ould contain bias, it offers some insight: In general
audio, this ratio tends to stay below 5, whereas the noisy segments in the
input samples show much higher values.
[image: sfb_energy.png]
Agent 45 于2025年8月6日周三 07:34写道：
> Hello, Dear FFmpeg team,
>
> I'm encountering a consistent
es/White_papers/ac3_multichannel_decoder.pdf
> )
> - which nicely handles cases like yours. This is possible by separating the
> subband "carrier" signal from its "envelope" after input decomposition by
> the filterbank. This has the audible effect of preserving
