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Thread: Calling all masters of digital domain...

  1. #1
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    Lightbulb Calling all masters of digital domain...

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    Dither 16 bit to 24 bit before DSP.

    Transmited communication signal captured from Green Clarion 3 of Galaxy Terra...

    Neptune 8.74 calling Jaymz of the Earth... Comming Jaymz... I repeat... Neptune 8.74 calling Jaymz of the Earth... Comming Jaymz...

    Roger, I copy. What shall I do for you, Neptune 8.74 ? Over...

    Neptune 8.74 calling Jaymz of the Earth... Comming Jaymz... I repeat... Neptune 8.74 calling Jaymz of the Earth... Comming Jaymz...

    I hear you clearly, Neptune 8.74, What shall I do for you ? Over...

    Okay, Jaymz... We got some question for you. We hope you can re-transmit it to what's so called the best BBS on earth, Over...

    You must mean Cakewalk forum on Dragon's Homerecording.com BBS, eh ? No problem, what it would be your question ? Over...

    You got it right. Here's what it's all about... We have been told that 24 bit digital processing is alot much smoother and serving better precission to the result. Was that correct, Jaymz ? Over...

    Yup, looks like you get the right information up there. That's corect. Go on, Neptune 8.74. Over...

    Since we have recorded several tracks 16 bit 44KHz audio data with SONAR 2.2 XL. It's about the time to do the digital processing & mix them. Do you think it's better to dither them to 24 bit first place, and do the processing in 24 bit, or keep them 16 bit, and do the processing 16 bit ? Over...

    Hmm... tough question. You may get vary point of view here... Can you give us more information that might help us figure it out for you ? Over...

    Okay, Jaymz... We got several nice plugins we wanna apply to those tracks. Average number of plugins inserted on each track is 3 or 4. At the final, we want audio CD pre-mastered. Should we also convert them first place to 48KHz or 96KHz to gain better processing quality ? Please, Jaymz... our lives depend on it... Over...

    Okay... I'll ask them... Over...

    Thank you, Jaymz... and say hi to all cool kids down there on the BBS... We're leaving now, We'll be in touch soon... Over...

    Transmition signal ended...

    Hmmm... looks like I got a quest to do. Time to call all Masters of the digital domain led by The Almighty dachay2tnr...



    Jaymz
    Keep Rockin' and Rollin'...

  2. #2
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    Looks like James had 3 hours to spend on typing today.... LOL
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    James, YOU NEED HELP!


    And if you've recorded in 16 bit, I don't think there's any gain by going up to 24 bit and then dither back to 16 bit. But I might be wrong...
    Two wrongs don't make a right, but two Wrights once made an airplane...

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    Lightbulb

    Jaymz opened a communication with Neptune 8.74...

    Jaymz to Neptune 8.74, coming Neptune...

    ...sssshhhhh.... ssssshhh... (Sound of pink noises) Neptune 8.74 here... coming up, Jaymz... Over...

    Can you transmit some kind of visual info of your routing ? Over...

    No problem, Jaymz... like these... sssssshhhh.... ssssshhhhh....Curent setup for average each track...

    16 bit 44KHz Wave --> Plugin 1 --> Plugin 2 --> Plugin 3 --> mix (16 bit 44KHz)

    So all can be done in SONAR 2.2 XL . The question is, should we route this way...

    16 bit 44KHz Wave --> Export to external wave editor which has better dithering algorithm, dither to 24 bit convert to 48 or 96 KHz --> Plugin 1 --> Plugin 2 --> Plugin 3 --> mix ( 24bit 48 or 96KHz)--> sent back to SONAR 2.2 XL.

    We repeat the process until all plugins in tracks applied, so we have all track in 24 bit. Export final mix 24 bit wave, open in external editor again, dither the final result back to 16/44 for CD Audio compatible format and burn to CD...Over...

    Thank you, Neptune 8.74... That's it for now... over...

    Communication closed...
    Keep Rockin' and Rollin'...

  5. #5
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    YOU NEED HELP!

    And that's really a good question. I think there will be some benefits of doing it, but I would say it's not worth the time...
    Two wrongs don't make a right, but two Wrights once made an airplane...

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    Master James -

    Tell the Romulans that first of all you do not have to dither to go from 16 bits to 24. You only need to dither when reducing the bit rate. Adding extra bits does not require any dithering.

    As for the original question, many audio programs do their internal processing at a 32 bit floating point, and then output that back to the original bit rate (I think Sonar does this, and I know Wavelab does). So this is a tough question. Is this a test?

    Any answer I gave you would be a guess. I can think of some reasons why converting to 24 bits might be beneficial, and other reasons why it might not be.

    Seems to me, though, it depends on how many steps of processing will occur. If all of the processing will be done in a single step, then I would say leave it at 16 bits. However, if there is multiple processing occuring, you might benefit by converting to 24 bits first.

    For example, if you are doing some processing in Sonar, and then exporting a stereo file for finishing in say Wavelab or Sound Forge, I would think going to 24 bits would help.

    Anyway, that's my story and I'm sticking to it.

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    Oh, BTW, don't touch the sample rate. If the end destination is CD, you should record at 44.1 and leave it that way.

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    Thumbs up

    Neptune 8.74 to earth... We have monitored what's your so called the best BBS in your Galaxy. And looks like The Almighty dachay2tnr has proven it to us, Thank you for such very helpfull info you brought to us. We -what's you so called the Romulans- gratefully thank you and still open for any good advice & comments. May the good fate be with you all...
    Keep Rockin' and Rollin'...

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    why is 96khz taboo and 24 bit accepted as the gospel truth?
    "...if the opposite of pro is a con lets go beyond this, the opposite of CONgress must be PROgress..." Cage

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  10. #10
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    why is 96khz taboo and 24 bit accepted as the gospel truth?
    I believe it is due to the fact that there is much more benefit from the extra bits in terms of noise floor, than there is from a higher sampling rate.

    A 96K sampling rate will allow you to record frequencies up to 48KHz. Since humans can only hear to about 20KHz, there is not much benefit in the extra samples, and you can end up even worse since you now also have to go through a conversion to go from 96 to 44.1 to burn to a CD. Additioanlly, your other equipment (mics, preamps, etc.) are only normally designed for 20Khz as well. If I'm singing into a mic that can accurately capture 20Khz, what's the benefit of recording the signal at 96Khz?

    On the other hand, a 16 bit rate gives you a higher noise floor than a 24 bit rate, and therefore you can get a much better signal to noise ratio with 24 bits. That is a major advantage, and worth the extra conversion to get back to 16 bits for CD burning.

    I also think there are better algorithms available for converting bit rates than there are for converting sample rates.

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