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DVX 

Instruction 

Manual 

         19

 

Depending on your own requirements, you will have to decide where to draw the line as far as what you are willing to 
consider necessary and sufficient performance.  Also please see the section 

INTERPRETING THE RESULTS

 on pg. 

35. 

DVD Discs 

GRADE A =  

Ave. PI Bytes over the whole disc not greater than 50 
Pk. PI Bytes not greater than 250 
Ave. POE not greater than 5 
Pk. PIE not greater than 140 
Pk. PIF not greater than 9 
NO POF 
NO UNCR 
 

GRADE B =  

Pk. PIE not greater than 140 
Ave. POE not greater than 20 
Pk. PIF not greater than 14 
NO POF 
NO UNCR 

GRADE C =  

Pk. POE not greater than 1100 
Pk. PIF not greater than 30 
NO POF 
NO UNCR 
MOD less than 0.6 

 

 

(I

14

/I

14H

) 

MAX BETA greater than 15% 
MIN BETA less than -5% 

single layer disc: REF less than 45% 

REF greater than 85% 
RES less than 0.15 

 

 

(I

3

/I

14

) 

dual layer disc:    RES less than 0.20 

 

 

(I

3

/I

14

) 

REF less than 18% 
REF greater than 30% 

GRADE D =  

Pk POE greater than 1100 
Pk. PIF greater than 30 

GRADE F =  

Pk. PIE greater than 280 
ANY POF 
ANY UNCR 
MAX BETA greater than 20% 
MIN BETA less than -7.5%  
MOD less than 0.48 

 

 

(I

14

/I

14H

) 

single layer disc: REF less than 36% 

REF greater than 102% 
RES less than 0.12 

 

 

(I

3

/I

14

) 

dual layer disc:    REF less than 14.4% 

REF greater than 36% 
RES less than 0.16 

 

 

(I

3

/I

14

) 

 

Setting Pass / Fail Criteria 

It is possible to set limits for each parameter measured.  If the value for any parameter exceeds this limit, then the 
corresponding indicator in the main window will turn red, indicating an over-range condition.  In addition, any 
parameters which went over it’s limit will be printed in red and will be rejected by the autoloader when installed.  This 
feature allows you to create your own “Pass/Fail” criteria. 

Содержание DVX-4

Страница 1: ...D DV VX X 4 4 DVD CD ANALYZER OPERATING MANUAL Version 3 1 TM...

Страница 2: ...COPYRIGHT 2005 2012 CLOVER SYSTEMS ALL RIGHTS RESERVED...

Страница 3: ...Mode 4 Test Results 5 Error Rates 5 One Second and Ten Second Averaging CDs Only 5 Sum1 and Sum8 Reporting DVDs Only 5 Pass Fail Indication 5 Grade 5 Subcode Skew CD Data Discs Only 5 Postgap CD Data...

Страница 4: ...p 11 Get Write Mode 11 Include Validate 11 Enter User Info 11 Automation 11 Enable Automation 11 Prompt for Filename 11 AutoPrint 11 Shake Disc 12 Disable Reject 12 LOADING THE DISC 12 Entering User I...

Страница 5: ...GNATURE 24 Validating Audio Discs 25 Clover Signature vs MD5 25 FORMAT TESTS 25 ISO9660 25 Subcode Skew CD Only 25 Post Gap CD Only 25 DISPLAYING DISC DATA 25 CREATING A DISC IMAGE 26 PRINTING 27 Prin...

Страница 6: ...41 Asym Beta 41 Reflectivity 42 INTERPRETING HF SIGNALS ON DVD 42 I14 I14H Modulation 42 I3 I14 Resolution 42 Asym Beta 42 Reflectivity 42 DVX QUALIFICATION DISCS 42 CALIBRATION 43 QUALITY CONTROL BA...

Страница 7: ...Test Times 52 SYSTEM SPECIFICATIONS 52 DRIVE SPECIFICATIONS 53 DRIVE ERROR CODES 54 Sense Code ASC and Additional Sense Code Qualifier ASCQ Descriptions 54 For Sense Key RECOVERED ERROR 1 54 For Sense...

Страница 8: ...Sample All Chart 22 Fig 15 Verify View 24 Fig 16 Sector Data on Disc 26 Fig 17 Sample CD Summary Printout 28 Fig 18 Sample DVD Summary Printout 28 Fig 19 Analog Alarms Setting 31 Fig 20 Analog Calibr...

Страница 9: ...es of DVDs and CDs On CDs DVX automatically measures and displays BLER Block Error Rate E11 E21 E31 E12 E22 and E32 uncorrectable errors 1 as well as Reflectivity I11 Itop I3 Itop Beta Focus Error Tra...

Страница 10: ...or and printer Everything is connected internally and fully calibrated These connections are made just like an ordinary PC DVX 4 can be powered from AC line voltages from 90VAC to 260VAC 50 60 Hz The...

Страница 11: ...c Information Disc Type For CDs this can be CD DA CD ROM CD R or CD RW In the case of CD R or CD RW discs the disc capacity is also shown in minutes i e 63 74 80 etc For DVDs this can be DVD ROM DVD R...

Страница 12: ...UPC EAN Code Universal Product Code usually implemented as bar code on a package it can also be encoded into the disc Table of Contents MID code This is the manufacturers identification code It is em...

Страница 13: ...rrors are counted per 8 ECC blocks PIF and POF errors are counted per 1 ECC block Pass Fail Indication If any of these error values goes over a user selectable limit the indicator will turn red This p...

Страница 14: ...the order Sum8 then Sum1 Analog Checkbox If checked will cause the Analog test to be automatically performed after the error tests If AMM 1 is not installed only Beta and Jitter will be measured Test...

Страница 15: ...have only one track plus leadout per session Start times are shown as Logical Block Addresses ISRC Codes Clicking the ISRC button in the Table of Contents view will get and display the ISRC codes if...

Страница 16: ...My Documents DVX Data folder CD Text can then be formatted or exported to other applications Current data will be added to the end of the spreadsheet Therefore if you want the data to start at row 2...

Страница 17: ...u or VTOC button in the toolbar will display the disc volume descriptors all disc types except CD DA In addition to the primary volume descriptor you can display the supplementary volume descriptor if...

Страница 18: ...that greatly increases the speed of disc testing When QuickScan is enabled the speed of the test is increased by about 3 times for CDs and 10 times for DVDs 48X test speed on a CD then becomes effecti...

Страница 19: ...e error test The results will be displayed in the Verify Errors box in the main view and also in the Summary view Before beginning the test you must create the signature from your master disc that you...

Страница 20: ...few seconds as the drive reads the Table of Contents The Drive Status display will show LOAD DISC Wait till the light goes out and Drive Status reads READY Entering User Information You can enter up...

Страница 21: ...four checkboxes that select which tests you want to run Sum1 Sum8 Analog and Blank Test Whichever combination of tests are selected will be run sequentially when you press Start Starting the Test Clic...

Страница 22: ...readsheet checkbox in the Settings tab of the Preferences dialog When enabled checked the summary results of the main test will be appended to the end of a spreadsheet named CDTests xls for CDs or DVD...

Страница 23: ...User Info 7 User Info 7 11 User Info 8 User Info 8 12 User Info 9 User Info 9 13 User Info 10 User Info 10 14 MID Code MID Code 15 Grade Grade 16 Pass Fail Pass Fail 17 AVE BLER AVE PI Bytes 18 PK BLE...

Страница 24: ...REF AVE Modulation 53 AVE REF MAX Modulation 54 MAX REF MIN Resolution 55 MIN I11 Itop AVE Resolution 56 AVE I11 Itop MAX Resolution 57 MAX I11 Itop 58 MIN I3 Itop 59 AVE I3 Itop 60 MAX I3 Itop Fig 1...

Страница 25: ...All Samples in the CSV File group If you select Summary a summary of the test results is appended to the CSV file The format of the data in the text files is the same as in the spreadsheet files If yo...

Страница 26: ...A B are good discs for any use including the most demanding uses Most data publishers do not like to see BLER more than 50 or any E22 or E32 errors Therefore GRADES C through F would be unacceptable...

Страница 27: ...disc REF less than 45 REF greater than 85 RES less than 0 15 I3 I14 dual layer disc RES less than 0 20 I3 I14 REF less than 18 REF greater than 30 GRADE D Pk POE greater than 1100 Pk PIF greater than...

Страница 28: ...ssword will be changed to the new entry Fig 11 Alarm Settings Property Sheet Note The default password is Clover The password is case sensitive so you must type it exactly as shown without the quotes...

Страница 29: ...plication such as a spreadsheet or database program The X Axis units are minutes for CD or GBytes for DVD Print All Charts This menu selection prints a page of eight individual charts of each paramete...

Страница 30: ...ks You can also apply grid lines to the chart with this dialog The axis settings are saved for all charts so that the next time you run DVX it will start up with the axes set the way you left them Cha...

Страница 31: ...ta dialog The current sector and number of bad bytes detected are displayed as the test progresses All sectors that fail to verify are listed in the window on the right Double click on any sector in t...

Страница 32: ...r Number will appear in the edit box It is a 160 bit binary number represented by 20 hex digits The number will be saved with the test data if you select File Save in the menu or toolbar You can also...

Страница 33: ...tical to the sector address contained in the sector header of a data disc Any discrepancy between these two values is called Subcode Skew This type of error can be caused by the recording system Skew...

Страница 34: ...be 150 or more So the first sector of user data is typically physical sector 150 which would be logical block address 0 DVD sectors are always displayed as Logical Block Addresses On CD data discs an...

Страница 35: ...arm Limits will be printed in red You can also print the main window on the printer which provides a graphic summary Just select the main view and then select File Print in the main menu Printing the...

Страница 36: ...R 12 10Pk BLER 4 Av E11 2 5 Pk E11 12 10Pk E11 4 Av E21 0 0 Pk E21 1 10Pk E21 0 Av E31 0 0 Pk E31 4 10Pk E31 0 Av E12 0 1 Pk E12 10 10Pk E12 1 Av E22 0 0 Pk E22 0 10Pk E22 0 Av E32 0 0 Pk E32 0 10Pk E...

Страница 37: ...Pk PI Bytes 18 Tot PI Bytes 33954 Av PIE 46 2 Pk PIE 89 Tot PIE 185556 Av PIF 1 4 Pk PIF 3 Tot PIF 5679 Av PO Bytes 16 0 Pk PO Bytes 93 Tot PO Bytes 64524 Av POE 119 8 Pk POE 578 Tot POE 481349 Av POF...

Страница 38: ...on CDs or reflectivity modulation resolution and beta on DVDs The jitter measurement also is related to pit quality Disc performance can only be measured by playing the disc Unfortunately when you mea...

Страница 39: ...ffected Some parameters are also affected by temperature Therefore DVX should be used in a temperature controlled environment In addition the temperature of the laser increases as it is used so it is...

Страница 40: ...the analog tests are limited to those speeds Enabling QuickScan will greatly reduce the test time The test speed will automatically be set to the appropriate CLV speed when the test starts and returne...

Страница 41: ...ed in the transitions between pits and lands CD HF Signal The eight to fourteen EFM modulation scheme used produces just nine different possible lengths of pits and lands Therefore the resulting HF co...

Страница 42: ...one fundamental length called 1T The eleven possible lengths of pits and lands are 3T 4T 5T 6T 7T 8T 9T 10T 12T 13T and 14T The waveforms generated by these pits lands are called I3 I4 I5 I6 I7 I8 I9...

Страница 43: ...Fig 23 CD HF Eye Pattern DVX Instruction Manual 35...

Страница 44: ...issing information must have been The other principle used is interleaving This means that the data is distributed over a relatively large physical area If the data were recorded sequentially a small...

Страница 45: ...ence from CD is the size of the correction block and the lack of interleaving CD error correction uses an error correction block of only 24 user bytes CDs were designed for audio and you don t want an...

Страница 46: ...tes default limit 21 POE maximum correctable 182 columns 8 blocks 1456 columns default limit 55 POF maximum correctable 0 default limit 0 UNCR maximum correctable 0 default limit 0 As you can see the...

Страница 47: ...Fig 24 Local Defect Fig 25 Global Defect Here s an example of a disc with global problems over a large area of the disc DVX Instruction Manual 39...

Страница 48: ...he Sum1 test detects the number bad bytes in rows and columns plus the number of uncorrectable rows and columns in one ECC block This is the highest resolution view so small defects should show up bes...

Страница 49: ...int Minimum allowed is 0 30 and maximum is 0 60 Asym Beta Asymmetry and Beta are two different ways of measuring the same thing They are a measure of the relative amount of pit and land Zero asymmetry...

Страница 50: ...ing or writing a DVD R Asymmetry for DVD is defined with the opposite sign as for CD Therefore positive asymmetry on a DVD corresponds to negative asymmetry on a CD and positive Beta Higher laser powe...

Страница 51: ...cs will be about the same at higher speeds as at the slowest speed Small errors such as E11 E21 will not be affected much Burst errors on the other hand will be greatly affected Most burst errors E22...

Страница 52: ...between media writer and software is necessary to produce good discs Certain combinations of write strategy recording speed and media type can produce poor results Determining the best media to use wi...

Страница 53: ...them so players are operating at the limit of physical laws Playing a disc is not wholly deterministic but is rather a statistical process Therefore the results will not necessarily be the same each...

Страница 54: ...meet Red Book or DVD specs DISC DUPLICATION TIPS How to Test Blank Media DVX will measure Focus Error and Tracking Error on a blank disc CD or DVD To do this load the disc and wait for it to initiali...

Страница 55: ...ich works best Recording speed also makes a big difference Again your results will depend on the combination of writer and media but try each type of media at different speeds to see what works best D...

Страница 56: ...ddresses DVD locations are never entered in physical sector numbers or Minutes Seconds Frames How QuickScanTM works QuickScanTM is an exclusive feature of DVX that speeds up testing by 3 times for CDs...

Страница 57: ...Fig 28 CD Error Test with QuickScan Fig 29 CD Error Test without QuickScan DVX Instruction Manual 49...

Страница 58: ...Fig 30 DVD Error Test without QuickScan Fig 31 DVD Error Test with QuickScan 50 DVX Instruction Manual...

Страница 59: ...s life To make your DVX last as long as possible please do not use it for recording Recording uses approximately 10 times more laser power as reading and therefore will shorten the life of the laser T...

Страница 60: ...11 07 10 40 43 04 59 89 05 08 48 Fig 32 CD and DVD Test Times All times are in minutes and seconds MM SS All times are for a full disc if disc is not full time will be proportionally less SYSTEM SPECI...

Страница 61: ...48 Host Interface Ultra DMA Transfer Modes 0 4 Ultra DMA66 Read Speed DVD Minimum 2X CLV Maximum molded single layer disc 6 16X CAV Maximum molded dual layer disc 5 12X CAV Maximum DVD R RW 5 12X CAV...

Страница 62: ...Q 00 it means that the cause of the problem cannot be determined The example error code means that the disc is unreadable for unknown reasons The following table lists the additional sense codes and a...

Страница 63: ...AILURE 09 01 TRACKING SERVO FAILURE 09 02 FOCUS SERVO FAILURE 09 03 SPINDLE SERVO FAILURE 1B 00 TRANSFER ERROR 40 00 DIAGNOSTIC FAILURE ON COMPONENT O INTERNAL BUS FAILURE 44 00 INTERNAL TARGET FAILUR...

Страница 64: ...OWER ON RESET OR BUS DEVICE RESET OCCURRED 2A 01 MODE PARAMETER CHANGED For Sense Key ABORTED COMMAND B ASC ASCQ Description 43 00 MESSAGE ERROR 45 00 SELECT RESELECT FAILURE 48 00 INITIATOR DETECTED...

Страница 65: ...orphous structure which has lower reflectivity CD RW reflectivity is much lower than CD R so not all drives can read these discs CIRC Cross Interleave Reed Solomon Code A method of error detection and...

Страница 66: ...ble by inner parity in 1 ECC block DVD only PO Bytes Number of bad bytes encountered in all columns of 1 ECC block DVD only POE Number of columns in 8 ECC blocks that had errors detected by outer pari...

Страница 67: ...ced in Q subcode in the lead in area of a CD disc TAO Track At Once Recording method where one track is recorded Lead in and lead out are added later UPC EAN Universal Product Code European Article Nu...

Страница 68: ...OR CODES 54 Error Names 37 Eye Pattern 34 35 Grade 1 5 15 19 INSTALLATION 2 ISO9660 25 ISRC Codes 7 LBA See Logical Blocks Logical Blocks 48 Pass Fail 5 15 20 Physical sector 48 Postgap 5 25 PRINTING...

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