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doc: decreasing the transition band increases ringing

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Wim Taymans 2025-11-28 11:42:16 +01:00
parent 21bb281c75
commit 8c698366b8
1 changed files with 3 additions and 3 deletions
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doc/dox/config/pipewire-props.7.md
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@ -586,11 +586,11 @@ You can tune the resampler in a variaty of ways:
* Tune the cutoff frequency. Increase the cutoff to preserve more high frequencies at the
expense of more aliasing.
* Tune the transition band. Reduce the transition band to better filter out the frequencies
around the cutoff frequency at the expense of more aliasing, CPU and Latency. This can
be done by increasing the number of taps.
around the cutoff frequency and get less aliasing at the expense of more ringing, CPU and
Latency. This can be done by increasing the number of taps.
* Tune the stopband attenuation. Increase the attenuation to reduce aliasing at the expense
of a wider transition band. This can only be done on the kaiser window, the exp and
blackman window have 150dB and 96dB respecively.
blackman window have 150dB and 96dB attenuation respecively.
@PAR@ node-prop resample.disable = false
Disable the resampler entirely. The node will only be able to negotiate with the graph