🎵 Acoustics

Acoustic Levitation: Standing Waves & Radiation ForceNewTwo opposing ultrasonic transducer arrays create a standing wave; watch beads settle at… Room Acoustics & RT60 Reverberation TimeNewInteractive image-source reverberation simulator that traces first- and second-order… Ultrasonic Imaging & Sonar: Pulse-Echo & Phased ArraysNewInteractive phased-array pulse-echo simulator — steer and focus a beam with real time-delay… Acoustic Metamaterials ExplainedNewInteractive 3D lattice of engineered sub-wavelength resonators where adjusting unit-cell… Equal Temperament ExplainedNewInteractive 3D piano keyboard and frequency wheel where comparing just-intonation ratios… Helmholtz Resonator ExplainedNewInteractive 3D bottle-shaped cavity where adjusting neck length, neck area and cavity volume… Noise Colors ExplainedNewInteractive 3D frequency-spectrum visualizer where switching between white, pink, brown and… Reed Instrument Resonance ExplainedNewInteractive 3D reed-and-tube model where adjusting reed stiffness and tube length forms… Spectral Music: Building a Sound One Overtone at a TimeNewInteractive 3D harmonic-series visualizer where adding or removing individual overtones with… Acoustic Levitation ExplainedNew3D simulation of standing ultrasonic waves trapping small particles at pressure nodes, with… Room Reverberation and the Image-Source MethodNew3D room model that mirrors a sound source across each wall to generate image sources, with… Binaural Beats Wave Interference LabNewInteractive 3D dual-speaker scene where setting slightly different left and right ear… Psychoacoustic Masking SimulatorNewInteractive 3D frequency-spectrum scene where playing a loud masking tone near a quiet… Ocean Acoustic Monitoring (Sonar)NewA shipboard sonar pings the water column: watch the pulse expand, bounce off the seafloor or… Standing Wave Resonance Tube SimulatorNewDrive a speaker into a transparent 3D resonance tube and watch air-pressure nodes and… Engineering QuietNewAn interactive 3D noise map showing how a roadside sound barrier, vegetation buffer, and…