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Best Free-software or no charge proprietary tool to downsample to 44.1
Morality124
post Apr 28 2012, 23:16
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I have some audio files I've ripped that I want to down-sample to 44.1khz/16-bit format so they can burned to CDs. The audio files in questions are 24-bit (obv) and range from 96-192 kHz. I don't have any commercial proprietary audio software like Adobe Audition, but I do have the Free software programs Audacity and SoX at the moment, as well as EAC and ImgBurn. Would down-sampling using either of these programs be advisable, and if so, what is best settings and/or method(s) to do so? If not, what would be the recommended program and settings/methods? Thanks!
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stephan_g
post May 2 2012, 21:59
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QUOTE (john33 @ May 2 2012, 17:39) *
If you're Windows based and like libsamplerate, you could try srcdrop on the 'Others' page at Rarewares. smile.gif

'fraid I'm thoroughly spoiled by the Foobar2000 / SoX resampler combo (best quality AND ease of use)...

(Before that, I'd typically use SSRC. The ringing around filter cutoff makes it a less-than-ideal choice if sample rates significantly below 44.1 are involved, but other than that it still performs well.)
QUOTE (lvqcl @ May 2 2012, 17:55) *
This issue is also mentioned at http://wiki.audacityteam.org/wiki/Libresample

I think I even read that one back when I first compiled Audacity, but - not being aware of the quality implications at the time - had all but forgotten about it.
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Morality124
post May 3 2012, 01:28
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QUOTE (stephan_g @ May 2 2012, 22:59) *
QUOTE (john33 @ May 2 2012, 17:39) *
If you're Windows based and like libsamplerate, you could try srcdrop on the 'Others' page at Rarewares. smile.gif

'fraid I'm thoroughly spoiled by the Foobar2000 / SoX resampler combo (best quality AND ease of use)...


If I use SoX from the command line (which I have for de-emphasis, stereo channel flipping, and inverted absolute phase), will this produce the same results as the method you are using?
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bandpass
post May 3 2012, 05:45
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They're essentially the same. Architectural differences between the standalone version and the Foobar port might result in some variation in the least-significant bit of the converted audio, but such differences are negligible and can and do occur for other reasons too.

Skamp's sox command line suggestion above should produce good results. (Though you could probably save a little CPU time by dropping the -v option—it's really intended for cases when both input and output audio is at least 24-bit.)
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Posts in this topic
- Morality124   Best Free-software or no charge proprietary tool to downsample to 44.1   Apr 28 2012, 23:16
- - skamp   I use this: CODEsox -G "in.wav" -b 16 ...   Apr 28 2012, 23:47
- - Apesbrain   If you have a number of files to convert you may f...   Apr 29 2012, 01:43
- - m45t3r   The "Secret Rabbit Code" is a very good ...   Apr 29 2012, 04:56
- - Morality124   Hmmm. I actually do have Foobar 2000 also, though ...   Apr 29 2012, 06:09
|- - stephan_g   QUOTE (Morality124 @ Apr 29 2012, 06:09) ...   Apr 29 2012, 22:44
- - Morality124   To clarify, what is the consequence of using a low...   Apr 29 2012, 07:52
- - Juha   If your files are type of WAV already then try Vox...   Apr 29 2012, 09:00
- - AndyH-ha   There are some varying opinions on what is the ...   Apr 29 2012, 09:10
|- - Arnold B. Krueger   QUOTE (AndyH-ha @ Apr 29 2012, 04:10...   Apr 30 2012, 14:40
|- - stephan_g   QUOTE (Arnold B. Krueger @ Apr 30 2012, 14...   May 2 2012, 09:55
|- - phofman   SoX results on http://src.infinitewave.ca are very...   May 2 2012, 10:19
- - rednyrg721   Audacity 2.0 results are much worse than Audacity ...   May 2 2012, 11:30
- - stephan_g   That one puzzled me, too. I think I'll ask the...   May 2 2012, 17:05
|- - lvqcl   QUOTE (stephan_g @ May 2 2012, 20:05) EDI...   May 2 2012, 17:55
- - john33   If you're Windows based and like libsamplerate...   May 2 2012, 17:39
- - stephan_g   QUOTE (john33 @ May 2 2012, 17:39) If you...   May 2 2012, 21:59
|- - Morality124   QUOTE (stephan_g @ May 2 2012, 22:59) QUO...   May 3 2012, 01:28
|- - bandpass   They're essentially the same. Architectural di...   May 3 2012, 05:45
|- - phofman   QUOTE (Morality124 @ May 3 2012, 02:28) I...   May 3 2012, 12:44
|- - ArtistofMind   Hi there, I am keenly interested in using the Res...   Jan 11 2014, 02:26
- - Apesbrain   Converting Hi-res (HR) to 16/44 (CD) These instruc...   Jan 11 2014, 05:01
|- - ArtistofMind   Thanks a million for the thorough walk-thru, Apesb...   Jan 11 2014, 05:22
|- - ArtistofMind   QUOTE (Apesbrain @ Jan 10 2014, 20:01) 1....   Jan 11 2014, 09:10
- - saratoga   If you are just resampling you don't need dith...   Jan 11 2014, 09:14
|- - ArtistofMind   QUOTE (saratoga @ Jan 11 2014, 00:14) If ...   Jan 11 2014, 09:24
- - [JAZ]   @ArtistOfMind: About aliasing: The option in SOX...   Jan 11 2014, 11:37
- - Brand   There's also QSoX, for anyone who wants an eas...   Jan 11 2014, 14:06


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