Fun With Induction

I’ve been playing with a pair of DIY inductive pickups recently, listening to the electromagnetic emissions of everyday objects. More info (and pix/sounds): Inductive Pickup Experiments….

Primo EM172 binaurals (finished)

Low-Noise Binaural Mics (Primo EM272 and PUI 5024)

…it behaves just like the trusty old Panasonic WM-61a (except not noisy!) Mike has a fantastic blog featuring extensive mic-building experiments with sound clips, explanations, and measurements. I called Primo and got 10 reasonably-matched capsules for $6 USD each. (They’re…

Inductive Pickup Experiments

The contemporary world produces a sea of electromagnetic (radio) noise. Most electronic devices emit radio byproducts as they operate – especially motors and microprocessors. A small fraction of these emissions occur at frequencies that we could hear if we could…

FM Transmitter Experiments

I have often worked on projects requiring short-range high quality wireless audio. Bluetooth is an obvious choice these days, but it has some problems outlined here. The ubiquity and decent quality of FM radios makes FM transmission an attractive choice,…

Lots of updates to D.I.Y. section

I recently updated the D.I.Y. Resources section of this site: An LED lamp for my workbench made of flexible coolant hose Experiments with hacking FM transmitters to creat reliable short range radio links Adding synchronized digital sound to a Steenbeck…

The Sun Dialogs at Brooklyn Bridge Park

…the sounds of the deep that they’ve been recording with their new hydrophone array! From the press release: By invitation of The Norwegian Consulate General in New York, Radio Hopes and Dreams and Wave Farm are pleased to present The…

Below The East River

https://www.zachpoff.com/site/wp-content/uploads/ZLP-Pier6-hydro-test-trainsboats.mp3 I’m often surprised by the sounds that emerge from the water and what they can tell us. This winter I lowered an experimental hydrophone from Pier 6 in Brooklyn, hoping to record the drones of passing ships. (Each engine…

Wandering Sounds and Images

…make it a battery-powered portable projection instrument Wiki: Build a portable Magic Lantern projection system for proto-cinema experiments Wiki: Build a portable 8-channel sound system and 8×8 matrix mixer Journal: Phase 1 (February 2023) I’m amazed by the breadth and…