66 lines
1.6 KiB
Julia
66 lines
1.6 KiB
Julia
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export AbstractRoom, RectangularRoom
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export AbstractRIRConfig, ISMConfig
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export Node, Event
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abstract type AbstractRoom end
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struct RectangularRoom{T<:Real} <: AbstractRoom
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c::T # Sound wave velocity
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L::Tuple{T,T,T} # size of room (x, y, z)
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β::Tuple{T,T,T,T,T,T} # absorption coeffictions for walls
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end
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abstract type AbstractRIRConfig end
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"""
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"""
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@kwdef struct ISMConfig{T<:Real,I<:Integer,R<:AbstractRNG} <: AbstractRIRConfig
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order::Tuple{I,I} = (0, -1) # Order of reflection [low, high]
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fs::T = 16e3 # Sampling frequency
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N::I = 4000 # Number of samples in impulse response
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Wd::T = 8e-3 # Single impulse width
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hp::Bool = true # High pass filter
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isd::T = 0.0 # Image source distortion (randomized image method)
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lrng::R = GLOBAL_RNG # Local randon number generator
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end
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function ISMConfig(
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order=(0, -1),
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fs=16000.0,
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N=4000,
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Wd=8e-3,
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hp=true,
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isd=0.0,
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lrng=GLOBAL_RNG
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)
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ISMConfig(order, fs, N, Wd, hp, isd, lrng)
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end
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struct Node{T<:Real}
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rx::TxRxArray{T}
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fs::T
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δ::T
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function Node(rx, fs::T, δ::T = 0.0) where T
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δ < 0.0 && error("δ < 0")
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fs < 0.0 && error("fs < 0")
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new{T}(rx, fs, δ)
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end
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end
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struct Event{T<:Real, V<:AbstractVector{<:T}} # NOTE: TxNode może będzie lepszą nazwa?
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tx::TxRx{T}
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emission::T
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fs::T
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signal::V
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function Event(tx, emission::T, fs::T, signal::V) where {T, V}
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emission < 0.0 && error("emission < 0")
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fs < 0.0 && error("fs < 0")
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new{T, V}(tx, emission, fs, signal)
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end
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end
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