All Questions
10
questions
0
votes
1
answer
1k
views
How can I properly normalise surround audio to stereo(2 channels)
This question has been asked before but my query is different and more specific. In MPV player I use this command af=format=channels=stereo,dynaudnorm which is like live normalising the audio. However,...
- 119
0
votes
0
answers
2k
views
What is the recommended way to downmix 5.1 or 7.1 to 2.1?
I've been trying to downmix a 5.1 DTS HD-MA (specifically arranged as C L R Ls Rs LFE) track into 2.1 (with LFE), but I'm not sure of the recommended/standard way that doesn't mess up the audio.
I ...
3
votes
1
answer
3k
views
How to properly downmix 5.1 sound to stereo
I usually watching Blu-Rays with PowerDVD 16. For some time now, instead of a monitor and a 5.1 sound system I used before, I use a television via HDMI now. The television only has Stereo.
When I had ...
- 139
1
vote
1
answer
3k
views
Is LFE channel completely lost when downmixing 5.1 to stereo using ffmpeg?
so, I've been reading a lot about downmixing 5.1 to stereo, but as documentation provides, it creates L and R channels, so is the LFE channel being included down the mix? Is it completely lost? I've ...
- 13
0
votes
1
answer
1k
views
ffmpeg downmix to 5.1+2.0 from 5.1
I need output of 5.1 + 2.0 (PCM, 6 mono tracks + 1 stereo track) from a 5.1 source. This means I need:
first 6 channels input --> ch1, 2, 3, 4, 5, 6 (mono tracks)
+
first 6 channels --> ch7-8 (stereo ...
- 3
0
votes
0
answers
351
views
Can I set windows audio to Stereo while VIA driver is 5.1?
I have a 3.1 audio setup (2 front, 1 center, 1 subwoofer) and I want to use only these in games - but what happens is the games are sending audio to the Rear channels which are disconnected, therefore ...
- 21
77
votes
14
answers
143k
views
Properly downmix 5.1 to stereo using ffmpeg
I have a 5.1 audio track from a film where front left and front right contains music, and center contains dialogue. Playing the 5.1 track in VLC blends everything together nicely.
I'm trying to ...
- 2,087
2
votes
1
answer
2k
views
Downmix drops low frequency channel
I have noticed a problem with FFmpeg downmixing. If I run a command such as
ffmpeg -i infile.flac -ac 2 outfile.flac
It will have identical result as
ffmpeg -i infile.flac \
-map_channel 0.0.0 \
...
- 1
4
votes
7
answers
92k
views
Music but no voice on headphones [duplicate]
I have normal stereo headphones which work fine
On a specific PC running Windows 7 the external speaker and USB speakers work fine too
But when I plug in the headphones, all I hear is muffled music, ...
- 111
2
votes
3
answers
28k
views
Stereo sound through whole 5.1 speaker set - is it possible with WinXP or 7?
Is it possible to "upmix" (split) stereo output from games, winamp, youtube and so on through 5.1 speaker set? Movies from DVD or some games uses all 6 speakers, but most of today's usage does not.
I ...
- 242