sptbl["crossfade"] = {     files = {        module = "crossfade.c",        header = "crossfade.h",        example = "ex_crossfade.c",    },     func = {        create = "sp_crossfade_create",        destroy = "sp_crossfade_destroy",        init = "sp_crossfade_init",        compute = "sp_crossfade_compute",    },     params = {        mandatory = {        },         optional = {            {                name = "pos",                type = "SPFLOAT",                description = "Crossfade position. 0 = all signal 1, 1 = all signal 2",                default = 0.5            },        }    },     modtype = "module",     description = [[Crossfade two signals. This module will perform a linear crossfade between two input signals.]],     ninputs = 2,    noutputs = 1,     inputs = {        {            name = "in1",            description = "Input signal 1."        },        {            name = "in2",            description = "Input signal 2."        },    },     outputs = {        {            name = "out",            description = "signal output."        },    } }