This probably isn't possible.
i hate it when people say this"oh eveything's impossible with this engine!"*shaders and shadows implemented*"oh well uhh everything except shaders and shadows are impossible!"
i hate it when people say this
maybe try changing the timescale of the sound itself? maybe change the client's timescale for the one millisecond that's needed to start the sound itself and the rest of the sound will be a different pitch and speed
well, why cant you at least try? do a hacky way?