Calculation code characteristics

Physical phenomena

Physical phenomena

SPPS code

TCR code

Direct field

✅

✅

Specular field (specular reflection)

✅

❌

Diffuse field

✅ (using scattering coefficient)

✅ (Sabine, Eyring)

Scattered field (edge scattering)

❌

❌

Surface absorption

✅ (using absorption coefficient)

✅ (using absorption coefficient)

Diffusion by fittings

✅

✅

Atmospheric absorption

✅

✅

Meteorological effects

✅

❌
Receiver type and characteristics

Type/characteristics

SPPS code

TCR code

Punctual receiver

✅

✅

Surface receiver (any face element of the 3D scene)

✅

✅

Surface receiver (any defined plane receivers)

✅

✅
Sound source type and characteristics

Type/characteristics

SPPS code

TCR code

Punctual sound source : omnidirectionnal

✅

✅

Punctual sound source : complex directivity

✅

❌

Surface sound source

❌

❌

Line sound source

as a line of punctual sources

as a line of punctual sources
Acoustical parameters

Type/characteristics

SPPS code

TCR code

Sound level

✅ (dB, dBA)

✅ (Sabine, Eyring, Direct field)

Lateral Sound level

✅ (cos, cos²)

❌

Clarity

✅ (C50, C80, user defined)

❌

Definition

✅ (D50, user defined)

❌

Ts

✅

❌

RT

✅ (RT15, RT30, user defined)

✅ (RT Sabine, RT Eyring)

EDT

✅

✅

ST

✅

❌

LF

✅ (LF80, user defined)

❌

LFC

✅ (LFC80, user defined)

❌

LG

❌

❌

G

❌

❌
Graphical representations

Type/characteristics

SPPS code

TCR code

Echogramm

✅

❌

Spectrum

✅ (total, per sound source)

❌

Sound level map (on surface receivers) : instantaneous

✅

❌

Sound level map (on surface receivers) : cumulative

✅

❌

Sound level map (on surface receivers) : cumulated

✅

✅

Acoustical parameters map (on surface receivers)

✅

❌

Schroeder curves

✅ (data to display)

❌

Intensity

✅ (animation)

❌