[PATCH] Add option to disable highpass-filter on non-lfe channels.

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2017-08-11 21:48 GMT+05:00 Alexander E. Patrakov <patrakov at gmail.com>:
> 2017-08-10 1:27 GMT+05:00 Markus Ebner <markus-ebner at web.de>:
>> Added a new configuration option: remix-non-lfe-channels (default: yes), which results in the non-lfe channels being highpass-filtered.
>> When set to false, the lfe channel is lowpass-filtered and the other channels stay untouched.
>> Removing the low frequencies from speakers that support low frequencies sounds awful.
>> The current behavior is the default, since this case is less likely than speakers not playing well with low frequencies.
>
> I tend to reject the patch. In the use case with satellite speakers
> that are able to reproduce low frequencies, enabling LFE remixing (and
> thus the filter) is a user error.

Also, the highpass filter on non-lfe channels was designed to filter
out exactly the same frequencies that were sent from the main channels
to LFE. I.e. "moved". With your patch, they will be "duplicated",
which is wrong.


-- 
Alexander E. Patrakov


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