Breadcrumb Home Demos Oscillations / Acoustics Oscillations / Acoustics Support Equipment3 - 00.00 - Support EquipmentOscillationsPendula3A10.10 - Simple Pendulum3A10.14 - 4 to 1 Pendulums3A10.21 - Metronome3A10.30 - Torsion Pendulum3A10.40 - Variaible "g" PendulumPhysical Pendula3A15.10 - Physical Pendulum - Smart Phone3A15.20 - Physical Pendula3A15.40 - Pendula - Arc vs. Ring3A15.50 - Center of Percussion - Baseball Bat3A15.70 - Kater's PendulaSprings and Oscillators3A20.10 - Simple Harmonic Motion - Mass on Spring3A20.15 - Mass on a Spring - 1 to 4 Masses3A20.30 - Simple Harmonic Motion - Air Track & Hoop Springs3A20.35 - Air Cart Masses and Springs - Air Track & 2 Springs3A20.60 - Simple Harmonic Motion - Ball and Dish3A20.75 - Oscillating CandleSimple Harmonic Motion3A40.10 - SHM and Rotational Motion - Spring and Mass3A40.21 - SHM and Rotational Motion - Pendulum3A40.25 - Ball on a Track vs. Pendulum3A40.35 - SHM and Rotational Motion - VideoDamped Oscillators3A50.10 - Simple Harmonic Motion - Damped Mass on Spring3A50.15 - Inclined Air Track - Damped Glider3A50.40 - Double Spring Damped Air Glider3A50.44 - Damped PendulumDriven Mechanical Resonance3A60.10 - Tacoma Narrows Bridge3A60.30 - Barton's Pendula3A60.40 - Driven Resonance - Pasco Oscillator and Rotating Mass on a Spring3A60.50 - Resonance Gyro - Frahm, Resonance Reeds, and LoopsCoupled Oscillations3A70.10 - Wilberforce Pendulum3A70.15 - Swinging Mass on a Spring3A70.17 - Coupled Oscillators - Pendulum and Mass-Spring Oscillator3A70.20 - Coupled Pendulum3A70.23 - Synchronizing Metronomes3A70.36 - Simple Double Pendulum3A70.40 - Inverted Coupled Pendulum3A70.45 - Coupled Resonance - Springs3A70.50 - Oscillating MagnetsNormal Modes3A75.10 - Coupled Oscillations - Air Track3A75.40 - Bifilar PendulumLissajous Figures3A80.10 - Sand Pendulum3A80.20 - Lissajous Figures - Oscilloscope3A80.40/9C40.60 - Lissajous Figures - Laser and 3 Mirrors3A80.43 - Lissajous Figures - HarmonographNon-Linear Systems3A95.10 - Relaxation Oscillators3A95.22 - Compound Pendulum3A95.50 - Chaos Pendula - Chaos Toys3A95.50b - Revolution3A95.51 - Chaos Motor3A95.55 - Change of a Diode3A95.57 - Space Circles3A95.58 - Zeeman Catastrophe Machine3A95.59 - Belousov - Zhabotinsky Reactions3A95.63 - Hula Hoop3A95.67 - Lava Lamp3A95.70 - Variable Length Pendulum - Swing - Pump a Swing3A95.85 - Firehose InstabilityWave MotionTransverse Pulses and Wave3B10.10 - Wave Demo - Spring on Wall and Rope3B10.20 - Wave Demo - Slinky3B10.25 - Inertia of Motion - Standing Pulse - Chain3B10.31 - Straw Wave Machine3B10.60 - Standing Waves - Water Waves3B10.75 - Pendulum Waves3B10.77 - Aliasing3B10.85 - Non-Recurrent Wave FrontsLongitudinal Pulses and Waves3B20.10 - Hanging Slinky3B20.20 - Waves - Air Track or Rod3B20.30 - Waves - Longitudinal Waves - PASCO model3B20.70 - Crova's DiscStanding Waves3B22.10 - Standing Waves in a String - Hanging Motor3B22.11 - Standing Waves in a String - Melde's Experiment3B22.12 - Standing Waves in a String - Electrically Driven Tuning Fork3B22.14 - Standing Waves in a Wire3B22.30 - Wave Demo - Wave Machines3B22.40 - Standing Waves in a Rod3B22.50 - Slinky Standing Waves3B22.51 - Standing Pulses in a Spring3B22.70 - Standing Waves - Soap Film Oscillations3B22.90 - Wave Demo - Overhead Wave ModelImpedance and Dispersion3B25.10 - Impedance Matching - Wave Machines3B25.55 - Spring Horn Toy - Space Phone3B25.67 - Culvert WhistlersCompound Waves3B27.21 - Wave Addition ModelsWave Properties of Sound3B30.01 - Ultrasonic Levitator3B30.10 - Speed of Sound in Air3B30.30 - Bell in a Vacuum3B30.40 - Speaker and Candle Flame3B30.45 - Trumpet and Bubbles3B30.50 - Sound in Helium and CO23B30.52 - Speed of Sound in Water / Ultrasonic3B30.61 - Speed of Sound in a Rod3B30.65 - Music Box3B30.70 - SoundboardPhase and Group Velocity3B33.20 - Group and Phase VelocityReflection and Refraction (Sound)3B35.10 - Gas Lens3B35.30 - Parabolic Reflector and Sound Source3B35.37 - Plane Reflectors - Equal Angles3B35.39 - Curved Reflectors - Whispering GalleryTransfer of Energy in Waves3B39.20 - Frequency of Sound Waves - Dominoes3B39.30 - Big Ben - Coat Hanger on a StringDoppler Effect3B40.10 - Doppler Effect - Buzzer and String3B40.25 - Doppler Effect - Rotator App.3B40.30 - Doppler Effect - Microwave BeatsShock Waves3B45.05 - Doppler Effect and Shock Waves - Overhead Projector Plates3B45.13 - Shock Wave Fronts - Hydraulic Jump3B45.30 - Solitons3B45.35 - Shock Wave Fronts3B45.50 - Shock Wave Fronts - Supersonic Jump3B45.60 - Shock Wave Fronts - Supersonic Jet & Volcanoes3B45.61 - Bull Whip and Towel3B45.75 - Shock Wave Fronts - Cymbal and Flash UnitInterference and Diffraction3B50.20 - Ripple Tank3B50.40 - Moiré TransparenciesInterference and Diffraction of Sound3B55.10 - Interference of Sound Waves - Rotating Platform, LED3B55.30 - Speaker and Baffle3B55.32 - Interference of Speakers3B55.40 - Interference - Quincke's Tube or Trombone3B55.55 - Diffraction Around an Obstacle - Through A FanBeats3B60.10 - Beats - Tuning Fork3B60.13 - Beats - Organ Pipes3B60.20 - Beats - OscilloscopeCoupled Resonators3B70.10 - Resonance in Solids Demo - Tuning Fork Resonance3B70.30 - Resonance of StringsAcousticsThe Ear3C10.10 - Model of the Human Ear3C10.15 - Ear Drum Model3C10.20 - Binaural Hearing3C10.21 - StethoscopePitch3C20.05 - Infrasound3C20.10 - Range of Hearing for the Human Ear3C20.15 - Galton's Whistle3C20.16 - Ultrasonic Waves - Suspended Rods , Ultrasound3C20.17 - Quartz Oscillators - Quartz Tuning Forks & Watches3C20.20 - Zip Strips3C20.21 - Grooves on a Record - Model3C20.23 - Grooves on a Record - LP3C20.25 - Musical Pop Bottles3C20.30 - Siren Disk - Seebeck Siren3C20.35 - Sirens3C20.40 - Savart's Wheel - Musical Saws3C20.43 - Coin in a Balloon3C20.60 - Increasing Pitch - Euler's Disk, Magnets & Glass Bottles, LIGO Ring DownIntensity and Attenuation3C30.20 - Decibels Meter & SpeakerArchitectural Acoustics3C40.10 - Concert Hall AcousticsWave Analysis and Synthesis3C50.10 - Fourier Synthesis of Waves - Pasco3C50.40 - Resonance - Electromagnetically Driven Strings3C50.55 - Noise Generator and Filters3C50.60 - 60 Cycle Hum - Electromagnetic Pickup3C50.65 - Twisted Pair3C50.75 - Noise and Measurements3C50.80 - Spectrum AnalysisMusic Perception and the Voice3C55.25 - Missing Fundamental3C55.30 - Heterodyne Wave3C55.31 - Combination Tones3C55.40 - Chords3C55.51 - Musical Scales3C55.65 - Tone Quality and Evaluating Musical Instruments3C55.72 - Tuning Forks - Tone Quality3C55.80 - Vocal Formants3C55.84 - Polyphonic Overtone Singing3C55.85 - Acoustical Filters - Stewart Filters3C55.88 - Sound Sink-Sound Sucker3C55.90 - Science of Sound - Tapes and RecordsInstrumentsResonance in Strings3D20.10 - Sonometer3D20.20 - Sonometer on Oscilloscope3D20.60 - Rubber Band HarpStringed Instruments3D22.10 - Violin3D22.25 - Cup Telephone3D22.30 - Guitar3D22.32 - Guitar - Fretted String Instruments3D22.40 - PianoResonance Cavities3D30.10 - Resonance Tubes - Water Column3D30.14 - Open Tube Resonance - Ambient Noise Resonators3D30.15 - Standing Waves in a Tube3D30.16 - Resonance Tubes - Sliding Piston3D30.17 - Box and Bottle Modes3D30.21 - Resonance Horns - Conical Pipes3D30.32 - Cylindrical Pipes3D30.35 - Freq Tube3D30.40 - Helmholtz Resonator3D30.50 - Ruben's Tube3D30.60 - Kundt's Tube3D30.70 - Rijke Tube - Hoot Tubes with Mounted Metal Screens3D30.71 - Hoot Tube3D30.75 - Knipp Tube3D30.77 - Hot Chocolate EffectAir Column Instruments3D32.10 - Flute3D32.14 - Clarinet - Saxophone - Recorder - Tinwhistle3D32.15 - Variable Pitch Whistles - Stadium Horn - Train Whistles - Relaxation Oscillators3D32.18 - Soda Straw Oboe3D32.22 - Edge Tone Generator3D32.25 - Organ Pipes and Whistles3D32.30 - Harmonica or Melodica3D32.35 - Resonance in Cavities - Horn3D32.40 - Trumpet / Cornet3D32.41 - Baritone / Euphonium3D32.43 - Trombone3D32.45 - PVC Instruments - Palm Pipes and BoomwhackersResonance in Plates, Bars, Solids3D40.10 - Justemp Bars - Xylophone3D40.14 - Jaw Harp, Mouth Harp, or Jew's Harp3D40.15 - Musical Sticks3D40.18 - Musical Ruler - Musical Strips3D40.19 - Thumb Piano3D40.19-2 - Musical Saw3D40.20 - Singing Rods3D40.23 - Waterphone3D40.25 - Regenerative Feedback3D40.30 - Chladni Plates3D40.34 - Gongs - Cymbals3D40.40 - Drums3D40.45 - Dancing Soap Bubbles3D40.50 - Musical Goblets or Bowl3D40.51 - Spouting Bowl3D40.55 - Shattering Beaker3D40.56 - Low Frequency Glass Breaker3D40.58 - Bells - Cow Bells3D40.60 - Chimes/Triangle3D40.65 - Bull-RoarerTuning Forks3D46.15 - Tuning Forks - Various3D46.16 - Tuning Forks on Oscilloscope3D46.30 - Tuning Fork Motion3D46.90 - Electronically Driven Tuning ForkElectronic Instruments3D50.10 - Keyboards - Piano and Organ3D50.15 - Synthesizer3D50.20 - Online Tone Generators3D50.30 - Theremin3D50.50 / 3E80.70 - Beamz PlayerSound ReproductionLoudspeakers3E20.10 - Loudspeakers3E20.15 - Loudspeaker Resonance3E20.20 - Singing Tesla Coil - Plasma Speaker3E20.25 - Tooth Toons - Human Loudspeaker3E20.30 - The Sound Color Organ3E20.35 - High - Mid - Low Pass Filter/Crossover3E20.50 - Noise CancellationMicrophones3E30.10 - Microphone Construction3E30.20 - Reciprocity - Speaker as a Microphone / Microphone as a SpeakerAmplifiers3E40.00 - Amplifier3E50.00 - Phonograph - TurntableRecorders3E60.00 - Tape deck3E70.00 - CD Boom BoxDigital Systems3E80.05 - CD Reading System3E80.10 - Digital Reproduction CD with Holes3E80.50 - Digital Compression3E80.70 / 3D50.30 - Beamz Player9A20.20 - CD Player