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channelmix: tweak defaults a little.

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Increase the FC filter frequency to 12KHz for better dialogs. This
filter is only applied when making the FC from FRONT channels so that
we keep the high frequency signal on the FRONT mostly.
Increase LFE filter frequency to make slightly more bass.
Disable widen filter by default.
Update config files with the correct defaults.
This commit is contained in:
Wim Taymans 2022-04-12 11:55:27 +02:00
parent 66e4334c92
commit 164361484f
5 changed files with 23 additions and 23 deletions
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6
spa/plugins/audioconvert/channelmix.c
View file

@ -1657,10 +1657,10 @@ impl_init(const struct spa_handle_factory *factory,
this->mix.options = CHANNELMIX_OPTION_UPMIX;
this->mix.upmix = CHANNELMIX_UPMIX_PSD;
this->mix.log = this->log;
this->mix.lfe_cutoff = 120.0f;
this->mix.fc_cutoff = 6000.0f;
this->mix.lfe_cutoff = 150.0f;
this->mix.fc_cutoff = 12000.0f;
this->mix.rear_delay = 12.0f;
this->mix.widen = 0.02f;
this->mix.widen = 0.0f;
for (i = 0; info && i < info->n_items; i++) {
const char *k = info->items[i].key;