Polarity inversion

[koslowj]

(05-01-2021 14:59)Alandbush Wrote:  You might like to try the following with Minimstreamer:-

stream.options

Code:

convOut=-af aeval=-val(ch):c=same

together with

stream.transcode

Code:

flac:wav;

For more detail refer to the ffmpeg filter aeval.

Basically, the negative (-) sign performs the reversal to all the channels. So, you could simply include/exclude this sign to compare the effect.

Thanks for the suggestion; I'm basically using this ffmpeg-command (or a similar one in sox) to flip the polarity. But will this work on the fly with minimstreamer? The whole point is to allow immediate comparisons between the two states to decide which one sounds better.

Presently I'm still fighting with tags. minimserver.log gives me a long list of things to fix, mostly dates...