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Khmer keyboard

Part of a series on the
Khmer language
Aspects
Dialects
Stages


The Khmer keyboard (Khmer: ក្តារចុចជាភាសាខ្មែរ) includes several keyboard layouts for Khmer script.

History

First Khmer keyboards in the wake of Independence

Keyboard layout of the Cambodian-Keyboard Typewriter produced by Adler around 1955.

Khmer nationalist Ieu Koeus designed a prototype typewriter keyboard for the Khmer script and published the two volume Pheasa Khmer book on the Cambodian language in 1947.[1] While it has been interpreted as symbolic of postcolonial nationalisms consigned to "derivate status [...] at the level of both language and print",[2] adapting the typewriter was also a powerful way to a affirm Khmer culture as a weapon for independence rather than the machine guns which were being used by the Issarak.

Soon after, Keng Vannsak was the inventor of a commercial Khmer-script keyboard for typewriters and later computers in 1952.[3]

Industrial production of this typewriter began in 1955 in the Adler factories of West Germany while another similar machine was produced at the same time by Remington in the United States of America. The layout for the more than 120 elements of Cambodian script and punctuation marks was a very difficult task because of the limitation to 46 keys and 96 positions of the standard typewriter.[4]

Backlog of the Khmer keyboards after the Cambodian Civil War

In the 1980s, computer scientists and linguists outside of Cambodia began working on a new input system for the Khmer language, using the Qwerty keyboard which was taken advantage of for the comparable phonetic frequencies between Khmer and English.[5]

Difficulties had to be overcome, especially the feet used for counsouns and phonetic clusters in Khmer script. While the related Thai script writes these clusters in line, the Khmer writing system puts a second member of a consonant cluster and the initial consonant adding extra difficulty for coding.[6]

After the fall of communism, very few of the data entry clerks had ever typed in Khmer before. A specially designed UNTAC Khmer keyboard was designed but remained used by very few only.[7]

Genesis of the Khmer Unicode

Layout of a Khmer keyboard known as "win", one of the many legacy keyboard in circulation before 2010.

In 1997, Michael Everson wrote a first proposal for encoding the Khmer script in ISO 10646.[8] In the process, it appears that tensions arose as to the proper share of responsibilities between national and international parties, the Cambodian government wanting to take international ownership of all aspects of Khmer in Unicode.[9]

In 2000, an official Committee for the Standardization of Khmer Characters for Computers was set up by the Cambodian government along with the National ICT Development Authority (NiDA) and the Government Administrative Information System (GAIS).[10] A Khmer keyboard was finally developed mainly due to the demand from printing "Unfortunately, working with Khmer Unicode fonts is still houses for experienced technicians."[11] Before mentioning technical difficulties, the Cambodian official objection expressed its frustration in front of a development process which was mostly foreign whereas the Cambodian keyboard since its inception had been a nevralgic point of Khmer patriotic identity:

No appropriate official Cambodian representative participated in any of the discussions leading to the adoption of the current code table by ISO/IEC, and this code table has never been officially endorsed within Cambodia.[12]

Mark Davis lamented that:

ISO and Unicode have been working together on the standard for about 10 years, and there has been opportunity for the Cambodian government or individuals to be involved in the process. But we can understand that due to circumstances beyond their control, the Cambodian government may not have been in a position to be involved during this time, and that they may be unhappy with the situation. What we have to do is to sit down and discuss how features of the Cambodian language that can be accommodated by appropriate additions to the Unicode standard.

— Mark Davis[13]
Khmer Unicode NiDA layout.

The Government Administrative Information System project led to the modification and adoption of the Khmer standard Unicode and update of the Khmer keyboard.[14] In 2001, Danh Hong, a webmaster and graphic designer from the area of Vietnam known as Kampuchea Krom, programmed Khmer Unicode.[15] Difficulty to teach this new keyboard layout came from the fact that few hardware Khmer keyboards were produced; instead stickers were added to Roman character keyboards or sometimes a paper model of Khmer character keyboard was taped nearby.[16] However, by 2010, another foreign observer considered that Khmer script was "widely used and adopted by modern technology" in Cambodia.[17]

Khmer keyboards on smartphones since 2012

Khmer digital keyboard were first introduced to Cambodia by Nokia as a part of the Microsoft Windows 10 Mobile operating system.

In 2012, Nokia developed a Khmer Unicode with a unique Khmer-language keyboard adapted to smartphones called KhmerMeego.[18] In 2015, as romanization of the Khmer language was becoming more and more widespread in Cambodia, a smartphone application was developed using a “swipe” function to give users access to all of the Khmer alphabets.[19] This was made possible through technical innovation with touchscreens providing an opportunity for more adaptive Khmer typing[20] as well as the financial support of telecom company Cellcard which launched a crowdfunding drive to finance the project.

Description

The Nida Unicode Khmer keyboard is currently the most widely used in Cambodia

Types

Khmer-input keyboards

Legacy fonts

Pre-Unicode computerized Khmer scripts - known collectively as "legacy" fonts - required the typist to press a complex series of shortcut keystrokes to create a single Khmer character. Legacy fonts added up to more than 30 different ways of encoding the font for Khmer script.[21]

Khmer Unicode block

Main article: Khmer (Unicode block)

The Khmer Unicode block contains characters for writing the Khmer (Cambodian) language. The basic Khmer block was added to the Unicode Standard in version 3.0, released in September 1999. It then contained 103 defined code points; this was extended to 114 in version 4.0, released in April 2003. Version 4.0 also introduced an additional block, called Khmer Symbols, containing 32 signs used for writing lunar dates. Unicode demonstrations prove the speed at which Khmer can be typed is increased "dramatically" compared to legacy fonts.[21]

Khmerism keyboard

In 2016, a new Cambodia keyboard by Ly Heang was developed and is known as Khmerism Keyboard. Its aim to preserve the Khmer language online and in digital form by redesigning and rearranging the Khmer keyboard, making it easier to type in Khmer. Rather than use the Qwerty keyboards, it is based on a study of the frequency of Khmer letters in Khmer language and results in a totally different set up of the Khmer keyboard, in order to reduce the use of the shift key which is very frequent in the Khmer Unicode keyboard.[22]

Romanized keyboards: KhmerLang

Main article: Romanization of Khmer

The KhmerLang keyboard has a keyboard designed for speed typing with a new design. The keyboard layout supports Roman to Khmer script input with automatic word division using deep learning.[23]

References

  1. ^ Anderson, Benedict (2006-11-17). Imagined Communities: Reflections on the Origin and Spread of Nationalism. Verso. p. 133. ISBN 978-1-84467-086-4.
  2. ^ Howsam, Leslie; Lougran, Trish (2015). "Books in the nation". The Cambridge Companion to the History of the Book. Cambridge University Press. p. 47. ISBN 978-1-107-02373-4.
  3. ^ Peycam, Philippe (2020-09-07). Cultural Renewal in Cambodia: Academic Activism in the Neoliberal Era. BRILL. p. 35. ISBN 978-90-04-43735-7.
  4. ^ Tonkin, Derek (1962). Modern Cambodian writing. Culture et civilisation khmeres ; no. 5. S.l.: Universite Buddhique Preah Sihanouk Raj.
  5. ^ Judkins, Russell A. (1988). First International Scholars Conference on Cambodia: Selected Papers. Anthropology Department, State University of New York at Geneseo. p. 67. ISBN 978-0-9617915-1-3.
  6. ^ Sustainable Development for Peace: New Dimensions of Friendly Cooperation in the Upper Greater Mekong Sub-region. Chiangrai Rajabhat University. 2007. p. 249. ISBN 978-974-9972-88-5.
  7. ^ Riddle, Tom (1997). Cambodian Interlude: Inside the United Nations' 1993 Election. Orchid Press. p. 55. ISBN 978-974-8299-36-5.
  8. ^ Everson, Michael (1997-01-22). "Proposal for encoding Khmer in ISO 10646". Evertype.com. Retrieved 2022-06-21.
  9. ^ Cambodia Telecom Laws and Regulations Handbook - Strategic Information and Regulations. Lulu.com. 2017-11-27. p. 64. ISBN 978-1-4330-8157-6.
  10. ^ Chheang, Vannarith (2016-02-24). "Cambodia Embarks on E-Government". Khmer Times. Retrieved 2022-06-21.
  11. ^ Jarvis, Helen; Lalonde, Christiane; Lakhena, Nhean (2006). Publishing in Cambodia. Center for Khmer Studies, Pub. Department. ISBN 978-99950-51-04-4.
  12. ^ Committee for Standardization of Khmer Characters in Computers (2001-10-08). "Cambodian official objection to the existing Khmer block in UCS" (PDF). Unicode. Retrieved 2022-06-21.
  13. ^ Davis, Mark (2002-02-08). "L2/02-073 (Cambodian)". Unicode. Retrieved 2022-06-21.
  14. ^ Cambodia Telecom Laws and Regulations Handbook - Strategic Information and Regulations. Lulu.com. 2017-11-27. ISBN 978-1-4330-8157-6.
  15. ^ Little, Harriet Fitch (2015-05-29). "Youth reviving the art of Khmer calligraphy in digital age". Phnom Penh Post. Retrieved 2022-06-21.
  16. ^ Richardson, Jayson W. (2007). The Adoption of Technology Training by Teacher Trainers in Cambodia: A Study of the Diffusion of an ICT Innovation. University of Minnesota. p. 106.
  17. ^ North, Peter (2008-09-15). CultureShock! Cambodia: A Survival Guide to Customs and Etiquette. Marshall Cavendish International Asia Pte Ltd. p. 179. ISBN 978-981-4408-91-2.
  18. ^ Sok, Samphoasphalyka (2012-04-25). "What's new with the N9?". Phnom Penh Post. Retrieved 2022-06-21.
  19. ^ Wright, Louisa (2015-01-01). "App makes typing in Khmer easier, faster". Phnom Penh Post. Retrieved 2022-06-21.
  20. ^ Oum, Vantharith (2015-07-04). "My Phnom Penh: Tech evangelist". Phnom Penh Post. Retrieved 2022-06-21.
  21. ^ a b Barton, Cat (2007-02-23). "Writing a new chapter in technology". Phnom Penh Post. Retrieved 2022-06-21.
  22. ^ "The Khmerism Keyboard – Interview with Lyheng Phuoy". Geeks in Cambodia. 2016-10-25. Retrieved 2022-06-21.
  23. ^ "ក្តារចុចភាសាខ្មែរ - ភាសាខ្មែរ(KhmerLang)". KhmerLang (Official website) (in Khmer). Retrieved 2022-06-21.
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