NOISE CONTROL NOISE CONTROL SOUND SCAPE SOUND SCAPE
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Noice Control with a “healthy building” is a new requirement in modern society to ensure functionality and the quality of architecture. UNDERSTANDING NOISE Healthy living environment The noise of the living environment may lead to cardiovascular and cerebrovascular diseases, sleep problems, irritability, and cognitive disorders in children
VIBRATION CONTROL = NOISE CONTROL VIBRATION DAMPING: REDUCE NOISE FROM GUARDS, HOPPERS, CONVEYORS, TANKS… VIBRATION ISOLATION PADS:ISOLATE MOTORS, PUMPS, HYDRAULICS FROM NOISE AMPLIFYING SOUNDING BOARDS … FAN NOISE CONTROL FAN INSTALLATION AND EFFICIENCY: MAXIMUM EFFICIENCY = MINIMUM NOISE – FAN INSTALLATION BEST PRACTICE GUIDE AERODYNAMIC FAN NOISE CONTROL – SILENCING WITHOUT SILENCERS: RETRO-FIT MODIFICATIONS = LESS NOISE + HIGHER EFFICIENCY
ENVIRONMENTAL NOISE 3 TYPES OF NOISE
2. INDOOR NOISE 3 TYPES OF NOISE AIRBORNE SOUND BUILDING TRANSMITTED SOUND
3. SOCIAL NOISE 3 TYPES OF NOISE CAN CAUSE PEOPLE TO IGNORE OR AVOID INFORMATION THEY BELIEVE COULD CAUSE CONFLICT OR REFLECT BADLY ON THEM ONE OR MORE OF THE FOUR CONSTRUCTS CAN AFFECT INFORMATION BEHAVIOR, A PERSON MAY RESPOND TO INFORMATION ON SOCIAL MEDIA IN WAYS THAT DO NOT ACCURATELY REFLECT THEIR TRUE BELIEFS AND OPINIONS OUR TENDENCY TO BELIEVE INFORMATION IS TRUE BY DEFAULT UNTIL WE HAVE OVERWHELMING EVIDENCE TO THE CONTRARY.
HEALTHY LIVING ENVIRONMENT
3 MAIN PRINCIPLES OF NOISE CONTROL SOURCE CONTROL PATH CONTROL RECEIVER
• REDUCING THE AMOUNT OF SOUND THAT IS PRODUCED BY A GIVEN PROCESS, OPERATION OR ACTIVITY. • BLOCKING, OR CONTAINING-AND-DISSIPATING THE SOUND. • REDUCING EXCESSIVE ROOM REVERBERATION. • PREVENTING THE TRANSMISSION OF NOISE BY THE INTRODUCTION OF A MASS BARRIER. • USING A POROUS MATERIAL WHICH ACTS AS A ‘NOISE SPONGE’ BY CONVERTING THE SOUND ENERGY INTO HEAT WITHIN THE MATERIAL. • APPLYING VIBRATION DAMPING FOR LARGE VIBRATING SURFACES. • REDUCING THE NOISE OUTPUT AT ITS SOURCE, MINIMIZING THE NOISE AS IT TRAVELS ALONG A PATH TO THE LISTENER, AND PROVIDING EQUIPMENT TO THE LISTENER OR RECEIVER TO ATTENUATE THE NOISE.
SOURCE CONTROL FOCUSES ON REDUCING NOISE AT ITS ORIGIN INVOLVES USING QUIETER EQUIPMENT, IMPLEMENTING NOISE-REDUCING TECHNOLOGIES, AND MAINTAINING MACHINERY PRINCIPLES OF NOISE CONTROL CONTROL THE SOURCE
HOW CAN WE CONTROL NOISE AT SOURCE JUDICIOUS SITTING OF THE MECHANICAL EQUIPMENT PROPER MAINTENANCE PROPER MATERIAL OF MACHINE PART EXAMPLE: NYLON GEARS CAN BE USED INSTEAD OF METAL GEARS CHOICE OF LOW NOISE MECHANICAL EQUIPMENT
2. PATH CONTROL AIMS TO BLOCK OR REDIRECT THE TRANSMISSION PATH OF NOISE ACHIEVED THROUGH THE USE OF PHYSICAL BARRIERS, SOUNDPROOFING MATERIALS, AND STRATEGIC PLACEMENT OF STRUCTURES PRINCIPLES OF NOISE CONTROL BLOCK THE PATH
HOW CAN WE CONTROL NOISE AT PATH NOISE INSULATOR NOISE ABSORBER
3. RECIEVER CONTROL PROTECTING INDIVIDUALS OR EQUIPMENT FROM THE EFFECTS OF NOISE EXPOSURE PROVIDING PERSONAL PROTECTIVE EQUIPMENT (PPE) PRINCIPLES OF NOISE CONTROL ENCLOSE THE RECIEVER
HOW CAN WE CONTROL NOISE AT RECIEVER USE HEADSETS AND EAR PLUGS IN INDUSTRY DOORS AND WINDOWS SHOULD BE WELL SEALED VENTILATION OPENING SHOULD BE PROVIDED WITH ACOUSTICS ATTENUATORS INTERNAL SURFACE SHOULD BE MADE OF ABSORPTIVE MATERIALS INNOVATIVE BUILDING DESIGN MAY BE USED TO PREVENT OR REDUCE THE INTRUSION OF NOISE
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SOUNSCAPE DESIGN & MANAGEMENT SENSE OF PLACE HEALTH & WELL-BEING CULTURAL & ECOLOGICAL PRESERVATION LISTENING & AWARENESS COMMUNITY HARMONY IMPORTANCE OF SOUNDSCAPE
In our increasingly urbanized world, noise pollution has emerged as a significant environmental concern, affecting the health, well-being, and quality of life of millions of people. As cities grow and transportation networks expand, the relentless hum of traffic, construction, and industrial activities has become an ever-present backdrop to urban living. In response, governments, urban planners, architects, and environmentalists are exploring innovative strategies to mitigate noise pollution and enhance the acoustic environment through soundscaping projects. STRATEGIES AND EXAMPLES
REAL-WORLD EXAMPLES NOISE CONTROL & SOUNDSCAPE
THE HIGH LINE, NEW YORK CITY, USA BUILT ON A FORMER RAILWAY LINE IN MANHATTAN. IN ADDITION TO PROVIDING GREEN SPACE IN A DENSELY POPULATED URBAN AREA, THE PROJECT INCORPORATED SOUND-ABSORBING MATERIALS, SUCH AS PERFORATED METAL PANELS AND VEGETATION, TO MITIGATE NOISE FROM NEARBY TRAFFIC AND CREATE A MORE PLEASANT ACOUSTIC ENVIRONMENT FOR VISITORS. THE INTEGRATION OF LANDSCAPING AND ARCHITECTURAL ELEMENTS HELPED TRANSFORM THE AREA INTO A TRANQUIL OASIS AMIDST THE BUSTLING CITYSCAPE.
SOUNDSCAPE PARK, MIAMI BEACH, USA: DESIGNED TO HOST CULTURAL EVENTS AND PERFORMANCES WHILE ALSO SERVING AS A PUBLIC PARK. THE PROJECT UTILIZED SOUND-ABSORBING MATERIALS AND STRATEGIC LANDSCAPING TO MINIMIZE NOISE FROM SURROUNDING STREETS AND ENHANCE THE ACOUSTICS WITHIN THE PARK. ADDITIONALLY, STATE-OF-THE-ART SOUND REINFORCEMENT SYSTEMS WERE INSTALLED TO ENSURE HIGH-QUALITY AUDIO EXPERIENCES DURING CONCERTS AND EVENTS, CONTRIBUTING TO THE PARK'S REPUTATION AS A PREMIER DESTINATION FOR OUTDOOR ENTERTAINMENT.
THE LURIE GARDEN, MILLENNIUM PARK, CHICAGO, USA: DESIGNED TO PROVIDE A PEACEFUL RETREAT IN THE HEART OF THE CITY, THE GARDEN INCORPORATES NATURAL FEATURES, INCLUDING TREES, SHRUBS, AND WATER ELEMENTS, TO ABSORB AND DIFFUSE URBAN NOISE. CAREFUL SELECTION OF PLANT SPECIES AND LANDSCAPING TECHNIQUES HELPS TO CREATE A TRANQUIL SOUNDSCAPE, MASKING THE SOUNDS OF NEARBY TRAFFIC AND CREATING A SENSE OF SERENITY FOR VISITORS.
THE QUIET PAVEMENT PROJECT INNOVATIVE ROAD SURFACES THAT REDUCE TIRE-PAVEMENT NOISE. BY USING SPECIALIZED MATERIALS AND TEXTURES, SUCH AS POROUS ASPHALT AND STONE MASTIC ASPHALT, THESE QUIET PAVEMENTS CAN SIGNIFICANTLY DECREASE TRAFFIC-RELATED NOISE POLLUTION ALONG HIGHWAYS AND URBAN STREETS. PILOT PROJECTS IN CITIES AROUND THE WORLD HAVE DEMONSTRATED THE EFFECTIVENESS OF QUIET PAVEMENT TECHNOLOGIES IN IMPROVING THE ACOUSTIC ENVIRONMENT FOR NEARBY RESIDENTS AND COMMUTERS.
EMERGING TRENDS AND TECHNOLOGIES IN NOISE REDUCTION AND SOUND ENHANCEMENT
ACTIVE NOISE CANCELLATION (ANC) BECOME INCREASINGLY PREVALENT IN HEADPHONES, EARBUDS, AND EVEN IN-CAR AUDIO SYSTEMS. ANC WORKS BY USING MICROPHONES TO PICK UP EXTERNAL NOISE AND THEN GENERATING ANTI-NOISE TO CANCEL IT OUT. ONE EMERGING TREND WITHIN ANC IS THE DEVELOPMENT OF MORE EFFICIENT ALGORITHMS AND HARDWARE TO IMPROVE NOISE CANCELLATION PERFORMANCE WHILE CONSUMING LESS POWER.
BONE CONDUCTION TECHNOLOGY (BCT) HEADPHONES AND SPEAKERS TRANSMIT SOUND VIBRATIONS THROUGH THE BONES OF THE SKULL DIRECTLY TO THE INNER EAR, BYPASSING THE EARDRUM. THIS TECHNOLOGY IS PARTICULARLY USEFUL FOR INDIVIDUALS WITH HEARING IMPAIRMENTS OR THOSE WHO NEED TO MAINTAIN SITUATIONAL AWARENESS WHILE LISTENING TO AUDIO CONTENT. RECENT ADVANCEMENTS HAVE IMPROVED THE SOUND QUALITY AND COMFORT OF BONE CONDUCTION DEVICES.
NOISE CON T ROL SOUNDS OF DISCOMFORT REDUCING LEVEL AT A SOURCE, RECIEVER OR IN THE TRANSMISSION PATH AIMING TO REDUCE THE NEGATIVE IMPACT ON HUMAN BEING
SOUND SCAPE SOUND SCAPE ENVIRONMENT SOUNDS OF PREFERENCE CHARACTERISTIC OF SOUND OF AN ENVIRONMENT ACCOUSTICS OR ENVIRONMENT THAT LESSENS THE NOISE ENCOMPASS THE ENTIRETY OF THE AUDITORY ENVIRONMENT AND CONSIDER BOTH DESIRABLE AND UNDESIRABLE SOUNDS
IN NOISE CONTROL SOUND IS SEEN AS A WASTE . IN SOUNDSCAPE PLANNING SOUND IS SEEN AS A RESOURCE - AND THE INTENT IS MANAGEMENT OF THIS HIGH ACOUSTIC QUALITY RESOURCE.