Mathematical Issues - And A Solution To My Ever Ending Problem |
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Apr 28 2010, 08:41 AM
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The story goes like this - I've been frustrated for a long time, since neither of my computers or soundcards records what I'm playing properly because of some small latency. Most noticeable in swing/jazz/shuffle type of music. Regarding to all experts a latency of 3 ms. shall not be noticeable, which is definitely false since my playing sounds OK when I record it with the built-in mic on a video cam, but stinks in the DAW at the same take. Maybe I'm stupid here, but are You other guy's compensate for latency in the DAW when recording????
Anyhow, I found a nifty little function in Cubase that let You compensate the latency in the driver by setting the samples to be recorded with a negative value. And voila' - now it sounds like I played it. The only problem I have now is how to calculate the numbers of samples to be adjusted according to the sample rate. Is there a mathematic formula for this??? Eg. if I'm recording at 44,1 kHz and have a reported latency from the soundcard of 3.4 ms, how many samples shall be moved??? //Staffay --------------------  Guitars: Ibanez AM-200, Ibanez GB-10, Fender Stratocaster Classic Player, Warmouth Custom Built, Suhr Classic Strat, Gibson Les Paul Standard 2003, Ibanez steel-string Amps: Fender Hot Rod Deluxe, Marshall JMP 2103, AER 60 Effects: BOSS DD-20, Danelectro Trans. Overdrive, TC-Electronics G-Major, Dunlop Wah-wah, Original SansAmp, BOSS DD-2 Music by Staffy can be found at: Staffay at MySpace |
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Apr 28 2010, 10:23 AM
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Good think you didn't post the mathematical forumla on a drummmers och bass players forum or you'd be likely to never get a correct reply
 just kidding!  Like my wife does, I will only reply to the first question put in a mail or SMS and ignore the rest. No, I don't compensate. My ears can't pickup the 3ms latency in the recording.If you hear it I understand it's a must for you to be happy with your work. But can't you just play 3 ms before the music to manually compensate? 
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All time favourites: B. Streisand - Woman in Love, M. Hopkin - Those were the days, L. Richie - Hello |
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Apr 28 2010, 10:36 AM
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QUOTE (MickeM @ Apr 28 2010, 11:23 AM)  But can't you just play 3 ms before the music to manually compensate? Oh, I've tried that too, ofc. it's possible - but then You have to stress the timing, and then its gonna be wrong when You play for "real" instead...  This phenomena has drived me nuts the last year or so, it's most remarkable when playing to swing music with the cymbal playing in a triplet feel. In straight rock tunes, it doesn't seems to matter at all though........//Staffay -------------------- Guitars: Ibanez AM-200, Ibanez GB-10, Fender Stratocaster Classic Player, Warmouth Custom Built, Suhr Classic Strat, Gibson Les Paul Standard 2003, Ibanez steel-string Amps: Fender Hot Rod Deluxe, Marshall JMP 2103, AER 60 Effects: BOSS DD-20, Danelectro Trans. Overdrive, TC-Electronics G-Major, Dunlop Wah-wah, Original SansAmp, BOSS DD-2 Music by Staffy can be found at: Staffay at MySpace |
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Apr 28 2010, 11:08 AM
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The formula is as follows Staffy:
where x is the number of samples and s is the delay in milli seconds (x/44100) . 1000 = s so in your case x=( 3.5 x 44100) /1000 = 154 If you don't want the hassle of having to work it out each time there are a few freeware calculators around that do this automatically - ie they will get the latency direct from the host and report it back to you as samples etc. -------------------- Get your music professionally mastered by anl AES registered Mastering Engineer. Contact me for Audio Mastering Services and Advice and visit our website www.miromastering.com
Be friends on facebook with us here. We use professional, mastering grade hardware in our mastering studo. Our hardware includes: Cranesong Avocet II Monitor Controller, Dangerous Music Liasion Insert Hardware Router, ATC SCM Pro Monitors, Lavry Black DA11, Prism Orpheus ADC/DAC, Gyratec Gyraf XIV Parallel Passive Mastering EQ, Great River MAQ 2NV Mastering EQ, Kush Clariphonic Parallel EQ Shelf, Maselec MLA-2 Mastering Compressor, API 2500 Mastering Compressor, Eventide Eclipse Reverb/Echo. |
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Apr 30 2010, 02:27 AM
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Why don't you just use the latency compensation delay function? I hope this is what you need, not sure, check out the inspector view, there is a slider next to volume and pan ones to the left.
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Apr 30 2010, 10:50 AM
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not really helpful solving the issue, but I say get out the reel to reel, sounds better anyway...
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Apr 30 2010, 04:59 PM
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QUOTE (Ivan Milenkovic @ Apr 30 2010, 03:27 AM) Why don't you just use the latency compensation delay function? I hope this is what you need, not sure, check out the inspector view, there is a slider next to volume and pan ones to the left. Yeah, like I said - I AM stupid..... that was far more simple. Thx. Ivan! And thx. Tony! //Staffay QUOTE (stratman79 @ Apr 30 2010, 11:50 AM) not really helpful solving the issue, but I say get out the reel to reel, sounds better anyway... Yeps, I have that experience too.... //Staffay -------------------- Guitars: Ibanez AM-200, Ibanez GB-10, Fender Stratocaster Classic Player, Warmouth Custom Built, Suhr Classic Strat, Gibson Les Paul Standard 2003, Ibanez steel-string Amps: Fender Hot Rod Deluxe, Marshall JMP 2103, AER 60 Effects: BOSS DD-20, Danelectro Trans. Overdrive, TC-Electronics G-Major, Dunlop Wah-wah, Original SansAmp, BOSS DD-2 Music by Staffy can be found at: Staffay at MySpace |
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May 1 2010, 02:10 PM
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NP Staffay
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-------------------- Get your music professionally mastered by anl AES registered Mastering Engineer. Contact me for Audio Mastering Services and Advice and visit our website www.miromastering.com
Be friends on facebook with us here. We use professional, mastering grade hardware in our mastering studo. Our hardware includes: Cranesong Avocet II Monitor Controller, Dangerous Music Liasion Insert Hardware Router, ATC SCM Pro Monitors, Lavry Black DA11, Prism Orpheus ADC/DAC, Gyratec Gyraf XIV Parallel Passive Mastering EQ, Great River MAQ 2NV Mastering EQ, Kush Clariphonic Parallel EQ Shelf, Maselec MLA-2 Mastering Compressor, API 2500 Mastering Compressor, Eventide Eclipse Reverb/Echo. |
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May 10 2010, 03:26 AM
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You're welcome. I don't use it today, but back when I worked with the card that had ~150ms of latency, the option was a real time-saver (literally)
-------------------- - Ivan's Video Chat Lesson Notes HERE
- Check out my GMC Profile and Lessons - (Please subscribe to my) YouTube Official Channel - Let's be connected through ! Facebook! :) |
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Jun 5 2010, 03:17 PM
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Emir has a point. 3ms latency it probably not a real figure. Every plugin in the chain increases latency, as every plugin adds up to the time the signal needs to be processed. Bulky plugins, such as software modelers or mastering compressors/limiters can add up quite a bit.
-------------------- - Ivan's Video Chat Lesson Notes HERE
- Check out my GMC Profile and Lessons - (Please subscribe to my) YouTube Official Channel - Let's be connected through ! Facebook! :) |
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