SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS SPEECH PRIVACY:  SPEECH PRIVACY DEPENDS ON THE SIGNAL-TO-NOISE RATIO BETWEEN INTRUDING SPEECH LEVEL (SIGNAL) AND THE STEADY BACKGROUND SOUND (NOISE).  THE INTRUDING SPEECH LEVEL IS LARGELY DETERMINED BY THE VOICE EFFORT OF THE SPEAKER (HOW LOUD) AND THE NOISE REDUCTION BETWEEN ENCLOSED ROOMS, OR BETWEEN WORKSTATION IN AN OPEN PLAN.

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS DEGREE OF PRIVACY

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS FACTORS AFFECTING SPEECH PRIVACY

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS  STC RATINGS  OPEN PLENUMS  ROOM ABSORPTION  AREA OF PARTITION  ACOUSTICAL ZONING OPEN PLANS SPEECH PRIVACY IN ENCLOSED ROOMS

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS  STC RATINGS  OPEN PLENUMS  ROOM ABSORPTION  AREA OF PARTITION  ACOUSTICAL ZONING OPEN PLANS OPEN PLENUMS

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS  STC RATINGS  OPEN PLENUMS  ROOM ABSORPTION  AREA OF PARTITION  ACOUSTICAL ZONING OPEN PLANS SOUND ABSORPTION IN THE RECEIVING ROOM

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS  STC RATINGS  OPEN PLENUMS  ROOM ABSORPTION  AREA OF PARTITION  ACOUSTICAL ZONING OPEN PLANS AREA OF THE PARTITION BETWEEN THE TWO ROOMS

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS  STC RATINGS  OPEN PLENUMS  ROOM ABSORPTION  AREA OF PARTITION  ACOUSTICAL ZONING OPEN PLANS ACOUSTICAL ZONING

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS  STC RATINGS  OPEN PLENUMS  ROOM ABSORPTION  AREA OF PARTITION  ACOUSTICAL ZONING OPEN PLANS ACOUSTICAL ZONING

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING SPEECH PRIVACY IN OPEN PLANS

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING SCREENS

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING SCREENS DESIGN CRITERIA FOR ACOUSTICAL SCREENS:  NRC > 0.80 & STC = 25.  SCREENS LESS THAN 4 FEET ARE NORMALLY NOT EFFECTIVE BARRIERS.  2 X WIDER THAN IT IS TALL

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING CEILING TREATMENT

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING CEILING TREATMENT

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING CEILING TREATMENT

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING WALL TREATMENT WALLS:  SOUND- ABSORBING WALL PANELS EXTENDING FROM 2’ TO 6’ ABOVE THE FLOOR.

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING WINDOW TREATMENT WINDOW TREATMENT:  THICK, SOUND- ABSORBING CURTAINS (GREATER THAN 8 OZ./YD 2.  WIDE SLAT, PERFORATED VERTICAL BLINDS (GREATER THAN 3” WIDE) WITH SOUND ABSORBING CORES.

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING WINDOW TREATMENT

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING WINDOW TREATMENT

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING WORKSTATION LAYOUT

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING WORKSTATION LAYOUT

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING WORKSTATION LAYOUT

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING WORKSTATION LAYOUT

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING SOUND MASKING

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING SOUND MASKING

SPEECH PRIVACY INTRODUCTION ACOUSTICAL DEMANDS ENCLOSED ROOMS OPEN PLANS  SCREENS  SOUND ABSORBING FINISHES  WORKSTATION LAYOUT  SOUND MASKING SOUND MASKING