[SOLVED] Down-sampling/re-sampling flac files

ph73nt · 11-16-2014, 03:54 PM

Hi forum,

I have a few dozen flac files that play fine in Amarok & mplayer, but won't play on my Sonos system because the sample rate is too high. The files I have are mostly 1784 kbps at 48000 Hz. From the Sonos website:

Quote:

Sonos supports FLAC files up to 16 bit / 44.1 kHz

I thought re-sampling these would be as simple as

PHP Code:



flac --sample-rate=44100 -o[outfile.flac] [infile.flac]

But apparently not. Flac does the encoding without complaining, but when I inspect the files they are still 24bit/48kHz. Flac version 1.3.0 system openSUSE 13.2

Any clues would be gratefully received,

thanks in advance.

*Dark Dragon* · 11-16-2014, 11:15 PM

To convert FLAC file to 16 bit / 44.1 kHz:

Code:

avconv -i input.flac -ar 44100 -sample_fmt s16 output.flac

If you do not have avconv you need to install libav-tools package. Alternatively, you can use ffmpeg instead of avconv.

ph73nt · 11-23-2014, 04:08 AM

Great solution. I used ffmpeg, which worked perfectly. Command line just As you indicated:

Code:

ffmpeg -i input.flac -ar 44100 -sample_fmt s16 output.flac

Thanks again.