Having tested EMF sensors for the PLASMA BALL EMF Library this is the next step towards a big new EMF library coming later this year.
For this library we have captured a number of DIY power tools, specifically:
– Ryobi 18V Pole Chainsaw
– Ryobi 18V Hedge Trimmer
– Ryobi 18V Strimmer
– Ryobi 18V Jig Saw
– Stanely Fatmax Drill
– Stanely Fatmax Hammer Drill
The original 32bit 192kHz recordings were made capturing sync audio and EMF:
– Sennheiser MKH8040x2
– Sennheiser MKH8050
– LOM Elektrosluch3 stereo EMF sensor
– DIY LOM Priezor pair EMF sensor
Performance includes frictionless steady state and variations in revs and speed ramps, along with EMF Sensor movement. Note: The Jig saw and two drills have speed control so far more variation was possible, whereas the chainsaw, hedge trimmer and strimmer only have off/on control of speed.
For both practical sound effects editing and more radical sound design, the combination of acoustic capture via MKH8040 and MKH8050 with sync multiple EMF sensors enables very interesting opportunities for creative work.
What do I mean by sync?
With my previous EMF library SD028 EMF I was only recording EMF, as it was mainly circuits or objects that don’t otherwise make any audio. For example an iPad or an LED light doesn’t make any sound when its sitting there, but it makes a lot of EMF. So that library was EMF only.
The LOM Elektrosluch & Priezor EMF sensors output audio, so they behave like another mic, and & with this library each device makes audio as well as EMF eg electric chainsaw or hedge trimmer or drill. So recording multitrack with mics and EMF sensors mean the library has sync between the audio & EMF: when I press the trigger on the drill, you hear both the normal sound of a drill via the MKH8040x2 and MKH8050 as well as the sync sound of the motor & circuits via the two EMF sensors.