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A program or plugin to use for Sample Rate Conversion and Word Length Reduction?
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SharpKillerCable
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6th February 2013
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A program or plugin to use for Sample Rate Conversion and Word Length Reduction?

What's a good program or plugin to use for Sample Rate Conversion and Word Length Reduction?
I'm hoping to find something that I haven't already tried. I'm converting wav audio files from 24/96 to 16/44.1.
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6th February 2013
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Quote:
Originally Posted by SharpKillerCable View Post
What's a good program or plugin to use for Sample Rate Conversion and Word Length Reduction?
I'm hoping to find something that I haven't already tried. I'm converting wav audio files from 24/96 to 16/44.1.
Audiofile Engineering Sample Manager unless you have tried it already........
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Quote:
Originally Posted by SharpKillerCable View Post
What's a good program or plugin to use for Sample Rate Conversion and Word Length Reduction?
I'm hoping to find something that I haven't already tried. I'm converting wav audio files from 24/96 to 16/44.1.
Sample Manager all the way. Sounds excellent, easy to use, and reasonable price.
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I use Izotope RX2 Advanced for this. Probably overkill if that's ALL you needed to do.
But it is very very good.

It seems Sample Manager uses Izotope technology anyway...
I believe that you have less tweak-ability in S.M., but that's not necessarily a bad thing especially if you are looking for a simple, reliable solution.
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Quote:
Originally Posted by SharpKillerCable View Post
What's a good program or plugin to use for Sample Rate Conversion and Word Length Reduction?
I'm hoping to find something that I haven't already tried. I'm converting wav audio files from 24/96 to 16/44.1.
I must be missing something here - just about any DAW will do this. You add dither and EXPORT to 16/44.1
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Quote:
Originally Posted by SharpKillerCable View Post
What's a good program or plugin to use for Sample Rate Conversion and Word Length Reduction?
I'm hoping to find something that I haven't already tried. I'm converting wav audio files from 24/96 to 16/44.1.
Weiss Saracon
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Quote:
Originally Posted by Nonlinear View Post
I must be missing something here - just about any DAW will do this. You add dither and EXPORT to 16/44.1
Maybe I wasn't clear, but I'm looking for something better than what my DAW will offer. The conversion it uses does not sound like the 24bit 96khz files, not even close, so I will try to use a different program for that specific purpose. Thanks for pointing that out, I really have to spell things out on here.
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Voxengo R8Brain Pro Full in daily use here for SRC, but I use Sonoris Dither plugin for word length reduction. Both very high quality.
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I agree with what has been suggested above.

If you're on a Mac then Sample Manager is a good choice, as it uses iZotope's sample rate conversion and dithering algorithms (both of which are excellent).

On a PC Voxengo's R8Brain Pro is a good choice for SRC. There are lots of options for dithering - I rather like MBit+ by iZotope (part of Ozone 5).
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Pyramix is the best I've heard so far. PC only though..
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All SRC is not created equal...

SRC Comparisons

(I also use the iZotope algos in Sample Manager)

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As mentioned above Saracon. Bit pricey but comprehensive for your needs at extremely high quality.
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Quote:
Originally Posted by SharpKillerCable View Post
Maybe I wasn't clear, but I'm looking for something better than what my DAW will offer. The conversion it uses does not sound like the 24bit 96khz files, not even close, so I will try to use a different program for that specific purpose. Thanks for pointing that out, I really have to spell things out on here.
Wow do I feel stupid! Sorry for chiming in on your post - I really had no idea it was this involved. I thought it was basically a math function. I learned something new here, thanks!

So now I have to ask - why is so much audio work done at 96KHz rather than 88.2KHz? Wouldn't a lot of these downsampling artifacts go away if you were converting 88.2 to 44.1 instead of 96 to 44.1?
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I've used R8brain a time or two on some odd samplerate stuff (i.e. 64kHz, and such). Worked fine.
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11th February 2013
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Between Saracon and Izotope RX 2 Advanced, which one do you like more? Bob Katz and George Massenburg endorse Saracon. Also can the regular version of Izotope RX convert files to 16bit 44.1khz or do I need the Advanced version?
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Quote:
Originally Posted by SharpKillerCable View Post
Between Saracon and Izotope RX 2 Advanced, which one do you like more? Bob Katz and George Massenburg endorse Saracon. Also can the regular version of Izotope RX convert files to 16bit 44.1khz or do I need the Advanced version?
I seem to remember reading that Mr Katz also worked with Izotope on the development of their recent dithering - so I guess you could call that an endorsement too!
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In fact (from the Izotope site)

From Bob Katz, three-time GRAMMY award-winning mastering engineer and inventor of K-System metering:
"MBIT+ is an impeccably-designed and versatile dither that can get all the information and purity of tone from my higher-resolution sources down to 16 bits with great success. With the wider range of noise-shaping choices in Ozone 5, MBIT+ is even more of a winner for me."


iZotope Ozone 5 Complete Mastering System | DITHER
SharpKillerCable
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Maybe that was an old endorsement of Saracon from Katz, maybe he like Izotope more now. I don't know. It doesn't really matter much, just thought I'd throw that in.
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I use the internal of Sequioa and will be darned if I notice a huge difference.
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Quote:
Originally Posted by SharpKillerCable View Post
It doesn't really matter much, just thought I'd throw that in.
Yep! Same....
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I also use Sample Manager = iZotope, but if you want something totally free, not almost free, try SoX. Command line driven, but good.

SoX - Sound eXchange | HomePage
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Today I tried both Saracon and Sample Manager for conversion to 16bit 44.1, and both seemed to be a step up from the SRC in Pro Tools 9 in my A/B tests, and sounded more like their respective 24bit 48khz files. Thanks for the suggestions. I wanted to try the Izotope RX but the trial version wouldn't let me output or "save" anything so all I could do with that was play with some of the dials...
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