Returns non-zero if it makes sense to apply a volume 'lfe balance' * (i.e.\ 'balance' between LFE and non-LFE channels) with this mapping, * i.e.\ if there are LFE and non-LFE channels available. \since 8.0
See Implementation
Returns non-zero if it makes sense to apply a volume 'lfe balance' * (i.e.\ 'balance' between LFE and non-LFE channels) with this mapping, * i.e.\ if there are LFE and non-LFE channels available. \since 8.0