[MPlayer-users] Playing 44.1kHz MP3's properly at 48kHz

D Richard Felker III dalias at aerifal.cx
Fri Jan 2 09:53:38 CET 2004

On Fri, Jan 02, 2004 at 12:07:05AM -0500, Timothy J. Massey wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hello!
> I'm trying to play 44.1kHz MP3's at 48kHz.  I'm using a VIA EPIA 
> motherboard, and they only support S/PDIF output at 48kHz, and they will 
> not upsample the audio properly:  the player must do it.
> The EPIA Linux HOWTO (at 
> http://www.viaarena.com/?PageID=372#sampling_48khz) gives the following 
> line to cause mplayer to upsample to 48kHz:
> mplayer -aop list=resample:fout=48000 myfile.mp3
> When I use this command line, though, it plays the MP3 too slowly:  like 
> a record that is spinning too slow.  How should I use mplayer to play 
> 44.1kHz MP3's at 48kHz?

Use -srate 48000 or the appropriate -af commandline. -aop is
deprecated and does not work.


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