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MPlayer
http://www.mplayerhq.hu/DOCS/man/en/mplayer.1.html
AUDIO OUTPUT OPTIONS (MPLAYER ONLY) -abs (-ao oss only) (OBSOLETE) Override audio driver/card buffer size detection.-format (also see the format audio filter) Select the sample format used for output from the audio filter layer to the sound card. The values that can adopt are listed below in the description of the format audio filter.-mixer
Do mplayer's audio filters contain the opposite of ...
https://unix.stackexchange.com/questions/77244/do-mplayers-audio-filters-contain-the-opposite-of-karaoke-mode
A friend showed me mplayer's Karaoke mode (-af karaoke), and I was blown away by how good it is on the majority of the tracks I threw at it.Instead of tweaking the 10-band EQ, is there an audio filter for the opposite of Karaoke Mode? Specifically, is there an audio filter that would allow me to "extract the vocals" and filter out the music?
MPlayerTips - Community Help Wiki
https://help.ubuntu.com/community/MPlayerTips
There are many options available for this audio filter, all carefully documented in the man pages, but I will admit that for my own purposes I have usually only used the syntax demonstrated above. Tip 2: Play from archives. MPlayer can play from stdin thus opening the way to using any program as input that can output media to stdout.
3.11. Software Volume adjustment - MPlayer
http://www.mplayerhq.hu/DOCS/HTML/en/advaudio-volume.html
The -softvol option works by controlling the volume audio filter. If you want to play a file at a certain volume from the beginning you can specify volume manually: mplayer quiet-file-af volume=10. This will play the file with a ten decibel gain. Be careful when using the volume filter - you could easily hurt your ears if you use too high a ...
How to increase MPlayer volume above sound cards maximum ...
https://how-to.fandom.com/wiki/How_to_increase_MPlayer_volume_above_sound_cards_maximum_volume
MPlayer has two options for increasing volume above the sound card's maximum setting. Adjusting MPlayer's software volume, or using an audio filter to amplify the audio. I had a problem where my DVD's would play too quiet, even when the volume was maxed out. Using this I was able to adjust the volume so the DVD would play at the same volume as any other video …
3.10. Channel manipulation - MPlayer
http://www.mplayerhq.hu/DOCS/HTML/en/advaudio-channels.html
Audio files that truly have one channel are automatically played through two speakers; unfortunately, most files with mono sound are actually encoded as stereo with one channel silent. The easiest and most foolproof way to make both speakers output the same audio is the extrastereo filter: mplayer filename-af extrastereo=0
[SOLVED] MPlayer/Pulseaudio, No audio output / Newbie ...
https://bbs.archlinux.org/viewtopic.php?id=161466
Opening video filter: [scale] SwScale params: -1 x -1 (-1=no scaling) Trying filter chain: scale vo The selected video_out device is incompatible with this codec. Try appending the scale filter to your filter list, e.g. -vf spp,scale instead of -vf spp. [VD_FFMPEG] Trying pixfmt=1. [ffmpeg] aspect_ratio: 0.000000 VDec: vo config request - 640 x ...
MPlayer - The Movie Player
https://mplayerhq.hu/DOCS/HTML/en/MPlayer.html
Audio files that truly have one channel are automatically played through two speakers; unfortunately, most files with mono sound are actually encoded as stereo with one channel silent. The easiest and most foolproof way to make both speakers output the same audio is the extrastereo filter: mplayer filename-af extrastereo=0
Chapter 8. Frequently Asked Questions - MPlayer
https://mplayerhq.hu/DOCS/HTML/en/faq.html
You have a buggy sound card/driver. Most likely it's fixed at 44100Hz, and you try to play a file which has 22050Hz audio. Try the resample audio filter. Q: When I play this movie I get video-audio desync and/or MPlayer crashes with the following message: Too many (945 in 8390980 bytes) video packets in the buffer! A: This can have multiple ...
MPlayer(1) manual page
http://tivo-mplayer.sourceforge.net/docs/mplayer-man.html
mencoder (MPlayer's Movie Encoder) is a simple movie encoder, designed to encode MPlayer-playable movies (see above) to other MPlayer-playable formats (see below). It encodes to DivX4, XviD, one of the libavcodec codecs and PCM/:MP3/:VBRMP3 audio in 1, 2 or 3 passes.
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