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Fast-Find Index by Application
Design Services
Working with a Consultant
Acoustical Measurements to Recognized Standards
Broadcast and Recording Studio Acoustics
Project Studio FAQ
Church and House of Worship Acoustics
Houses of Worship Acoustical Experience
excess reverberation time
Convention and Meeting Facilities
Hotel and Convention Centre Experience
Elementary, Junior and Senior Schools
Music Schools and Band Rooms
Disability Access for Hearing Impaired Persons
School Acoustical Experience
Environmental Noise Impact Studies
Noise: Annoyance and Zoning Regulations
Environmental Assessment Experience
Home Theatre and Listening Room Design
Industrial Noise Control
Industrial Noise Experience
Marine and Shipboard Noise Control
Marine Acoustics Experience
Full Marine Brochure
Mechanical Noise and Vibration Control
Music and Drama Theatre Acoustics
reverberation time
useful reflections
Drama Facilities
Music Facilities
Timms Centre for the Performing Arts
The Muttart Recital Hall
Maple Ridge Bandstand
Performance Facilities Acooustical Experience
Music Schools and Band Rooms
Post-Secondary Education Facilities
Hebb Physics Theatre
Nait - South Learning Centre
SFU - West Mall Complex
Residential and Multi-Family Dwelling Noise Control
Acousticla Do's & Don'ts for the New Home Buyer (Before you make the offer)
Multi-Family Residences Acosutical Experience Sheet
Sports and Recreation Facility Acoustics
Reverberation Time
General Motors Place Arena
Sports Arena Experience
Training, Teaching and Seminars

Project List
Timms Centre for the Arts, University of Alberta - Edmonton, AB
Alberta College Muttart Hall - Edmonton, AB
Squeeky Shoes
General Motors Place Arena
Hebb Physics Theatre, University of British Columbia - Vancouver, BC
Port Moody Civic Centre Council Chamber/Theatre - Port Moody, BC
Northern Alberta Institute of Technology - Edmonton, AB
General Motors Place Arena - Vancouver, BC
Evangelical Chinese Bible Church - Burnaby, BC
Simon Fraser University West Mall Complex - Burnaby, BC
Maple Ridge Bandstand - Maple Ridge, BC
St. Mary's Parish Church - Vancouver, BC
Good Shepherd/Star of the Sea Church - Surrey, BC
Yukon Place Arts Centre - Whitehorse, YT
Lateral Reflections
University of Northern British Columbia Campus - Prince George, BC
Abbotsford Civic Centre - Abbotsford, BC
Manitoba Lotteries Casinos - Winnipeg, MB
NATO Low Level Flight EIS - Goose Bay, NF
GVRD Royal Avenue Sewage Pumping Station - New Westminster, BC
CN Rail Double-Tracking Vibration Study - Kamloops, BC
Department of National Defence - Torpedo and Ship Ranging Vessels

PROJECT EXPERIENCE DATASHEETS
Architectural Acoustical Experience Data Sheet
Health Care Facilities Acoustical Experience Data Sheet
Hotel and Convention Centre Acoustical Experience Data Sheet
Houses of Worship Acoustical Experience Data Sheet
Library Acoustical Experience Data Sheet
Multi-Family Residences Acoustical Experience Data Sheet
Performance Facilities Acoustical Experience Data Sheet
Renovation Projects Acoustical Experience Data Sheet
Research Facilities Acoustical Experience Data Sheet
School Acoustical Experience Data Sheet
Sports Arena Acoustical Experience Data Sheet
Swimming Pool Acoustical Experience Data Sheet
University and College Facilities Acoustical Experience Data Sheet
Environmental Assessment Acoustical Experience Data Sheet
Transportation Noise Assessment Experience Data Sheet
Airport Acoustical Experience Data Sheet
SkyTrain Acoustical Experience Data Sheet
Road Traffic Noise Experience Data Sheet
Truck Noise Assessment Experience Data Sheet
Construction Noise Experience Data Sheet
Mining Noise Assessment Experience Data Sheet
Industrial Noise Experience Data Sheet
Water and Sewage Treatment Plant Noise Experience Data Sheet
Marine Brochure
Marine Acoustics Experience Data Sheet
Rail Noise and Vibration Impact Experience Data Sheet

Design Staff - Short Form Resumes
Douglas Kennedy Detailed C.V.
Douglas Whicker Detailed C.V.
Ping Chen Detailed C.V.
Tiberiu Spulber Detailed C.V.
Mark A. Bliss Detailed C.V.

BKL Bulletins
Use of Resilient Channel in Floor Assemblies with Two Layers of Gypsum Wallboard
Important Notes on Flooring in Multi-Family Dwellings - 2002
Do's and Don'ts for the Noise Sensitive Home Buyer (Before You Make the Offer) - 1998
Noise: Annoyance and Zoning Regulations September 1996
1995 Edition Canadian Building Code - Errors in acoustical details.-February 7/96
Shear bracing in wood frame construction and its effect on sound isolation. -1994

Common Acoustical Problems and 3D Audio Demos
Excess Reverberation Time ("the room sounds kind of echoey")
early reflections
Dry speech sample, no reverb
( .wav file 108kB)
( .au file 55kB)
( Real Audio 3.0B file 25kB)

Speech 0.8 sec reverb time
( .wav file 260kB)
( .au file 130kB)
( Real Audio 3.0B file 30kB)
Speech 1.5 sec reverb time

( .wav file 284kB)
( .au file 142kB)
( Real Audio 3.0B file 33kB)

Speech 2.5 sec reverb time
( .wav file 395kB)
( .au file 197kB)
( Real Audio 3.0B file 45kB)

Speech 5.0 sec reverb time
( .wav file 520kB)
( .au file 310kB)
( Real Audio 3.0B file 71kB)

Speech-boomy room with a 3.0 second LF reverb time
( .wav file 278kB)
( .au file 138kB)
( Real Audio 3.0B file 32kB)

Late Reflections, or Slap Echoes ("it really does sound echoey")
delayed signals ( .au file 140kB ) / ( Real Audio 3.0B file 30kB )
several loudspeakers ( .au file 121kB ) / ( Real Audio 3.0B file 28kB )
late reflection example ( .au file 59kB ) / ( Real Audio 3.0B file 30kB )
Full range speech sample ( .au file 55kB ) / ( Real Audio 3.0B file 24kB )
Loss of consonants in speech over a telephone ( .au file 54kB )
Speech with high loss of consonants ( .au file 110kB ) / ( Real Audio 3.0B file 25kB )

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e-mail: sound@bkl.ca