Acoustics in the media
”Bouncing off the walls”
“The best buildings you’ll ever hear”
”According to the musicians who play here, the opera house may look great but it sounds dreadful”
“A treat for soloists, chamber orchestras and singers, but too dry and flat acoustics for a big orchestra”
“… a new outdoor stadium with acoustics especially designed for concerts”
“What makes the sound of the vuvuzelas so annoying?”
In Hitler’s tunnels: ”The acoustics are incredible”
Latest vineyard offspring: ”The best modern acoustics”
”China's biggest indoor stadium has excellent acoustics”
”Bad acoustics impairing learning”
”The sounds we love to hate”
”At Last, Heavenly Acoustics Are Heard in the Hall”
”Good architecture makes for beautiful music”
”A preview of the new Alice Tully Hall”
”Musicians Hear Heaven in Tully Hall’s New Sound”
”Improved Acoustics Benefit City Opera”
Animations
Reflection of Waves from Boundaries (animation)
Sound fields radiated by simple sources (animation)
Wave motion in time and space (animation)
Longitudinal and transverse wave motion (animation)
Wave motion in time and space (animation)
Superposition of waves (animation)
Fourier Decomposition (animation)
Waves in a dispersive medium (animation)
Phase-Space Diagrams for an Oscillator (animation)
Sound Radiation from Cylindrical Radiators (animation)
The Doppler Effect and Sonic Booms (animation)
Auralizations
Dvorak’s String Quartet No 12 (reverberation time demo): Anechoic; RT=0.46s; RT=1.47s; RT=2.1s; RT=7.7s
Brahm’s symphony No 4 in Amsterdam Concertgebouw computer model, LF=0.25. Same in anechoic (dry) condition
Intimacy in different seats of Amsterdam Concertgebouw (auralizations). Different initial time delay gaps ITDG: 6 ms; 20 ms; 34 ms; 47 ms; anechoic reference
Purcell's Trumpet Voluntary 38 in a computer model of Elmia Concert Hall. Different seats, different clarity (C80):
4.7 dB; -1.3 dB; -12 dB. Same in Anechoic (Dry) Recording
Educational
Pipes and harmonics. How do resonances in flutes, clarinets and saxophones depend on bore and length?
What is a decibel?
What is a Sound Spectrum?
Experienced saxophonists learn to tune their vocal tracts
Clarinet acoustics compendium
Voice Acoustics: Why so different? Opera singing vs Musical theatre singing. Physical aspects.
Voice Acoustics: An introduction
Brass instrument acoustics—An introduction
Guitar acoustics
Five lectures: The Acoustics of the Piano
What is a Wave? (with animation)
Driving Room Modes: Source Location (with animation)
The acoustics of harmonic singing
How harmonic are harmonics?
What is acoustic impedance and why is it important?
The musician’s uncertainty principle and Heisenberg's uncertainty principle
Papers
D Griesinger: How loud is my reverberation? (pdf, no figures) (Word doc with figures)
D Griesinger: Why do Concert Halls sound different – and how can we design them to sound better?
P Svensson: “The Early History of Ray Tracing in Room Acoustics”
J Meyer: "Acoustical aspects of the conductor's situation in front of the orchestra"
J Sundberg: "Arriving in time. A major concern for conductors & musicians"
A Krokstad: "The hundred years cycle in room acoustic research and design"
A Krokstad: "The common-mode rejection of the ear and its influence on the hearing of born and unborn"
G Fleischer: "Strategies of the hearing system against noise and auditory damage"
L Beranek: “Concert Hall Acoustics 2008”
L Beranek: “Objective and subjective evaluations of 23 opera houses in Europe, Japan and the Americas”
L Beranek: “Subjective rank-orderings and measurements of 58 concert halls”
L Beranek: “Analysis of Sabine and Eyring equations and their application to concert hall audience and chair absorption”
M Barron: Using the standard on objective measures for concert auditoria, ISO 3382, to give reliable results
Witew, Behler, Vorländer: About just noticeable differences for aspects of spatial impressions in concert halls
J Jaffe: Innovative approaches to the design of symphony halls
Ueno, Kanamori Tachibana: A sound field simulation system for the study of ensemble performance on a concert hall stage
Rossing, Yoo, Morrison: Acoustics of percussion instruments: An update
Furuya et al: The influence of total and directional energy of late sound on listener envelopment
O’Donovan, Duraiswami, Zotkin: Imaging concert hall acoustics using visual and audio cameras
Reflectors and canopies
Scattering from a flat surface
Overhead canopy design, cut off frequency
Overhead canopy design: Polar response from a flat surface
Overhead canopy design: Far Field scattering from a periodic array
Near Field scattering from a periodic array
The Evolution of the Scattering Coefficient
Introduction
Reverberation Chamber Method
Diffusion Coefficient
Scattering Coefficient, Part 1
Scattering Coefficient, Part 2
Theoretical
The Fresnel-Kirchhoff Diffraction Integral
Acoustic terms and definitions
Acoustics Dictionary
Acoustics FAQs
Introduction to Huygen’s Principle
Acoustic sources
Autocorrelation
Cross Correlation
Cepstrum
Waves, Acoustics and Vibration Theory by Dr James B Calvert
www
Music from a tree
Reverberation in a Small Room (with demo)
Visualizing Concert Hall Reverberation
Acoustic Visualization
Acoustic Image Overlay: Real time Image transfer
Sound of Big Bang (wav demo)
Big Bang Acoustics
