Concepts
Calculation Units
Concepts
Blank Sheets
Summary Sheet
1/1 Octave
1/3 Octave
LF 1/3 Octave
Reverberation Time
Mechanical
Crosstalk
Mechanical to Atmosphere Sheet
TemplatesSettings
Meters
Loggers
Software
Kaidacity: Import Result
Kaidacity: Export Filter
Odeon: Analyse Impulse Response
Odeon: Analyse Decay Curves
winMLS: Import Data
Insul: Import from Clipboard
Library
Absorption
Attenuator Insertion Loss
Attenuator Regen
Musical Instruments
Rain Noise
Sound Levels
Transmission Loss
Empirical
Absorption Chiller
Air Compressor (Large)
Air Compressor (Small)
Air-cooled Condenser
Boiler
Chiller
Cooling Tower
Cooling Tower Half Speed Correction
Cooling Tower Directivity
Cooling Tower Array End Correction
Electric Motor (Large)
Electric Motor (Small)
Fan
Fan Casing Correction
AHU Casing Correction
Gas Turbine
Generator
Internal Combustion Engine
Muffler
Typical PA Loudspeaker Level
Typical PA Loudspeaker Directivity
Packaged HVAC Outdoor Unit
Pump
Steam Turbine
Transformer
Speech Levels
In-situ Ceiling Loss
Fan Installation CorrectionsRatings
dB(Z)
dB(A)
dB(B)
dB(C)
dB(D)
dB(H)
dB(R)
PN dB
LDN
LDEN
NR
NC
PNC
RC(I)
RC(II)
RNC
NCB
ISO226 (Pure Tone)
ISO226 (Random Noise)
Noys
G
Rw
C Adaptation Term
C50-3150 Adaptation Term
Ctr Adaptation Term
Rw+C
Rw+Ctr
Rw(C;Ctr)
STC
OITC
Lnw
Lnw+Ci
Lnw50
IIC
Speech Privacy
Dn,e
NRC
AlphaW
Absorption Class
SAA
VC
ASHRAE Curve
eVDV
Response Factor
Curves
A-weighting
B-weighting
C-weighting
D-weighting
H-weighting
R-weighting
NR
NC
PNC
N-1
RC(I)
RC(II)
RNC
NCB
N
GT
Fletcher Munson ISO226 (Pure Tone)
Fletcher Munson ISO226 (Random)
Equal-Noisiness (ISO3891)
G-Curve
Rw
STC
Ln,w
IIC
Alpha_W
AS 2670.2 (Building)
VC (Building)
ASHRAE (Building)
NIST-A (Building)
BS 5228 (Building Damage)
BS 7385.2 (Building Damage)
BS 6841 (Human Perception)
Design Criteria
Fundamentals
Speed of Sound
Flow Resistivity
Bandwidth
Conversion Factors
Wavelength
Angular Wavenumber
Number of Sources
Time Correction
Area Correction
ContingencyPropagation
Point Source
Plane Source
Line Source
Array of Point Sources
Conformal Area
Parallelpiped
Angle of View Correction
Ratio of Distances
SEL from Moving Point Source
Directivity
Auditorium Acoustics
Reflection from Finite Surface
Early Sound Level (Speech)
Early Sound Level (Music)
Late Sound Level (Speech)
Late Sound Level (Music)
Musical Clarity (C80)
Speech Clarity (D50)
Stage Support Index (ST1/ST2)
Building Acoustics
Reverberation Time
Quick RT
Coupled Room Decay
Schröder Frequency
Room Modal Density (Bolt)
Alpha From RT
Porous Absorber
Baffle Absorption
Resonant (Helmholtz) Absorber
Perforated Metals (Schultz)
Absorption from Lightweight Wall
Absorption from Heavyweight Wall
Reverberant Level (from RT)
Reverberant Level (from Room Constant)
Reverberant Level in Small Rooms (Schultz)
Reverberant Level in Long/Wide Room (Kuttruff)
Room Constant
Standardise to 0.5s RT
Composite TL
10log(S/A) Correction
Sound Level Difference
BBN Double Wall TL
Enclosure
Floating Floor Correction
Indoor Barrier
Room to Room Transfer
Noise Breakout from Room
Inside to Outside Noise Transfer
Facade Noise Break-in
Transmission Loss
Rw
C Adaptation Term
Ctr Adaptation Term
Rw+C
Rw+Ctr
Rw(C;Ctr)
STC
Ln,w
IIC
Speech Privacy
Speech Privacy Class
Transmission Loss Prediction
Composite TL
10log(S/A) Correction
Sound Level Difference
BBN Double Wall TL
Mechanical Services
VDI2081
Heating/Cooling Coils
Bag Filter
Roll Filter
Humidifier
Weather Louvre
Thermal Wheel
Straight Duct
Flexible Duct
Duct Bend
Split/Junction
Plenum
End Reflection
Attenuator/Silencer
Straight Duct
Duct Bend
Junction
Duct Contraction
Damper
Duct Fitting
Grilles
Attenuator (Empirical)
Attenuator (NAP Silentflow)
Attenuator (FanTech)
Duct Breakout (Allen)
Flexible Duct Breakout
Duct Breakin
Duct Transmission Loss
Duct TL Low Frequency Correction
Ceiling/Plenum/Room Loss (ASHRAE)
Environmental Noise
Atmospheric Attenuation
Barrier Attenuation
Ground Attenuation
CONCAWE Meteorological Correction
CONCAWE Source Height Correction
Barrier Reflection Loss
Reflection from Surface
Dense Foliage Excess Attenuation
Industrial Site Excess Attenuation
Semi-Reverberant Couryard (Room Constant)
Harmonoise Excess Attenuation
Airblast from Blasting
Mobile Plant on Haul Roads
Tonality ISO 1996-2:2017
VIC EPA 1826.4 Tonality
Vibration
VC
ASHRAE
eVDV
Response Factor
Resonant Frequency from Static Deflection
Static Deflection from Resonant Frequency
Bearing Pad Sizer
Isolation Attenuation
Isolation Efficiency
Ground Vibration from Blasting
Airblast Overpressure from Blasting
Vibrating Compaction
Dynamic Compaction
Impact Piling
Vibratory Piling
Vibro Replacement
Tunnelling Vibration
Tunnelling Noise
Building Foundation Losses
Building Amplification
Vibration Attenuation per Floor
Acceleration Attenuation per Floor
Composite Natural Frequency of Floating Floor
Vibration Converter
Lw from a Vibrating Surface
Electroacoustics
Audio Visual
Theatre Consulting
Row Ops.
Logarithmic Addition
Logarithmic Subtraction
Logarithmic Average
RMS Addition
RMS Subtraction
RMS Average
Linear Addition
Linear Subtraction
Linear Average
Copy Cell Unformatted Right
Change Sign of Row(s)
Paste Values
Insert Row(s)
Delete Row(s)
Clear Row(s)
Update RowBandwidth Ops.
Convert 1/3 Octave Level to 1/1 Octave
Convert 1/3 Octave Loss to 1/1 Octave
Convert 1/3 Octave Absorption/RT to 1/1 Octave
Interpolate 1/1 Octave Level to 1/3 Octave
Interpolate 1/1 Octave Loss to 1/3 Octave
Interpolate 1/1 Octave Absorption/RT to 1/3 Octave
Graphing
Insert Level Graph (Colour)
Insert RT Graph (Colour)
Insert Absorption Graph (Colour)
Insert Level Graph (BW)
Insert RT Graph (BW)
Insert Absorption Graph (BW)
Add Rows to Graph
Resize Graphs
References
Formatting
Extra Tools
Kaidacity
How To "Strutt"
Import Levels from Kaidacity
Export Filter to Kaidacity
Multirow Crossreferencing
Copy Cell Unformatted Right
Set Startup Sheet Preference
Changing Octave Bandwidths
Help! Strutt isn't Installing!
Sparklines
Exact Centre Frequencies
Understanding the Mechanical Calculation Methods
How To Use the Summary Page / Sheet Result
How To Use the Scheduling Feature
Transmission Loss Prediction Methods
(Un)Freeze Strutt Headers
How to format cells... the Strutt way
Introduction to Mechanical Calculations
Excel Separators (for European Users)