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In Reply to: RE: Upsampling before v. after (with cMP) posted by rickmcinnis@dogwoodfabrics.com on January 23, 2012 at 07:58:18
For upsampling i use SoX (like cPlay and Foobar). Ik like it more than SRC. These are the settings i use in batch-resampling:
mkdir H:\MUZIEK_ORIGINEEL_3288\A_sox
FOR %%A IN (%*) DO sox %%A -b 32 -t wavpcm "H:\MUZIEK_ORIGINEEL_3288\A_sox/%%~nxA" vol 1.0 rate -v -s 88200 stat -v
pause
I don't recall the meaning of all settings (did it years ago).
I think 'stat' gives report which i use for checking on clipping. If clipping occurs, i set volume to 'vol 0.8' and retry.
32 stands for 32bit lots of 'zero's', huge files but better sound
My DAC upsamples to 176.4. Thats why i let cPlay/myself upsample to 88.2 In my setup this gives the best results.
Douwe
Follow Ups:
When I did upsample I also preferred sox. Now I listen to 44k sr. But the idea to restructure the file to 32 bits is very clever. I should try that.
I did not realize/remember that.
I think my problems with it are entirely due to upsampling.
I used to halve the duties in a similar way but eventually settled on full on cMP.
On cPLAY I seem to prefer SRC to SOX though I have no way to describe the differences I hear and wonder if I really DO hear a difference.
But upsampling the file does interest me.
Thanks for bringing it up!
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