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What is jitter correction and how do I enable it in Nero?
A CD-R/RW drive writes music data on a CD in the form of pits and lands (grooves and peaks, just like a vinyl record). The digital information in the pits and lands is decoded by the scanning unit in the CD-player and played. Various influential factors, (component tolerances, ripple voltage, and electromagnetic fields), can prevent the signals of the pits and lands from reaching the CD-player's scanning unit at exactly the right time. This delay is referred to as jitter.
- A good analogy to describe jitter is that a train is due to depart at exactly 7:30 AM. It could however leave at 7:29 AM or 7:31 AM. This tolerance range or variance is what is referred to as jitter.
High jitter values are responsible for inaccurate sound positioning, poor bass frequency and unclear sound. To enable jitter correction in Nero Burning ROM:
- Click on the Start button
- Select Programs
- Select Ahead Nero Burning ROM
- If the Nero Wizard window appears, click on the Close Wizard button to open the New Compilation window
- Select the CD Copy icon from the menu on the left
- Select the Read Options tab in the center
- Under the heading of Audio Tracks, place a check in the box next to Use Jitter Correction to enable Jitter Correction
If you are recording .wav and .mp3 files from the hard disk drive to the veloCD drive, jitter correction may not correct any crackling and popping issues that you might be experiencing - jitter correction’s primary function is to eliminate anomalies during a CD Copy. A couple of other steps that may alleviate this issue is:
- Ensure that you have the most current updates from Microsoft for Windows via Windows update (http://www.update.microsoft.com/)
- Updated sound card drivers from the sound card manufacturer’s website could also eliminate any crackling or popping noises
- You may need to update your IDE Bus Master driver from the computer / motherboard manufacturer's website for the specific model of computer / motherboard. Note: VIA chipsets are notorious for being noisy when recording
- You may also want to download the updated Nero ASPI driver layer from http://www.nero.com/eng/index.html
- The Windows 98/98 SE/ME filename to search for is: neaspien.exe
- The Windows 2000/XP filename to search for is: wnaspi32.dll
- A different media brand may also provide a solution, as may a different MP3 encoder
- You might want to download a MP3 Tester program from the internet to check the MP3 files that you are attempting to record, as this may provide resolution to this issue.
Last update: 05:41 PM Friday, November 2, 2007
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