... | ... | @@ -67,8 +67,11 @@ Mixes the low frequency effect channel into the front center or stereo pair. Thi |
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channelmix.upmix
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````
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Upmixing of the front center (FC) is always performed when the target has a FC channel.
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The sum of the stereo channels is used and an optional lowpass filter can be used
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(see `channelmix.fc-cutoff`).
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Upmixing of LFE is always done when `channelmix.lfe-cutoff` is set to something else that 0.
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Upmixing of LFE is always done when `channelmix.lfe-cutoff` is set to something else than 0 and
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the target has an LFE channel. The LFE channel is produces by adding the stereo channels.
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Upmixing of the rear and side channels is disabled by default and can be enabled when the
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`channelmix.upmix` property is set to `true`.
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... | ... | @@ -91,9 +94,8 @@ Since the front center contains the dialogs, a typical cutoff frequency is 4000 |
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channelmix.rear-delay = 12.0
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```
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Apply a delay when upmixing the rear channels. This improves spacialization of the sound.
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A typical delay of 12 milliseconds is the default.
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Apply a delay in milliseconds when upmixing the rear channels. This improves
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spacialization of the sound. A typical delay of 12 milliseconds is the default.
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```
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channelmix.stereo-widen = 0.0
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