From 43504abc1578a23d2ba86ef1733ddba058eb6f84 Mon Sep 17 00:00:00 2001 From: Jeff Fessler Date: Mon, 22 Apr 2024 12:43:33 -0600 Subject: [PATCH] Avoid divide by 0 in soundsc (#28) --- src/soundsc.jl | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/src/soundsc.jl b/src/soundsc.jl index b850d78..67644db 100644 --- a/src/soundsc.jl +++ b/src/soundsc.jl @@ -120,5 +120,8 @@ end soundsc(x, S::Real = framerate(x), args...; kwargs...) Call `sound` after scaling `x` to have values in `(-1,1)`. """ -soundsc(x::AbstractArray, S::Real = framerate(x), args...; kwargs...) = - sound(x * prevfloat(1.0) / maximum(abs, x), S, args...; kwargs...) +function soundsc(x::AbstractArray, S::Real = framerate(x), args...; kwargs...) + smax = maximum(abs, x) + scale = smax == 0 ? 1 : prevfloat(1.0) / smax # do not normalize if all zero + sound(x * scale, S, args...; kwargs...) +end