'Sound pressure' diaporamas de présentation

Quick Review

Colour vision concluded LGN Story Visual Cortex story Colour vision in Animals. Quick Review. Hearing: Physiology and Psychoacoustics. The Function of Hearing. The basics Nature of sound Anatomy and physiology of the auditory system How we perceive loudness and pitch

1.15k views • 99 slides

Spoken Language Structure

Spoken Language Structure. Berlin Chen Department of Computer Science & Information Engineering National Taiwan Normal University. References: - X. Huang et. al., Spoken Language Processing, Chapter 2 - ????????????? Chapters 2~3. Introduction.

882 views • 67 slides

Mingyu Kang

Problem # 7. Hearing Light. Mingyu Kang. Team Korea. Problem Statement. Drilled hole. Connected to AC. Layer of soot. DISTINCT SOUND?. W HY does the sound occur?. Soot absorbs light. Absorption coefficient ( : depth through sample). Absolutely opaque: ALL light is absorbed.

864 views • 65 slides

Rob van der Willigen ~robvdw/cnpa04/coll1/AudPerc_2007_P6

731 views • 51 slides

Learning Objectives

Learning Objectives. Describe how speakers control frequency and amplitude of vocal fold vibration Describe psychophysical attributes of pitch , loudness and quality in physiological and acoustic terms

709 views • 49 slides

Golden rules of Comfort and energy efficiency

Golden rules of Comfort and energy efficiency. By Daikin Europe N.V. Agenda. A. Golden rules of comfort Thermal comfort Acoustic comfort B. Golden rules of energy efficiency What do we consume? How to improve ? Energy performance of buildings directive. A. Golden rules of comfort.

647 views • 43 slides

ChucK! Part 1: Basics of digital audio and ChucK

ChucK! Part 1: Basics of digital audio and ChucK. Rebecca Fiebrink Princeton University. About me. PhD student in Computer Science at Princeton background in computer science, classical flute, and music technology

593 views • 36 slides

SOUND PRESSURE, POWER AND LOUDNESS

SOUND PRESSURE, POWER AND LOUDNESS. MUSICAL ACOUSTICS. Science of Sound Chapter 6. DECIBEL SCALES. Decibel scales are used to compare two quantities (levels) ? L = L 2 - L 1 = 10 log W 2 /W 1 or to compare a level with a reference level

542 views • 35 slides

A Biomimetic Apparatus for Sound Source Localization

511 views • 33 slides

Applied Psychoacoustics Lecture 1: Anatomy and Physiology of the human auditory system

Applied Psychoacoustics Lecture 1: Anatomy and Physiology of the human auditory system. Jonas Braasch. Overview of the Human Ear. Outer Ear. Pinna: External cartiledge Provides direction dependent frequency cues for sound localization through spectral filtering

763 views • 31 slides

SOUND PRESSURE, POWER AND LOUDNESS

513 views • 31 slides

Sound and Digital Audio

Sound and Digital Audio. From the air to the iPod. What is Sound?. Minute disturbances in the air, caused by a vibrating object Air molecules bunch together, then spread out Changes in density (air pressure, or sound pressure ) Causes a chain reaction; sound pressure wave propagates.

403 views • 28 slides

Compendium of Pile Driving Sound Data

Compendium of Pile Driving Sound Data. James Reyff Illingworth & Rodkin, Inc. 2006 Summer Meeting TRB ACD40 Williamsburg, VA. Purpose for the Compendium. Document Available Underwater Pile Driving Sound Levels Provide data for biological assessments

428 views • 27 slides

JC TECHNOLOGY GROUP CO., LIMITED Accessory catalog

JC TECHNOLOGY GROUP CO., LIMITED Accessory catalog. Siren, Strobe. Panic buttons,. Door sensors. JC TECHNOLOGY GROUP - your 24h security guard. Siren, Strobes. Siren Horn JC-626. *Rated voltage: DC12V *Working voltage:9~13VDC *Working current:280~480mA *Rated Power:15W

387 views • 26 slides

Littelfuse Startco Arc Flash Relay PGR-8800

Littelfuse Startco Arc Flash Relay PGR-8800. Arc Faults: Costly and Dangerous. Dangers Fires Burns Injury Death Costs Collateral damage Equipment replacement Downtime Labour. Arc Flash / Blast Statistics. Over 1000 people die each year from electrical accidents*

465 views • 24 slides

SOUND WAVES AND SOUND FIELDS

SOUND WAVES AND SOUND FIELDS. Acoustics of Concert Halls and Rooms. Principles of Sound and Vibration, Chapter 6 Science of Sound, Chapter 6. THE ACOUSTIC WAVE EQUATION. The acoustic wave equation is generally derived by considering an ideal fluid (a mathematical fiction).

493 views • 24 slides

Study of the effect of AVAS on road traffic noise

QRTV-07-07. Study of the effect of AVAS on road traffic noise. JASIC. Contents. Calculation flow of road traffic noise Effect of the increase of EV Influence of the installation of AVAS. Calculation flow of road traffic noise Effect of the increase of EV

380 views • 24 slides

Hearing and Noise

388 views • 18 slides

Introduction

Introduction. Welcome. What is Ultrasound?. ul - tra -sound is a cyclic sound pressure wave with a frequency greater than the upper limit of human hearing. Frequency band of sound:. Audible Sound. Ultrasound. Infrasound. Low inaudible Soundwaves. Range of most human hearing.

240 views • 15 slides

infrasound and ultrasound

infrasound and ultrasound. Waves and Sound Kevin Adams 11-2-10 . infrasound and ultrasound. infrasound. ultrasound. ultrasound is a cyclic sound pressure with a frequency greater than the upper limit of human hearing .

950 views • 5 slides