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Excellent Video on Sample Rates and Bit Depth
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bedstrom
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Joined: 31/08/2010 04:07:50
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This is really good and should be essential for anyone involved in digital audio recording!


http://xiph.org/video/vid2.shtml

Continuing the "firehose" tradition of maximum information density, Xiph.Org's second video on digital media explores multiple facets of digital audio signals and how they really behave in the real world.

Demonstrations of sampling, quantization, bit-depth, and dither explore digital audio behavior on real audio equipment using both modern digital analysis and vintage analog bench equipment... just in case we can't trust those newfangled digital gizmos. You can also download the source code for each demo and try it all for yourself!
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hibidy
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I'm still recording at 24/48

New computer:

2.6.2/win7x64 ultimate/SSD os and library/i7 4770/16GB ram

Focusrite saffire 14/Novation impulse 49/tons of VST goodies

bedstrom
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hibidy wrote:I'm still recording at 24/48



A fine choice!
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hibidy
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I watched this about 2 weeks ago? I can't remember, anyhow it was a crushing blow. Everything I thought I knew was slashed and all of those nay-sayers who think everything sounds the same were right. I'm drinking to numb the pain

This message was edited 1 time. Last update was at 01/08/2013 02:16:42

New computer:

2.6.2/win7x64 ultimate/SSD os and library/i7 4770/16GB ram

Focusrite saffire 14/Novation impulse 49/tons of VST goodies

Bbd
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Thanks much for that link. I really enjoyed that presentation. Digital audio does not stair step!



Wow.....
Bbd

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Tacman7
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Good link to keep handy for people who are having problems recording at the higher sample rates.

Yes you're making your computer work really hard for no benefit and a lot of hassle.

This message was edited 1 time. Last update was at 01/08/2013 15:12:46

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CPhoenix
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Joined: 13/03/2011 00:11:38
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I'm on an older web browser at work. Can't view. Is this the video with the guy who runs some sine waves in/out of older analog gear and shows how the waveform is not stairstepped at all due to DA/AD conversion... and proving that what went in is essentially what comes out? I think the guy has a beard if i remember correctly... he reminds me if the OxyClean guy

If so... saw this a while ago and it's a great great video!

I record at 24bit, 48khz only for the extra little bit of latency improvement over 44khz recording. Raise the sample rate and your roundtrip latency drops (try it... it blew my mind when someone brought it to my attention)
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hibidy
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It's true about the SR changing latency.
New computer:

2.6.2/win7x64 ultimate/SSD os and library/i7 4770/16GB ram

Focusrite saffire 14/Novation impulse 49/tons of VST goodies

Julia B
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I'm still recording at 24/44.1. I tried higher sample rates, but I ran into problems for a client, but I ran into problems with a couple of VSTis. A 44.1 sample being recorded at 48 kHz is bad math. He can upconvert the audio file.
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keys88
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Nice link!
Thanks!
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