Presentation:   Circuit Explination:   Presentation documents: 0 – TPJ – Technical Presentation 0 – TPJ556-FINAL report DCASSP-COMPLETE 0 – TPJ556-FINAL report DCASSP-SCHEMATICS V1     Project Source Code:  

Posted in APKaudio, Cadsoft Eagle, Computer Interface, Console, Data, Design, Digital, Explanations, Macgyvered, Mathematics, Mixing, New Gear, ORANGE, Programming, reference, Resources, School, Science, Surround, Upgrade

Books of 2015 – Supplemental and future reading and reference

Adding to the book list for 2015.  Lots learned and so much more to learn!

Posted in APKaudio, Data, Design, Digital, Explanations, Mathematics, Programming, Projects, reference, Resources, Science, Tools

Sound Guy XMAS!!!!! Rigol DS1054Z 4 Channel Oscilloscope –

Xmas is coming!  As we know sound guys are the most difficult people to buy for.  Over the last few year I’ve posted some suggestions, here is day 1! Day 1 – Rigol DS1054Z 4 Channel Oscilloscope This came to my

Posted in Awesome, Portable, Science, Tools, Upgrade, xmas

On Compressing the English Language

Someone picked my brain the other day looking for a technique to compress language files. After walking away to think about it… my method was to re-order the ASCII code to the letters by their frequency and the most common words

Posted in APKaudio, Awesome, Explanations, Mathematics, Programming, Records, reference, Resources, Science, Tools

Doing a Harmonic Calculator

Learning about harmonics, this handy calculator helped with understanding the math.  I love excel!

Posted in APKaudio, Data, Design, Digital, Explanations, Filters, Mathematics, School, Science


you know it’s going to be rough if you’re on page 894 of a textbook called “Technical Mathematics with Calculus”

Posted in Mathematics, School, Science

TDM – Time Division Multiplexing

Posted in Design, Digital, Explanations, Patching, Projects, Resources, Science

The words of sound

Bob Katz book “Mastering Audio the art & the science” 2nd ed.

Posted in Explanations, reference, Science, Truth

Stereo Has its problems

Posted in Awesome, reference, Resources, Science

Speaker cut in half

Posted in Awesome, Explanations, Science, Truth

How to erase a CD

Erasing a CD with high voltage coils

Posted in Science

Passive HP/LP Filter calculator – More fun with Excel

To better understand the behavior of a Passive Resistor Inductor / Resistor Capacitor I built another excel calculator…. ly

Posted in APKaudio, Data, Design, Explanations, Filters, Projects, reference, Resources, School, Science, Truth

Finished a project for school

I had to build a 1 watt Class AB – Amplifier for an Electronics devices course.   The school has an LPKF PCB prototyping machine to make these PCBs with.   I’m not going to turn down the chance to have the boards

Posted in APKaudio, New Gear, School, Science

Turn table math

I thought this was very interesting

Posted in Explanations, Mechanical, Science, Truth, Vinyl

The making of Wilma – Part 1

Quickly Uploaded some pictures of the fabrication of Wilma Here is the start of wiring up the channel buckets

Posted in APKaudio, Cable, Design, Mechanical, Science, WBS,

you must visualize…

Posted in APKaudio, Design, Explanations, ORANGE, School, Science

Trick to remember NPN VS PNP

NPN: Not Pointing in PNP: Pointing In

Posted in Amplifier, Awesome, Explanations, Resources, School, Science

Wednesday night TV

Check out Jörg Wuttke, Understanding Microphones Jörg Wuttke was born in Berlin in 1942. He studied electronics and telecommunications at Karlsruhe University, specializing in acoustics, and was teaching assistant to professor Günther Kurtze, the inventor of the shotgun microphone. He

Posted in Awesome, Design, Explanations, Microphones, reference, Resources, Science, Studio, Surround, Truth

5kg of knowledge – Semester 2

I’m almost done week 2 of semester two… by themselves they are intimidating, but as a stack they are frightening.

Posted in APKaudio, Data, Explanations, History, reference, Resources, School, Science, Truth, Upgrade

Acoustic Camera

A very interesting item.

Posted in Awesome, Computer Interface, Data, Design, Explanations, Mechanical, Microphones, Monitoring, Portable, Science
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