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Hi,
There's a new notetaker coming out for blind
people. read below for more info. it runs on Linux.
Noteaker FAQ
Date: 23 February 2009 Version 1.0
Notetaker Frequently Ask Questions
Noteaker FAQ Version 1.0
23 February 2009
Compiled by:
Willem van der Walt
Gerhard van den Berg
Meraka CSIR
Table of Contents
Q1 What is the Notetaker? 4
Q2 What are the Design Criteria for the Notetaker? 4
Q3 How does this Notetaker differ form other notetakers 4
Q4 If the Notetaker uses a computer platform what operating system does it
use? 5
Q5 How fast is the Notetaker?s processor? 5
Q6 How much does the Notetaker cost? 5
Q7 How much memory does the Notetaker have? 5
Q8 How much space has the Notetaker for storing files? 6
Q9 Does the device have a media card slot? 6
Q10 Can one use a USB pen drive (memory stick) with the device? 6
Q11 How does the Notetaker work? 6
Q12 Which Communication interfaces do the Notetaker support? 6
Q13 Which Interfaces and Peripherals are supported? 7
Q14 Is there support for Braille and other keyboards? 7
Q15 Does the Notetaker provide for the partly sighted? 7
Q16 Does the Notetaker run Windows XP? 7
Q17 What Operating system does the Notetaker use? 8
Q18 What other Programs are available for the Notetaker? 8
Q19 Will it be possible to cut/paste between different applications?
10
Q20 Does the Notetaker have a Braille display 10
Q21 Which Braille displays will the device support? 10
Q22 Will grade 2 Braille be supported? 10
Q23 What about the weight? I have difficulty with carrying heavy equipment.
10
Q24 What are the chances of loosing data if the batteries run down?
10
Q25 Will the device warn you about low batteries? 10
Q26 Is there an OCR (Optical Character Recognition) program? 11
Q27 Does the device come with a modem built in? 11
Q28 Would it be easy to add extra languages in terms of speech synthesis?
11
Q29 Will the device be able to extract compressed archives like .zip files?
11
Q30 Will it be possible to move files between the device and a normal
Windows based desktop PC? 11
Q31 Why can the device read, but not write DVDs? 12
Q32 Will the device be able to read/convert PDF documents? 12
Q33 Can the device read and write Microsoft documents like Word and Excel
files? 12
Q34 Can one hear an example of the free speech synthesizers used on the
system? 13
Q35 Are there any commercial voices available that sound better? 13
Q36 Can email and diary entries by synchronized with MS Outlook type
applications? 13
Q37 Is there any indication when the Notetaker will be available? 13
Q38 Why did you not answer my question? 14
CSIR Notetaker FAQ
Introduction
This FAQ (Frequently Asked Questions) discusses the features and operation
of the Notetaker, an assistive device for the Blind developed by the Meraka
Institute
of the CSIR. Q1What is the Notetaker?
The Notetaker is really a communication and computing device for the Blind
based on a personal computer. It runs special programs to enable the Blind
to
access modern electronic media and other information sources including: Access recorded books and music,
study material and electronic documents, also access the internet, send and receive e-mails and serve as a personal organiser. It can also assist the Blind in preparing, editing and spell check letters,
documents and student assignments. The Notetaker is a device to provide
the
Blind at work, at home and in the classroom with the ability to record and play back lectures or events as well as edit, annotate and organise such recordings. Q2What are the Design Criteria for the Notetaker? The criteria is to design a device that must be small, light, cheap,
flexible, locally supported, modular in terms of hardware, run of main and
rechargeable
batteries It must also be adaptable for South African needs and affordable. Q3How does this Notetaker differ form other notetakers
Most commercially available notetakers are dedicated devices with
proprietary programs to control their operation and functions. Programs and
program updates
are only available from the manufacturer or agents. The CSIR based the Notetaker on a Personal Computer platform and free open
source software. The CSIR follows an open design and development policy,
which
allows anybody with the necessary skills to enhance existing functions or develop new functions by changing and enhancing existing, or writing new programs. The Notetaker is small and lightweight, and can operate of rechargeable
batteries and mains power and is thus very similar to a small laptop. It does
however
have features that are not available on the ordinary laptop. The idea is to provide a blind person with easy accessible communication
and computing tools to access many of the modern media and information
systems.
Q4If the Notetaker uses a computer platform what operating system does it
use?
A computer platform can do very little on its own; it requires an operating
system to communicate with a keyboard and a display as well as stored
programs
and data. Popular examples for the PC are DOS (Disk Operating System), Microsoft Windows and Unix, while the Apple computer uses the OS-X as operating system. The Notetaker uses the Debian Linux as operating system (not Microsoft
Windows) because it is much easier to interface the output of the Open Source
programs
of the Unix systems with the voice output of the Notetaker. The Debian Linux operating system and the programs that run on the Notetaker are also free. Program upgrades and enhancements are also free. This has a major impact on the purchasing and running cost of the Notetaker. Unix also perform better that Microsoft Windows on a small platform. Q5How fast is the Notetaker?s processor?
The PC platform for the Notetaker employs 600 Mega Hertz to 1Giga Hertz
CPUs.
Q6How much does the Notetaker cost?
The targeted price is 5000 to 10000 Rand (or 500 to 1000 US dollars),
depending on configuration options such as extra memory, large disk space or
special
keyboards. The Notetaker uses free Open Source programs for its operating system and
functions. In the Open Source environment most software can downloaded from
the
internet at no cost. A developer might charges a small price for the distribution of the software on disk. It is also possible that a developer might charge for a special program, but the Open Source licensing of the software promotes the free distribution of the software. The hardware is thus the main cost component of the Notetaker.
The CSIR has already developed three Notetaker prototypes. The main aim of
these prototypes was to reduce the cost, weight, size and provide enhance
battery
operation. No single hardware platform meets all criteria and features. The challenge is to find a platform where the required features, modifications or enhancements can be added with little increase in cost. The Department of Science and Technology (DST) of South Africa provides the
funds for the development of the Notetaker , which is part of the Meraka
Institute?s
National Accessibility Portal project for the disabled. Q7How much memory does the Notetaker have?
The Notetaker is normally fitted with 512 Megabyte to 2 Gigabyte of RAM
(Random Access Memory), the standard RAM used in laptop computers. This RAM is
for
running programs and is not where data is stored. Data is stored on hard disk or solid-state disk so that the data is retained when the Notetaker is switched off or the batteries run down. Q8How much space has the Notetaker for storing files?
The Notetaker use a standard notebook hard drive for program and file
storage. Notebook hard drives sizes range from 40 Giga bytes to about 200 Giga
bytes.
One can use any capacity, as long as the physical drive size remains the same. Notebook drives are used because they are low power, shock resistant and physically small. The Current Notetaker programs use about 25 Gigabytes and the Wikipedia
about 7 Gigabytes.
Q9Does the device have a media card slot?
No, but some Notetaker configurations might have it built in. Even in a
configuration without a built-in media slot, it can use an external USB media
card-reader.
Q10Can one use a USB pen drive (memory stick) with the device?
Yes, most of them will work.
Q11How does the Notetaker work?
A Blind person uses a standard QWERTY keyboard to communicate with the
Notetaker.
A user accesses the Notetaker?s features through a menu system, which are
navigated by pressing the first letter of the feature-description or the
arrow
keys to scroll until one reaches the desired menu option and then press the Enter key to use the specific feature. All output is through the speech-synthesiser in the language currently
selected.
Efforts to provide a 9-key Braille chording keyboard, as an alternative to
the QWERTY keyboard, are under way.
Q12Which Communication interfaces do the Notetaker support?
The Notetaker supports various network interfaces for communicating with
the outside world. These include a wired 10/100 UTP Ethernet interface, a
WiFi
wireless network interface (803.11 a/b & g) and Bluetooth. To reduce size and power, some Notetaker implementations might not have a WiFi or Bluetooth wireless network interface. The Notetaker can support external USB dial-up and GSM GPRS modems.
Q13Which Interfaces and Peripherals are supported?
The Notetaker has many standard Personal Computer Interfaces such as Video,
Audio, USB (Universal Serial Bus) and Network interfaces as mentioned in
12.
(Which communication interfaces do the Notetaker support) External storage devices such as hard disks and CD/DVD readers, printers,
FAX machines, document scanners and Braille displays can be supported via
the
USB interfaces. In some instances, USB to parallel port converters might be required. Q14Is there support for Braille and other keyboards?
The Notetaker uses the standard QWERTY keyboard similar to the PC 104
keyboard with a USB interface. It should be possible to use any Personal
Computer
compatible keyboard with a USB interface. The CSIR initiated the development of a 9-key Braille chording keyboard as
an alternative to the QWERTY keyboard. The idea is to have a Braille
keyboard
that will be a swap-out replacement for a standard PC 104 USB QWERTY keyboard. The plan is to support PC keyboard key sequences as well as multi-language ?contracted? Braille. Keys such as the inverted T cursor keys, numeric key-pad and the F1 to F12 function will be retained to keep the Notetaker interface as standard as possible. Q15Does the Notetaker provide for the partly sighted?
The Notetaker is optimised for the totally blind person that cannot use a
computer screen. To reduce power consumption and reduce weight a notetaker
might
not have a screen. Notetakers will normally have a video connector to attach a VGA computer
screen. A screen is handy and necessary when sighted persons use it or
assists
a blind person with the Notetaker. A screen is also handy for advanced system faultfinding (when the voice output is not working). Partly sighted persons often prefer to use ordinary computers or laptops
with large screens and vision-enhancing programs such as Zoomtext. Partly
sighted
persons can however use the Notetaker and many of the special programs to assist them. Q16Does the Notetaker run Windows XP?
The Notetaker does not run Windows XP or any other Windows operating
system. For a detailed discussion on the Notetaker?s operating system, see
question
2 (What is the design criteria for the Notetaker?) and 17 (What Operating system does the Notetaker use?)? Q17What Operating system does the Notetaker use?
Although the Notetaker runs on a PC platform, it uses Debian Unix as
operating system and not Microsoft Windows.
The Linux operating system is much better suited (than MS Windows) for the
implementation of the text and voice interfaces used by the Blind. The
Debian
Unix operating system software as well as future software upgrades are free. Q18What other Programs are available for the Notetaker?
Three programs are central to the operation of the Notetaker:
1. The Debian Linux operating system.
2. Programs that control the reading of the computer output and the voice
synthesiser programs that communicates with the blind user.
3. A menu program called ?KIES? (pounced KISS) and is the Afrikaans for
choose or select. KIES is a special program to enhance the interface between
the
Blind computer user and the Notetaker. The following are some additional features, programs and functions provided
by the Notetaker:
1. Functions that enable the user to install any console-based Unix
program, which can be configured to work well with the speakup screenreader.
There exists
many of these free and easy to install programs. 2. A personal database that is fully programmable.
This allows the creation of custom data basis fully searchable over all fields, examples include: a) Contact lists - with names, numbers, addresses, e-mail address, etc b) CD records lists - with Album name, artist, track titles etc. The database allows searching on the various columns simultaneously.
3. An e-mail program
4. A scientific calculator.
5. An English dictionary with an easy lookup facility.
6. An offline-version of wikipedia if the final Notetaker configuration has
enough storage.
7. A Web browser.
8. A customisable menu system.
9. Support for speech synthesis in local languages, currently English and
Afrikaans and possibly Zulu, with others to follow as they become available.
10. Reading of Daisy books in Daisy 2.02 format with expansion to include
Daisy 3 when the player software becomes available. The current player
supports
the synchronisation of text with audio. 11. Recording of audio in digital format hopefully at high quality, and
suitable for recording in lecture rooms etc.
12. An easy-to-use editing program for audio files, allowing deletion and
insertion of sound.
13. A function to write data and audio compact disks. Should the final
configuration not have a built-in CD-writer, this function will still be doable
using
an external USB CD-writer. 14. Reading of DVD disks, both data and commercially available films,
provided that the configuration has a DVD player.
15. Word processing.
16. Reading of various document formats.
17. Access to external USB and storage devices.
18. Uncompressing of a number of different compressed file formats E.G.
zip, bz2 etc.
19. Support for on-the-fly changing of synthesizer language.
20. Optical character recognition using the ocropus software.
Any scanner supported by the same backend can be used. Although the OCR is
not as accurate as current commercial products, it is already usable for
many
things. The database allows searching on the various columns simultaneously.
For example: When searching, you are presented with the same column headings as in the database. If you put a letter ?A? in the artist column and the word ?love? in the track title column the search will return all the entries with artists containing the letter ?A? in the name and with tracks containing the word ?love? in the track title. Since the user can effectively add features, the menu system also allows
for the addition of new menus and/or menu-entries to accommodate the newly
added
features. Support for email and web connectivity is provided through one or more of
the following communication methods:
Ethernet through a local area network or ADSL, dial up through an external
modem, or connectivity through wireless LAN. Connectivity through mobile
phones
is under consideration. Q19Will it be possible to cut/paste between different applications?
Yes is possible to cut and paste between programs that support cut and
paste.
Q20Does the Notetaker have a Braille display
The Notetaker does not have an integrated Braille display but can support
add-on Braille displays.
Q21Which Braille displays will the device support?
All displays supported by the ?Brltty? software, which will be used to
drive them. It should be possible to write drivers for a particular display if
the
required technical documentation is available. Q22Will grade 2 Braille be supported?
Theoretically, it can be supported, but no work in that regard has been
done. Apparently, some Braille printers have internal support for grade 2
translation.
In principal, there is no reason why an embosser cannot be connected to the device. Q23What about the weight? I have difficulty with carrying heavy
equipment.
The Notetakes?s weight is similar to that of a small laptop. The batteries
contribute the most to the overall weight of the Notetaker.
Q24What are the chances of loosing data if the batteries run down?
All saved information will be available once the device is recharged, as
information is stored on disk.
Q25Will the device warn you about low batteries?
Yes, we are working on battery low warnings and the automatic saving of
information before the system shuts down or operation becomes erratic due to
low
power. Q26Is there an OCR (Optical Character Recognition) program?
Yes, we have ocropus with tesseract. an open-source OCR (Optical Character
Recognition) with limited capabilities. We added supporting software to
turn
pages 180 degrees and to merge multiple pages into a single document. It is possible to buy good OCR engines for Linux and thus the Notetaker,
but the free open-source OCR program software will be distributed with the
Notetaker.
Another OCR supporting applications is an image viewer for the blind. The
idea is that e mail might arrive with and an image file attached. There
might
be text in such an image format. Such an image could be quickly OCRed and text it contains could be extracted and made available. If it was just a picture of someone's child or pet, well you will just get nothing. Q27Does the device come with a modem built in?
No, but the Notetaker supports external dial-up and GSM GPRS modems
connected to a USB port.
Q28Would it be easy to add extra languages in terms of speech
synthesis?
If it is a text-to-speech program runs for Linux it is should be possible
to add it. Adding an additional language to an existing text-to-speech
program
is usually easy. Adding a new text-to-speech program might require assistance. Q29Will the device be able to extract compressed archives like .zip
files?
Yes, bz2 and zip formats are currently supported. It might be possible to
support other compression formats such as 7zip if there is a requirement.
Q30Will it be possible to move files between the device and a normal
Windows based desktop PC?
Yes, one can use removable media such as memory sticks or write the files
to CDs.
For moving or sharing files on a regular basis, there are many options, and
we have not selected a specific one yet (integrated it into the menu
system).
One could do it through a cross-over UTP cable (Ethernet cable). Most
modern pc's have an on board Ethernet port and Ethernet cards for PCs are cheap.
This
would be the preferred method. With TCP/IPA over Ethernet as the basic communication method, there several
ways of affecting the up and download of files.
1. Through a web interface, using Internet Explorer from the side of the
Windows desktop. This would make it platform independent and is relatively
easy
to implement, given what already exist on the device. 2. By making the hard drive on the desktop sharable, the device can see it
in such a way that the desktop hard drive would look like a sub-directory
on
the device. One would then use the copy feature of the device to move around files. 3. We can make the device appear to the Windows PC as another Windows
computer with some shared drives. One would then use the Windows pc's Microsoft
Explorer
to move/copy files. The last two methods can get tricky to set up due to security
considerations on both sides, but once set up, it works well. There are other
ways too, not
using Ethernet. One would have to decide if a combination of the above methods or just one
or the other should be used. Note that this is the kind of option that can
be
changed if a particular choice has problems. Q31Why can the device read, but not write DVDs?
Replacing the DVD-reader/CD-writer slim-line drive with one that can also
write DVDs will allow for DVD writing.
Some software would have to be configured separately as well. The slim-line
DVD writers are still a little expensive and we are trying to keep costs
down.
Q32Will the device be able to read/convert PDF documents?
Yes, except if it is a .pdf where the text is in image format only. Where
the .pdf file contains text or text and images the text in the .pdf file can
be
converted to voice output. Q33Can the device read and write Microsoft documents like Word and Excel
files?
The Notetaker can read them, and through conversion write in the MS Word
and Excel formats. There are however problems with complex Microsoft
documents
and there might be issues with writing some files. Rather than spending too much time on this now, we are waiting for all the various players to streamline conversion to and from Open Document Format (ODF) which would solve a lot of problems. A comment regarding spreadsheets: The calculator has a feature called a
matrix which we want to explore further as we believe one could make a tool
which
works more effectively with speech and with which one can do typical spreadsheet-like tasks. Q34Can one hear an example of the free speech synthesizers used on the
system?
There are now two versions of the same example, a .wav and a .mp3 which
contain an example of both the English and Afrikaans of Espeak.
The mp3 might sound a little crackly, so we offer the .wav as well.
Find it at:
Q35Are there any commercial voices available that sound better?
Yes, IBM Viavoice is available. Currently there are problems buying the
Linux version, but we got pricing a while back. It was $40 for a single
license
and $5 each if we can get 300 people to buy. We are trying to find out about Realspeak, a high quality voice. If anyone has contact info, let us know. The Software Dectalk is also available, but we think the Viavoice and Realspeak are better. Another commercial voice is the Cepstral voice set. We will distribute the software for the device with only free, open-source
voices, but will help to get the others activated, if someone wants to buy
and
use any of the ones listed above. Q36Can email and diary entries by synchronized with MS Outlook type
applications?
Not in the current version.
Q37Is there any indication when the Notetaker will be available?
The KISS menu software for the Notetaker is already available for download
and install on Debian Unix processors.
For the KIES README see:
ftp://linux-speakup.org/pub/linux/goodies/kies.README For the KIES tar file see: ftp://linux-speakup.org/pub/linux/goodies/kiesfile.tar.bz2 or: ftp://ftp.csir.co.za/mi/national_accessibility_portal/wvdwalt/kies-15649.tar.bz2 The development of local South African Languages for the Notetaker depends
on finding a committed person or persons with the correct language
knowledge
and some computer skills. The hardware poses the greater challenge. After we have found the most
suitable hardware and identified the changes required, we have to find a
manufacturer
willing to make some modification and repackage the Notetaker in the optimal format for the Blind. We hope to have a Notetaker available for purchase by the beginning of
2010.
Q38Why did you not answer my question?
If we missed answering a question, it is not intentional. Please just drop
us a line and we will try to answer.
Willem van der Walt
e-mail: wvdwalt csir co za
End of document
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