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Old 08-24-2007, 02:13 PM   #1
arbogast
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Default where do I set the bit rate?

Yes, I know this prob'ly is a silly question, but i searched the manual+forum for 'bit rate' and looked through prefs & project settings. Where do I set the bit rate (want to switch fr 44100 /32 to 44100 /24)?
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Old 08-24-2007, 02:14 PM   #2
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Main menu on the top

File...Project Settings
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Old 08-24-2007, 02:28 PM   #3
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Yes, I saw that (forgot to mention - sry)

Thing is.. it still says 32 bit in the title bar (top right corner of the screen)????
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Old 08-24-2007, 03:04 PM   #4
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Correct...if you click on the area where it displays the bit rate,, it takes you directly into the settings. You can then change the bit rate to whatever serves your needs....
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Old 08-24-2007, 03:16 PM   #5
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That 32-bit in the top right refers to the bit rate communication with ASIO. Yes, it confuses many.

If you have set 24 bit in your project settings then you are fine.. just ignore it. Your files will be 24 bit.
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Old 08-24-2007, 03:35 PM   #6
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I don't want to seem demanding but could anyone please give a brief bit rate overview because every time I think I understand it . . . I don't.
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Old 08-24-2007, 04:34 PM   #7
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I'll let someone else go into the specifics if needed. However, for me, the important facts are:

* More bits = greater resolution. Recording has moved from 8 bit, through 16 bit (which is CD quality) to 24 bit. Each bit gives 6db. 24-bits gives 144db of dynamic range to play with.

* Converters operate at 24 bit max.

* 24 bit is fine for anything going between analog and digital (i.e. our stuff).

* If it is remaining in the digital domain it doesn't need to touch a converter, so higher bit rates can be used. ASIO operates at 32 bit. Reaper does its internal maths at 64 bit.

* All this is handled for us.

* When we finally go to 16 bit (for CDs) we may want to dither. Dithering is hard sums. Someone like Loser understands this stuff. I listen, nod and do as I am told by people like Loser.

* I just set everything at 24 bit and forget it.
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Old 08-24-2007, 06:19 PM   #8
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Thanks Alistar....quite right I think.

Bits are a fairly big issue out there in recording land. For us home enthusiasts, however, 24-bit is enough....as a matter of fact there is a similar discussion around 44.1, 48. 96, 192 Khz sample rates......

Then there is the hardware..older hardware seldom scaled beyond 24-bit...seldom beyond 48 Khz...newer scales, but can anyone really hear the difference???

The biggest difference is in the ear of the listening engineer (that's you N me), and the application of FX and mixing techniques....

Eventually it all gets slapped down to 16-bit for CDs.....dithering is a must...you can look it all up on the Internet, but the bottom line is still this: its all about well composed, well performed, well mixed ....the bits and the sample rates cannot make an ugly duck into a swan....
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Old 08-24-2007, 11:20 PM   #9
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thx a lot my fellow registered (i hope) reaper users.

here's a good simple explanation of bit/sample rate btw:

http://www.tweakheadz.com/16_vs_24_bit_audio.htm
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Old 08-25-2007, 01:28 AM   #10
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Thanks very much.

My small brain could not cope with the 24 bits my soundcard does -v- the 32 and 64 bits of asio, Reaper and Vista respectively.

I like advice that says "just set it and don't worry about it".
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Old 08-25-2007, 08:11 AM   #11
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I believe that's sound (no pun int.) advice.
Focus on the music.
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Old 08-28-2007, 01:36 PM   #12
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It really wouldn't hurt to be technically accurate. The terminology is Sample Rate, and Bit Depth.

Bit Rate is different, FE, mp3's have a bit rate.

As far as settings go, it's Sample Rate, and Bit Depth, also referred to as Resolution.
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Old 09-03-2007, 01:27 PM   #13
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with gratitude I stand corrected
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