H L Data Storage Store Banner 970x90
Breaking News

CORSAIR Launches New TC200 Gaming Chairs Samsung Begins Chip Production Using 3nm Process Technology With GAA Architecture GIGABYTE Enterprise Products Support AMD Ryzen Threadripper PRO 5000WX Series Processors Arcade Paradise launches on PS4 & PS5 on August 11 Nikon announces Z 30 APS-C size mirrorless camera and NIKKOR Z 400mm f/4.5 VR S

logo

  • Share Us
    • Facebook
    • Twitter
  • Home
  • Home
  • News
  • Reviews
  • Forum
  • Legacy
  • About
    • Submit News

    • Contact Us
    • Privacy

    • Promotion
    • Advertise

    • RSS Feed
    • Site Map

Search form

BenQ DW1620 (vB7P9)

Nov 29,2004 0

13. QScan Utility

 

Review Pages

1. Introduction
2. DVD Recording Tests
3. Supported Media List for Fw B7P9
4. CDSpeed/PlexTools Scans - Page 1
5. CDSpeed/PlexTools Scans - Page 2
6. CDSpeed/PlexTools Scans - Page 3
7. CDSpeed/PlexTools Scans - Page 4
8. CDSpeed/PlexTools Scans - Page 5
9. CDSpeed/PlexTools Scans - Page 6
10. CDSpeed/PlexTools Scans - Page 7
11. DVD+R DL- Page 1
12. DVD+R DL- Page 2
13. QScan Utility
14. Conclusion

 

BenQ DW1620 - Page 13

QScan Utility

What is TE and FE?

TE (Tracking Error) shows how well the drive follows the predefined track on the disc. FE (Focus Error) shows how well the drive is able to focus the laser on the disc. When the laser beam cannot focus horizontally and vertically, TE and FE will occur and can be recorded. That means, lower and smoother TE and FE error level indicates laser beam can focus more precisely on disc tracks.

Importance of TE and FE

1. A good quality disc will have clear track so a drive can write data on it more easily. And a correctly focused laser will make a correctly defined pit. Therefore, low TE/FE error level can maximize the writing strategy performance of the drive.
2. When burning at low speed, drive servo usually has the ability to compensate small TE/FE variance of the disc. But when burning speed increases, TE/FE plays important role to help us identify if the disc can successfully burn under desired speed. Imagine when you drive at high speed, the smooth level of the road will decide if this is going to be a bumpy ride.
3. Here we have 3 graphs to demonstrate TE and FE using BenQ's QScan (detail description of QScan will be covered in Part 2). X-axis describes disc track location and Y-axis marks TE and FE error level. Criteria are set as: TE 500 and FE 450. They are relative values rather than absolute ones. When the measured TE or FE value goes beyond defined criteria at some disc location once, QScan will determine the disc as "not recommended" for burning under selected speed, because disc will likely to encounter write fail or read fail at that address.
4. Based on our previous description, a disc that makes writing strategy deployed well should have (1) TE/FE measurement beneath criteria and (2) stable line shape. For example, disc of Graph-1 meets both requirements. Usually this kind of discs will be qualified as "good" or A-grade discs.
5. It's worth noted that even a disc that has TE/FE beneath criteria like Graph-2, if the drawing line is quite "bumpy" (i.e. TE/FE has big variance), it's not good for writing strategy either.
6. The disc shown in Graph-3, which neither meets requirement (1) nor (2), will almost encounter high PI or POP.

Below are the results of scans of two media, both from Mitsubishi Chemicals, at two different speeds for each media.

- Mitsubishi Chemicals 16X DVD+R scaned for 16X

- Mitsubishi Chemicals 16X DVD+R scaned for 4X

- Mitsubishi Chemicals 4X DVD+R DL scanned for 4X

- Mitsubishi Chemicals 4X DVD+R DL scanned for 2.4X

According to the results, both discs burn acceptably at the selected speeds.

 

Review Pages

1. Introduction
2. DVD Recording Tests
3. Supported Media List for Fw B7P9
4. CDSpeed/PlexTools Scans - Page 1
5. CDSpeed/PlexTools Scans - Page 2
6. CDSpeed/PlexTools Scans - Page 3
7. CDSpeed/PlexTools Scans - Page 4
8. CDSpeed/PlexTools Scans - Page 5
9. CDSpeed/PlexTools Scans - Page 6
10. CDSpeed/PlexTools Scans - Page 7
11. DVD+R DL- Page 1
12. DVD+R DL- Page 2
13. QScan Utility
14. Conclusion

 

Pages

  • « first
  • ‹ previous
  • …
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • next ›
  • last »

Benq

Tags: Benq
Previous Post
EQS A44P8-MLF
Next Post
NeuNeo DV308 MPEG4 DVD Player

Related Posts

  • BenQ Releases True 4K HDR Smart Home Projectors Powered by Google

  • BenQ Debuts HDR Console Gaming Projector With High Brightness

  • BenQ Expands 4K UHD HDR Home Cinema Lineup With Midrange Projector

  • BenQ's True 4K UHD HDR Home Cinema Projector Debuts at Less Than $2000

  • BenQ Professional Designer Monitor Promises Individually Factory-Calibrated Color Precision

  • New BenQ SW320 Flagship Photographer Monitor Released

  • New BenQ Projector Supports 5-GHz WHDI Technology

  • BenQ to Showcase 3D-Ready Home Cinema Projectors, Mini Projectors, and Gaming Monitors at CES 2012

H L Data Storage Store Banner 300x600

 

Latest Reviews

10 Top Majors for Students Who Aren't Sure
Consumer Electronics

10 Top Majors for Students Who Aren't Sure

AI Completely Mastered Poker
Enterprise & IT

AI Completely Mastered Poker

Noctua NH-D12L CPU Cooler
Cooling Systems

Noctua NH-D12L CPU Cooler

EnGenius ECW230 Access Point
Enterprise & IT

EnGenius ECW230 Access Point

What Are The Similarities Between The Metaverse And The Matrix?
Enterprise & IT

What Are The Similarities Between The Metaverse And The Matrix?

Popular News

Samsung Releases New Flash Laptop

Samsung Releases New Flash Laptop

Facebook Unveils New Technology to Fight Child Exploitation

Facebook Unveils New Technology to Fight Child Exploitation

Samsung's Next Smartphone foray: Galaxy S10, 5G, Folding Phones

Samsung's Next Smartphone foray: Galaxy S10, 5G, Folding Phones

YouTube to Invest $20m in Educational Creators

YouTube to Invest $20m in Educational Creators

Twitter's Ad Sales Surge

Twitter's Ad Sales Surge

Samsung HMD Odyssey+ Mixed Reality Headset Comes WithTwo 3.5-inch AMOLED Displays

Samsung HMD Odyssey+ Mixed Reality Headset Comes WithTwo 3.5-inch AMOLED Displays

Japanese Wireless Carriers to Cut iPhone XR Price: report

Japanese Wireless Carriers to Cut iPhone XR Price: report

Google To Deliver Personalized Audio News Lists Through AI Assistant

Google To Deliver Personalized Audio News Lists Through AI Assistant

  • Home
  • News
  • Reviews
  • Forum
  • Legacy
  • About
    • Submit News

    • Contact Us
    • Privacy

    • Promotion
    • Advertise

    • RSS Feed
    • Site Map
  • About
  • Privacy
  • Contact Us
  • Promotional Opportunities @ CdrInfo.com
  • Advertise on out site
  • Submit your News to our site
  • RSS Feed