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ffdshow / Bugs / #278 Lfe crossover - sourceforge.net
https://sourceforge.net/p/ffdshow-tryout/bugs/278/
Lfe crossover : The lfe crossover use two fonctions, the first is a Lowpass filter and the second is a bass management. When you need to made a bass management, for example at 80hz, you use the Lowpass filter, to do that. Consequence , the lfe signal is reduce at 80 Hz and is not good thing because Dolby use 20hz to 120hz.
audio_decoder_configuration [ffdshow wiki]
http://ffdshow-tryout.sourceforge.net/wiki/audio_decoder_configuration
To get to ffdshow's audio decoder options dialog, click on “Start” → “All programs” → “ffdshow” → “Audio decoder configuration”. Alternatively, while playing a audio/video file, double-click the red ffdshow video icon in the notification area of the task bar. Most settings can be changed during playback and take effect immediately, while codecs, output colorspaces, …
Version history for FFDSHOW - AfterDawn
https://www.afterdawn.com/software/version_history.cfm/ffdshow
Created new format option in ffdshow audio decoder for the QT PCM variants (such as TWOS). They were previously part if the Uncompressed audio option. ... Fixes in the Audio mixer and LFE crossover filter: Center and LFE were too loud when downmixing 5.1->2ch If the original sound had LFE channel, it was overwritten
old_changelogs [ffdshow wiki]
http://ffdshow-tryout.sourceforge.net/wiki/old_changelogs
Fixes in the Audio mixer and LFE crossover filter: Center and LFE were too loud when downmixing 5.1 → 2ch. If the original sound had LFE channel, it was overwritten. ... ffdshow would crash when using the Grab filter and the Resize filter with aspect ratio correction.
ffdshow tryouts project: Discussion & Development - …
https://forum.doom9.org/showthread.php?t=120465&page=360
I'm having a problem with bass management in the ffdshow audio decoder. When enabling "LFE Crossover", all audio that is already present in the discreet LFE channel of a DD5.1 ac3 signal is muted. Hence the ".1 channel" is completely lost! Correct would be to maintain the LFE signal and simply add the bass from the other 5 channels to it.
ffdshow settings for Zalman 5.1 theatre headphones ...
https://forums.afterdawn.com/threads/ffdshow-settings-for-zalman-5-1-theatre-headphones.427812/
ffdshow audio decoder settings Codecs - mp3 -mp3lib and whatever else you want ffdshow to filter) Mixer - 3/2 5 channels, LFE ON, normalize on, Voice control ON, Expand stereo ON Volume - Normalize ON at 500%, Show current volume levels ON LFE Crossover - 80, 2.0, Remove low freq... ON Delay - 20ms (makes the bass more noticeable at the rear speakers)
ffdshow audio or AC3Filter?? | Page 2 | MediaPortal - An ...
https://forum.team-mediaportal.com/threads/ffdshow-audio-or-ac3filter.83441/page-2
- ffdshow audio decoder configuration - Codecs tab: mark every codec you have in your movie files. dont forget ac3/dts/e-ac3 AND mp1/mp2 for tv. ... - lfe-crossover tab: activate the crossover function and adjust the sliders according to your subwoofer crossover frequency. CHECK the box "remove frequencies added to ....", to make an .1 AC3 ...
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