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General Information

Section 1

January 2009

Digital Talking-Book Player

10

Library Guide

Digital Talking Book

1.4

A digital talking book is composed of a collection of computer files. These files contain the digitized audio content
along with information on the book’s structure to permit both random access and linear reading of the material. To
play the book, a compatible player requires information on how all the audio files fit together and the location of the
book structure elements such as parts, chapters, and optionally page numbers.

Digital talking books created for NLS are built to conform to the ANSI/NISO Z39.86-2002 standard. Using the
complete standard, books can be created in many formats such as audio, text, or mixed text and audio. The content of
NLS digital talking books contains only human narrated speech. In the following description of the DTB, only those
parts of the standard relevant to NLS-produced books are described.

1.4.1 Files That Make Up a Typical DTB

File Name

Description

Purpose

db54321.ppf

Protected

Package file (PPF)

Book structure

db54321.pncx

Protected

Navigation Control file (NCX)

Book navigation

db54321-01.smil
db54321-02.smil

Synchronized Multimedia Integration Language
(SMIL) files

Audio clip organization

db54321-01.3gp
db54321-02.3gp
db54321-03.3gp
db54321-04.3gp
db54321-05.3gp
db54321-06.3gp
db54321-07.3gp

AMR-WB+ files

db54321ann.3gp

AMR-WB+ announcement file

db54321hdgs.3gp

AMR-WB+ headings file

Compressed audio

us-nls-db54321.ao

Authorization object

contains the symmetric keys for the encrypted files
encrypted in the NLS public key

Book protection

dtbsmil110.dtd

Document Type Definition file

ncx110.dtd

Document Type Definition file

oeb1.ent

Entity file

oebpkg101.dtd

Document Type Definition file

Administrative files for
book validation but not
required to play the book

pdtb_protected.smil

Façade Book

SMIL presentation

protected.mp3

Façade Book

announcement

db54321.ncx

Façade Book

Navigation Control file (NCX)

db54321.opf

Façade Book

Package file (OPF)

Façade Book

Figure 1-5. Example DTB files

1.4.1.1 Package

File

The Package file contains administrative information about the DTB, the files that compose it, and how these files
interrelate.

The major parts of the Package file are as follows:

•

Package Identity

– a unique identifier for the DTB

•

Metadata

– Publication metadata (title, author, publisher, etc.)

•

Manifest

– A list of files that make up the DTB

•

Spine

– An arrangement of files providing a linear reading order

«
...
9
10
11
12
13
...
»

Содержание DA1

Страница 1: ...National Library Service for the Blind and Physically Handicapped The Library of Congress Digital Talking Book Player Models DS1 and DA1 Library Guide Preliminary Version 0 63 February 2009 ...

Страница 2: ...n Battery Power 43 4 4 Battery Condition and Player Statistics 44 4 5 Keypad Check 45 4 6 Cartridge Check 46 4 7 Audio Quality 47 4 8 Headphone Check 47 4 9 AT Device Port Check 48 5 General Upkeep Activities 49 5 1 Exterior Cleaning 49 5 2 Battery Replacement 49 5 3 Software Upgrade 50 6 Preparation for Shipping 51 7 Long Term Player Storage 52 8 Appendix 53 8 1 Statistics Table 53 8 2 List of Er...

Страница 3: ...ed on the top surface In addition several player functions occur automatically in response to patron actions or inactions The player automatically powers on and gives an audible greeting when the patron plugs the power cord into a live AC power outlet When powered on the player will start or resume the playing of a DTB automatically when the cartridge is inserted into the player When operating on ...

Страница 4: ... like the Volume buttons They are located between the round speaker and the edges of the player The Tone buttons are close to the top left edge The Speed buttons are close to the top right edge The Volume Tone and Speed controls all announce the direction of adjustment with each press of the button e g Tone up or Tone down with similar announcements for the other controls When playing a book the A...

Страница 5: ...s between the raised line and the round speaker The advanced controls are for setting and retrieving bookmarks and for navigating through the structured levels of a NISO Daisy 2 02 or CEA 2003 book The white rectangular Menu button in the center of the player selects the level at which step navigation by the Next and Previous buttons occurs Pressing this button repeatedly selects progressively fin...

Страница 6: ...The battery pack comprises 6 Nickel Metal Hydride NiMH cells a self resetting fuse and a 70 C thermostat for safety and a thermistor for end of charge detection The nominal capacity of the battery is 2000mAH which will provide approximately 35 hours of play time at normal speed and normal volume settings To preserve the service life of the battery a charge cycle is initiated only if the remaining ...

Страница 7: ...box size 316 3 mm 12 in width 232 mm 9 1 in depth 97mm 3 8 in height Player overpack 8 players 480 mm 19 in width 406 mm 16 in depth 318 mm 12 5 in height Book formats ANSI NISO Z39 86 2002 Daisy 2 02 CEA 2003 Audio formats AMR WB 3GP file format MPEG 1 layer 3 RIFF WAV Speaker frequency response 200 Hz to 10 kHz 6 dB Headphone frequency response 20 Hz to 20 kHz 3 dB Speaker power max 2 W Headphon...

Страница 8: ...e IPA Isopropyl Alcohol mAh milliAmpere hour MLA Machine Lending Agency MP3 MPEG 1 Audio Layer 3 Format NISO National Information Standards Organization PC Personal Computer PDTB Protected Digital Talking Book Using DAISY PDTB2 Service Center During the warranty period the manufacturer post warranty the contract repair entity specified by NLS USB Universal Serial Bus VAC Volts Alternating Current ...

Страница 9: ...nadvertently or maliciously alter the contents of the book Cartridges are manufactured in several sizes The nominal capacities are 512 MB and 1 GB and 2GB About 99 5 percent of NLS DTB titles are less than 1GB in size Cartridges accommodate a print and braille label in a slightly recessed area to protect the embossed braille This label contains two 30 point print lines four large print 14 point li...

Страница 10: ...artridge size 57 mm 2 25 in width 95 mm 3 75 in depth 10 mm 0 39 in height Cartridge weight 37 g 1 3 oz Technology USB high speed mass storage device Capacity unformatted 512 MB 1 GB 2GB 4GB File system FAT12 FAT16 FAT32 ext2 ext3 Container size 112 mm 4 4 in width 152 mm 6 in depth 19 mm 0 75 in height Container weight 110 g 3 87 oz ...

Страница 11: ...on db54321 01 smil db54321 02 smil Synchronized Multimedia Integration Language SMIL files Audio clip organization db54321 01 3gp db54321 02 3gp db54321 03 3gp db54321 04 3gp db54321 05 3gp db54321 06 3gp db54321 07 3gp AMR WB files db54321ann 3gp AMR WB announcement file db54321hdgs 3gp AMR WB headings file Compressed audio us nls db54321 ao Authorization object contains the symmetric keys for th...

Страница 12: ...ir size NLS uses AMR Wideband Plus WB an advanced compression standard specifically designed for high quality voice compression The compressed audio is stored on the cartridge in the 3GP file format 1 4 1 5 Authorization Object File The audio files and the content of some other files are encrypted to meet the requirements of copyright law The keys to decrypt the audio and markup files are unique f...

Страница 13: ...ation If it does not have the secret key that this book was protected with it will play the Façade Book Audio Files db54321ann 3gp db54321 01 3gp db54321 02 3gp db54321 03 3gp db54321 04 3gp db54321 05 3gp db54321 06 3gp db54321 07 3gp SMIL Files db54321 01 smil db54321 02 smil Package File db54321 ppf NCX File Navigation db54321 pncx Audio File db54321hdgs 3gp Figure 1 6 Representation of a Typic...

Страница 14: ...he user actions e g the player may react differently to a press and hold on a control than to a faster press and release January 2009 Digital Talking Book Player 13 2 1 Player Controls The description of player controls in this section refers to several player states 1 Primary The usual function for the control Most controls require a book cartridge with a DTB to be inserted into the player for th...

Страница 15: ...tridge or from the beginning if the book has never been played When the player is stopped and the reading position is the end of the book pressing Play Stop once will play a message informing the user of this and that pressing Play Stop again will move the reading position to the beginning of the book Secondary Standard Model only Pressing and holding the Play Stop button will switch playback from...

Страница 16: ...seconds the RW button is held Until a chapter boundary is crossed the acceleration will increase to a ceiling of 1 hour steps for each 3 seconds that the RW button is held On release of the Rewind button the chapter name is announced if the reading position has crossed a chapter boundary Playback will continue following release of the Rewind button only if the book was playing prior to pressing Re...

Страница 17: ...eading position moves Initial Press 5 seconds 2 seconds 20 seconds 4 seconds 1 minute 7 seconds 5 minutes 10 seconds 15 minutes Until a chapter boundary is crossed 13 seconds 30 minutes 16 seconds 1 hour 19 seconds 2 hours each 3 seconds 1 hours Once a chapter boundary is crossed each 2 seconds 1 chapter Power Power Primary Pressing the Power button turns the player on and off when it is being pow...

Страница 18: ...disable the sleep function Pressing any other controls such as volume will have no effect on the sleep timer Secondary The player s serial number and software version can be played by rapidly pressing the Sleep button 10 times or more when a cartridge is not inserted The informational message will repeat until the Play Stop or Power button is pressed Tone Tone Pressing the Tone Up or Tone Down but...

Страница 19: ...ns the same A distinct double beep sounds when the speed is adjusted to maximum or minimum to inform the user no more adjustment is available A different beep and announcement sound at the normal speed setting The speed adjustment is only active when a book cartridge is inserted When a book cartridge is inserted for the first time the player sets the speed level to normal The player remembers the ...

Страница 20: ...igation level at which the Previous element and Next element buttons operate The levels available depend on the particular book Many books will be marked at the chapter level only while some will mark parts and chapters or chapters and sections Recipe books are likely to have recipe and page levels The Phrase level actually permits navigation by SMIL segments or one minute intervals if its length ...

Страница 21: ... The book will play the lowest navigation level audio element e g the section title if chapter and section is present and the elapsed book time at the bookmark Then the book will play from the bookmark Bookmark Stopped 1 The reading position moves to the first bookmark prior to the current reading position or to the beginning of the book if no bookmark was set 2 The book will play the lowest navig...

Страница 22: ...el audio element e g the section title if chapter and section are present and the elapsed book time at the bookmark Then the book will play from the bookmark or will stop if at the end of the book Bookmark Stopped 1 The reading position moves to the first bookmark following the current reading position or to the end of the book if none was set 2 The book will play the lowest navigation level audio...

Страница 23: ...ts keys to each of the player s own keys with the exception of the Power button This mapping is performed through a learning mode The regular controls are still active when an AT device is connected thus the player can be controlled by either the integral keypad or the AT device 2 2 1 Default AT Device Assignments If a control has not been assigned through the learning process then the player cont...

Страница 24: ... device is connected before entering learning mode is played The player then returns to Key Describer mode Initiating AT Learning Sequence then press FF Audio prompts will lead the user through the learning sequence The first prompt asks the user to press the Fast Forward button to start the learning process or the Power button to exit Assigning Player Functions to the AT Device Buttons Player con...

Страница 25: ...a gamepad can be used to control the player Movements of the joystick to the top left top center top right left right bottom left bottom center and bottom right positions can be assigned to player controls using the learning mode Refer to diagram below There are no default assignments for these joystick movements 4 5 2 3 1 8 6 7 January 2009 Digital Talking Book Player 24 Library Guide ...

Страница 26: ...terminal or computer running a terminal emulator program is attached to the player s internal serial port Use of this mode is described in the Service Center Manual Descriptions of how to access and use the Library and Technician levels are provided in this section General Procedures Hardware Reset If the player stops responding to commands it may be necessary to perform a hardware reset to restar...

Страница 27: ...ile memory have been reset The player must then be powered off normally to save the newly blanked profile data to nonvolatile memory Memory Test To enter the different diagnostic levels described in this section the player RAM memory needs to be functional To ensure that the player s memory is functional a memory test is automatically executed upon entering any diagnostic level This step will take...

Страница 28: ...e Speed Down button so that both buttons are held down simultaneously for 2 seconds when the player is in Key Describer mode no cartridge inserted Reduced Verbosity With no cartridge inserted Press and hold these buttons simultaneously for 2 seconds Fast Forward Speed Down The message Reduced verbosity confirms the operation has been performed successfully To return the player to normal verbosity ...

Страница 29: ...r is benign and can be ignored AT device Problem with the AT device port over current an unreadable cartridge any cartridge playback problem under normal conditions or an unsupported USB device at the AT USB port Power Problems related to a bad battery or battery recharge System Writing problem related to the internal flash memory during a software upgrade It is expected that patrons encountering ...

Страница 30: ...dio announcement Cartridge OK or Cartridge Error 4 Audio announcement AT Device OK or AT Device Error 5 Audio announcement Power OK or Power Error 6 Audio announcement System OK or System Error The five audio announcements listed above are repeated in a loop until the Power key is pressed and held for at least 2 seconds or the Sleep key is pressed and held for 5 seconds Pressing and holding the Po...

Страница 31: ...vice port The player was unable to recognize it as a supported device but was able to detect that a USB device had been plugged in Troubleshooting first exit the Library diagnostic level hold Sleep button for 5 seconds Note AT Device errors can occur if an AT device or USB flash drive is removed while playing a book This error is benign and can be ignored If the AT device or USB flash drive that c...

Страница 32: ...erial 4 In the case of an AT device redo the preceding tests with a cartridge or other AT device supported by the player to validate proper functioning of AT device port Announcement What the Announcement Means The player has not recorded any error codes related to the battery or the battery recharge Power OK A problem with the battery pack was detected Power Error A critical fault occurred when a...

Страница 33: ...tp www loc gov nls DTBM configuration InitialMode value technician configuration dtbm To exit the Technician diagnostic level Power off the player 3 2 1 Introduction The Technician diagnostic level is intended primarily for use by librarians and technicians At this level access to an audio interactive menu is provided to check the current condition of the player s systems read accumulated usage st...

Страница 34: ...rmation Power On beep The player is booting memory test is being performed This step may take a few moments Audio Message Player on Audio Message Player status As noted in section 0 if the player is unable to enter the diagnostic level it should be returned to a repair center for service January 2009 Digital Talking Book Player 33 Library Guide ...

Страница 35: ...d Erase Test Complete Partial Report Export Test English Spanish Statistics Initiate Battery Recharge Disable Enable Replace with a full battery Main Menu Submenus Use the Rewind and Fast Forward to select a Main Menu item o Press Play to enter the Submenu for the Command Use the Rewind and Fast Forward to select a Command within the Submenus o Press Play to execute a Command January 2009 Digital ...

Страница 36: ... other button The player announces Cancel The player then announces the current menu item Player status Cartridge Test Verify the cartridge file system integrity clusters This test can be done on the cartridge port or the AT device port If no cartridge is present the test is stopped If a cartridge is present the test is launched If the cartridge s file system integrity is compromised the test will...

Страница 37: ...o test or the Power button to be pressed to quit the book test The only way to exit the book test is to power off the player Complete The audio files are decoded but audio is not played This is a long test that can be used to validate a whole book including format Audio feedback during the book test is in the form of periodic beeps The time taken to perform this test is approximately one sixth of ...

Страница 38: ...re saved by the player in a text file To export statistics insert a USB memory stick in the player s AT device port Statistics will be saved in an ASCII file that can be viewed with text editor on a PC The file name will be the player s serial number Note No cartridge may be inserted in the cartridge port when exporting statistics Export If a USB memory stick is detected in the AT device port the ...

Страница 39: ...following messages Tone Up Tone Down Speed Up Speed Down Volume Up Volume Down Command Response Info Previous Menu Next Power Sleep Rewind Play Stop Fast Forward After 5 seconds of inactivity the player exits this option The player then announces the current menu item Keypad test Set Language Switch the default language of the player to English or Spanish English Switch the default language to Eng...

Страница 40: ... 50 percent and 75 percent between 75 percent and 100 percent Response Y is the current software version number of the player The player then announces the current menu item Battery Initiate Battery Recharge The player starts charging the battery regardless of the battery s charge state Note It takes at least 5 seconds before the status is updated If the status is queried before that 5 second dela...

Страница 41: ...be lost if the player is unplugged without powering off Response January 2009 Digital Talking Book Player 40 The player announces Battery enabled The player then announces the current menu item Battery Commands Reset This option resets all the battery statistics relative to the current battery pack The player announces Battery statistics for the current battery have been erased from the internal m...

Страница 42: ...value normal configuration directive Clear the bookmarks last marks keys ResetProfile value all Report the battery condition software version BatteryLife Save the accumulated player data to USB drive ExportStatistics Turn off the player Off directive dtbm Configuration elements in options xml Tag Value Effect Change the language setting of the player if different from current configuration English...

Страница 43: ...te If there are no serial number labels on the housing of the player press the sleep button 10 times within 1 minute The player will announce the serial number along with the number of the software version 1 Visually examine the player to identify problems listed below A flashlight or other light source may be needed to examine the cartridge dock and AT device port Check the following for damage o...

Страница 44: ... on and Power error there may be a fault with the battery power system If the player announces Player on and System error there may be a fault with the microprocessor system Send the player for servicing 4 3 Operation on Battery Power Preconditions 1 No DTB cartridge is inserted in the player 2 No AT device or USB flash drive is inserted in the AT device USB port 3 The player has a charged not nec...

Страница 45: ...hem to NLS engineering NLSplayerdata loc gov The data exported from the player take the form of a file with the player s serial number as part of the file name A library should accumulate many such files and at convenient intervals 3 to 6 months send them together as one or more zip compressed files 1 a Enter the Technician diagnostic level as described in section 3 2 b Press the Rewind key to ste...

Страница 46: ... players Since each player will write a file with a name derived from its serial number Did the player report Statistics exported Yes The data were saved to the USB flash drive Continue to section 4 5 No Try again with a different USB flash drive 4 5 Keypad Check Preconditions 1 No DTB cartridge is inserted in the player 2 The player is powered on Methodology The keypad functionality is assessed b...

Страница 47: ...yer play the test book cartridge automatically Yes The cartridge USB electrical interface is functional Continue to step 2 No There may be a fault with the cartridge USB interface If you hear the message Cartridge error restart the player and try the test with a different cartridge Send the player for servicing 2 With the DTB cartridge playing pick up the player with the front edge cartridge end o...

Страница 48: ...phone Check Preconditions None Methodology The plug of a set of headphones is inserted into the headphone jack and its audio is monitored for presence in both left and right sides and for quality The speaker audio is monitored to confirm that the microprocessor has detected the presence of headphones and has deactivated the speaker circuitry This test section is intended to inspect three headphone...

Страница 49: ...ones Continue to section 4 9 No The connector may be contaminated corroded or faulty Send the player for servicing 4 9 AT Device Port Check Preconditions 1 No DTB cartridge is inserted in the cartridge USB port 2 No device is inserted in the AT device USB port Methodology A USB flash drive containing a DTB is inserted into the AT device USB port If the book plays the port is functional 1 a Remove ...

Страница 50: ...ay be necessary to replace the cartridge USB cable In this case send the player for service 4 Clean and dry the Cartridge Dock thoroughly Battery Replacement 5 2 CAUTION Do not strain the battery cable when lifting the battery pack out Tools Needed Parts Needed 2 5mm hex wrench Battery Pack 4824591310 Foam Battery Compartment 4824591316 as needed Note Battery panel screws are captured in the batte...

Страница 51: ... and a ping pong tone is repeated during the upgrade When complete the player will reboot and play any book coexisting with the update files on the cartridge The software if retrieved from the NLS via the Internet will be a single zip file of approximately 30 MB in size This file must be unziped onto a cartridge or USB drive preserving the file structure The root directory of the update software t...

Страница 52: ...kept together so the serial number label on the container matches the player serial number 1 Place the player in the shipping bag 2 Fold the excess flap under the player 3 Press foam inserts onto each end of the player 4 With buttons facing up lower the player into the shipping container 5 Place instructional material on the top of the player 6 Close the container lid 7 Secure with packaging tape ...

Страница 53: ...0 percent per month at room temperature 20ºC and more at higher temperatures Store the battery or player with battery in a cool dry place To disconnect the battery pack 1 Turn the player over so the bottom is facing up and loosen the two battery panel screws until each spins freely 2 Lift the battery access panel up and away from the player Set the panel aside 3 Lift the battery pack out of the co...

Страница 54: ...code comments User Interface 9 Verbosity Verbosity normal reduced 10 Software version Current software version number 11 User Guide Current User Guide version Software Number of times from the birth of the player that the watchdog timer has been used to reset the player when the software was unable to execute parts of the code 12 Software Errors Total playtime of the player on AC power 13 Total pl...

Страница 55: ...y usages 3 hrs 26 3hrs of battery usages 10 hrs 27 Battery usage data 10 hrs of battery usage 28 Number of cartridges inserted Total number of times a USB drive was plugged in 29 Total communication errors from the gas gauge device since the birth of the player 30 Number of Battery Errors Total communication errors from the gas gauge device for the current battery pack 31 Number of Power On Number...

Страница 56: ...OR player was unable to decode audio data Cartridge driver error T Driver problem Operating System drivers Player was unable to open close mount un mount the files directory on the cartridge AT Device error L T At this level all AT device errors will be reported as AT device Error AT Device unreadable Unreadable read AT Device content error Unable to decode book content Player was unable to unders...

Страница 57: ...ry voltage too high OR Charge time too long OR Too many failed charge attempts recharge does not initiate OR Too many invalid charge attempts charge terminates normally with a low voltage System error L T Unable to write in the internal Flash memory during a software upgrade OR player has run out of memory Note Due to the severity of this error the player may not be able to save and report this in...

Страница 58: ...ast 7 seconds A reset beep will be heard This will not erase any bookmarks or prior book last marks from the player The player will only need to be reset in the unlikely event that it becomes unresponsive in normal operation 5 The player said cartridge error when I removed the book Have I damaged the book No The cartridge cannot be damaged by this action A cartridge error may occur if the book car...

Страница 59: ...es that mean This is an error in the book itself not in the individual cartridge If it is a book produced by NLS report the book number and any information about where the error occurred to NLS Quality Assurance Section 11 The narrator sounds like an auctioneer or a drunk How do I return it to normal Turn the player on With the particular book cartridge in the player but not playing use the Speed ...

Страница 60: ...hat is the rectangular socket on the side of the player It is a USB port intended for assistive technology devices for people with physical impairments and for playing books from a patron s own USB flash drive 20 Can I put a book on a thumb drive and use the side port Yes most USB flash drives can be used to store a book however not all USB drives will work correctly 21 Can I safely remove the car...

Страница 61: ...ok Most NLS books do not include page numbers There is no method to navigate by page on the Standard Model 3 What does Jump by phrase mean Advanced Model Jump by phrase is a jump by a small amount up to 1 minute in duration In some cases it may jump by a verse an ingredient in a recipe or an item in a list or table if the book was created with those points explicitly marked If the book does not ha...

Страница 62: ...rmat their books to play in the NLS player Contact RFB D to see if the specific book is available in a format that will play in the NLS player The player may need to be enabled to play protected RFB D books The patron can do this by inserting a cartridge containing a Key Exchange file provided by RFB D 2 Can I play MP3 files in my machine Yes the player will play MP3 AMR WB and WAV audio files cop...

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