From: Audio bandwidth extension using ensemble of recurrent neural networks
a in
{1/16, 1/8, 1/4, 1/2, 1}
a res
{1/4, 1/2, 3/4, 1, 5/4}
f sparsity
α
{1/5, 2/5, 3/5, 4/5, 1}
β
{0, 1, 2, 3, 4}
d S
{200, 400, 600, 800, 1000}