absorptions

Passing planes and other whoosh sounds

Ultrasonic investigations in shopping centres

Smoother sailing: Studying audio imperfections in Steamboat Willie

Using HDMI EMI for fast wireless data transfer

Spiral spectrograms and intonation illustrations

Speech to birdsong conversion

Plotting patterns in music with a fantasy record player

Capturing PAL video with an SDR (and a few dead-ends)

Beeps and melodies in two-way radio

Animated line drawings with OpenCV

In pursuit of Otama's tone

Descrambling split-band voice inversion with deinvert

Gramophone audio from photograph, revisited

Virtual music box

CTCSS fingerprinting: a method for transmitter identification

Redsea 0.7, a lightweight RDS decoder

Pea whistle steganography

The microphone bioamplifier

Case study: low-frequency tinnitus with distortion

Trackers leaking bank account data

Receiving RDS with the RTL-SDR

My chip collection

Visualizing hex dumps with Unicode emoji

Mapping microwave relay links from video

Headerless train announcements