Acoustics saidabouts
”He pronounced the acoustics to be fantastic"
School buildings 'not fit' for learning, say teachers. Acoustics vital.
“...elevated ceiling, high-tech acoustics, huge stage, HD video screens and excellent sightlines”
”Rumbling guitar textures got an extra lift from the venue's unparalleled acoustics"
"I control what I call the visual acoustics," Shulman said
"Simon Rattle talked about losing the will to live after being seated for 30 seconds in the back of the hall”
”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”
”A preview of the new Alice Tully Hall”
”Musicians Hear Heaven in Tully Hall’s New Sound”
”Improved Acoustics Benefit City Opera”
“Dogged by criticism of its acoustics”
“Why Helsinki needs a new concert hall”
Kilden Performing Arts Centre managing director Bentein Baardson: “In addition, it’s acoustically unique.”
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?
Edge tones
What is a decibel?
What is a Sound Spectrum?
Experienced saxophonists learn to tune their vocal tracts
Clarinet acoustics compendium
Voice Acoustics: An introduction
Voice Acoustics: Why so different? Opera singing vs Musical theatre singing. Physical aspects.
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?
Acoustic impedance, intensity and power (with animation)
Tartini tones and temperament
Waves and sound (with animations)
The musician’s uncertainty principle and Heisenberg's uncertainty principle
Most acoustic communication is not language
Auditorium acoustics
The symphony orchestra, typical layout
The symphony orchestra, an interactive guide
The orchestra - a users manual
Acoustics of small rooms
Small room acoustics (with demo)
Introduction to perception of frequencies, harmonics, tones and pitch (12min YouTube)
Audio Acoustics in Small Rooms (ppt)
Room dimensions for small listening rooms
Papers
Proceedings ICA 2010 Proceedings
Proceedings International Symposium on Room Acoustics ISRA 2010 Proceedings
Proceedings International Symposium on Music Acoustics ISMA 2010 Proceedings
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
Kenji Kiyohara, Ken’ichi Furuya, Yutaka Kaneda: Sweeping echoes perceived in a regularly shaped reverberation room
T Cox and P D’Antonio: “Engineering art - The science of concert hall acoustics”
A Løvstad and P Svensson: Diffracted sound field from an orchestra pit
J Bradley: Using ISO 3382 measures, and their extensions, to evaluate acoustical conditions in concert halls
M Morimoto and K Iida: Appropriate frequency bandwidth in measuring interaural cross-correlation as a physical measure of auditory (apparent) source width (ASW)
Allen and Berkley: Image method for efficiently simulating small-room acoustics
A C Gade: Acoustics for symphony orchestras: Status after three decades of experimental research
B Martin: What is the transmission loss of an open window?
Lokki and Pätynen: Lateral reflections are favorable in concert halls due to binaural loudness
S Douady et al: The song of the dunes as a self-synchronized instrument
D’Antonio and Rife: The state of the art in the measurement of acoustical coefficients
K F Hansen The acoustics and performance of DJ scratching
T Lokki Subjective comparison of four concert halls based on binaural impulse responses
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
Spaciousness, ASW, ENV/LEV/LE, LF and 1-iacc
Spaciousness discussion (ASW, LE, LF, 1-iacc)
Typical values of LF and 1-IACC in famous concert halls
Bradley: Comparison of concert hall measurements of spatial impression
De Vries: Spatial fluctuations in measures for spaciousness
Jeon: Effect of sound strength and IACC on perception of listener envelopment in concert hall
Griesinger: Objective measures of spaciousness and envelopment
Beranek: Lateral Fraction and Binaural Quality Index (discussion Concert halls 2008, sect 2 and 3)
Baalman (Thesis): Spaciousness in concert halls. Perceptibility of IACC-differences
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
Sweeping echoes (wav demo)
