ENF1104 Problem Solving for Engineers – Acoustic Project Reverberation Time Broad definition: Time taken for sound level in a room to reduce by 60 dB.

Slides:

Advertisements

Similar presentations

Reverberation time. Reverberation time (1) Lets consider a room containing an active sound source, and lets abruptly interrupt the emission of sound energy.

Advertisements

Angelo Farina Dip. di Ingegneria Industriale - Università di Parma Parco Area delle Scienze 181/A, Parma – Italy

Angelo Farina Dip. di Ingegneria Industriale - Università di Parma Parco Area delle Scienze 181/A, Parma – Italy

Instructional Technology vs. Educational Technology

DERIVATIVES 3. DERIVATIVES In this chapter, we begin our study of differential calculus.  This is concerned with how one quantity changes in relation.

1 Filters Definition: A filter is a frequency selective system that allows energy at certain frequencies and attenuates the rest.

Abigail Stefaniw Room Acoustics for Classrooms: measurement techniques University of Georgia Classroom Acoustics Seminar.

Acoustics of Concert Halls and Rooms SOME BASICS OF ARCHITECTURAL ACOUSTICS Auditorium Acoustics Science of Sound, Chapter 23 Principles of Vibration and.

Microphones and Room Acoustics and Their Influence on Voice Signals Svante Granqvist 1, Jan Švec 2 1 Department of Speech, Music and Hearing (TMH), Royal.

Musical Sound Processing Student Name: 鄭建健

Reverberation parameters and concepts Absorption co-efficient

Chapter 3 Linear and Exponential Changes 3

Sound pressure measurement: sound level meters

Computer Science & Engineering 2111 Data Validation and Macros 1 CSE 2111 Lecture-Data Validation and Macros.

Acoustics Reverberation.

STEM Community Challenge Dr Steve Dorney 16 July 2011.

Copyright ©2011 by Pearson Education, Inc. publishing as Pearson [imprint] Introductory Circuit Analysis, 12/e Boylestad Chapter 21 Decibels, Filters,

Intensity, Intensity Level, and Intensity Spectrum Level

 Definition  Telepresence vs Video Conference  Advantages of Telepresence  Technologies  Applications  Conclusion.

Writing an Equation Using Two Points Goal: to write an equation of a line, in slope intercept form, that passes through two points.

BA , 1 Basic Concepts of Sound Contents: Definitions dB Conversion Sound Fields dB ± dB.

NUMERICAL ERROR Student Notes ENGR 351 Numerical Methods for Engineers Southern Illinois University Carbondale College of Engineering Dr. L.R. Chevalier.

Acoustics Research Group, Department of Electrical & Computer Engineering, University of Canterbury, New Zealand Acoustics Research Group Towards an understanding.

Developing a model to explain and stimulate the perception of sounds in three dimensions David Kraljevich and Chris Dove.

By: Shon John C-Palmz. What type of wave is Sound?

Automatic Equalization for Live Venue Sound Systems Damien Dooley, Final Year ECE Final Presentation, Thursday 10 th April 2008.

REVERBERATION TIME DEFINITION:

2.4 Rates of Change and Tangent Lines Calculus. Finding average rate of change.

1 Sound Field Modeling in Architectural Acoustics using a Diffusion Equation Based Model N. Fortin 1,2, J. Picaut 2, A. Billon 3, V. Valeau 4, A. Sakout.

Sound field descriptors Eng.Ivaylo Hristev. Contents 1. Wave acoustics. Room resonances. 2. Ray acoustics. Raytracing. 3.Statistical acoustics. Reverberation.

Lab Team Jobs Why have specific jobs? Can one person do all the jobs well?

Kinematics Average Acceleration. Variables In addition to the variables previously used to calculate average velocity (v avg ), we add one more: a- acceleration.

EE Audio Signals and Systems Room Acoustics Kevin D. Donohue Electrical and Computer Engineering University of Kentucky.

Copyright ©2011 by Pearson Education, Inc. publishing as Pearson [imprint] Introductory Circuit Analysis, 12/e Boylestad Chapter 21 Decibels, Filters,

Logarithms – An Introduction Check for Understanding – Prove basic properties of logarithms using properties of exponents and apply those properties.

Alexis Billona, Vincent Valeaua, Judicaël Picautb, Anas Sakouta

Automatic Equalization for Live Venue Sound Systems Damien Dooley, Final Year ECE Progress To Date, Monday 21 st January 2008.

Automatic Equalization for Live Venue Sound Systems Damien Dooley, Final Year ECE Initial Presentation, Tuesday 2 nd October 2007.

Computer Sound Synthesis 2 MUS_TECH 335 Selected Topics.

Room Acoustics DHC 161 March 2, Early sound in a room.

Linearization, Newton’s Method

By: Nelson Webster. Algorithm Engineers Algorithm engineers study the effectiveness and efficiency of procedures of solving problems on a computer.

Project-Final Presentation Blind Dereverberation Algorithm for Speech Signals Based on Multi-channel Linear Prediction Supervisor: Alexander Bertrand Authors:

3:00. 2:59 2:58 2:57 2:56 2:55 2:54 2:53 2:52.

Objectives Determine tangent lines to functions for a given point Compute the slope of curves Compute Instantaneous rate of change.

12 FURTHER MATHEMATICS Modelling growth and decay using recursion.

Simulation of the acoustics of coupled rooms by numerical resolution of a diffusion equation V. Valeau a, J. Picaut b, A. Sakout a, A. Billon a a LEPTAB,

Top Most Valid Reasons To Build Professional Recording Studio.

Recording your song. Lesson Objectives Understand how to record your song using the studio Understand how to record your song using the studio Have a.

? If a tree fell in a wood and there was no-one there to hear it – would it make a sound?

What do different reverberation times sound like? Demonstrate

Top Fire Protection Services Ottawa available on Dubinskyconstruction

Auditorium Acoustics Science of Sound, Chapter 23

Force and Motion in 2-D.

Name the slope and y-intercept

Unit 3 Review (Calculator)

Around the room Orders of operations.

System Development Methodology

Senior Project – Computer Engineering Active Noise Cancellation For the Attenuation of Sound Stephen E. Lee Advisor – Prof. Catravas Results One.

Represents a given point on the line.

Calculate 9 x 81 = x 3 3 x 3 x 3 x 3 3 x 3 x 3 x 3 x 3 x 3 x =

Objectives: To graph lines using the slope-intercept equation

13 – Exponential vs. Linear Functions Calculator Required

How to allow the program to know when to stop a loop.

MSD I Review February 22, 2008 (9:00 AM) Room

Presentation transcript:

ENF1104 Problem Solving for Engineers – Acoustic Project Reverberation Time Broad definition: Time taken for sound level in a room to reduce by 60 dB

ENF1104 Problem Solving for Engineers – Acoustic Project Reverberation Time Procedure for measuring Generate suitable sound Initiate recording Interrupt sound generation Stop recording Display recorded data Compute sound magnitude vs time Compute slope of acoustic decay Calculate Reverberation Time

ENF1104 Problem Solving for Engineers – Acoustic Project Reverberation Time - Example Moving RMS [Pa] Recorded sound [Pa] Moving RMS [dB] Decay slope [dB/s]