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Kirshenbaum , sometimes called ASCII-IPA or erkIPA, is a system used to represent the
International Phonetic Alphabet The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic notation based primarily on the Latin script. It was devised by the International Phonetic Association in the late 19th century as a standard written representation ...
(IPA) in
ASCII ASCII ( ), an acronym for American Standard Code for Information Interchange, is a character encoding standard for representing a particular set of 95 (English language focused) printable character, printable and 33 control character, control c ...
. This way it allows typewriting IPA-symbols by regular keyboard. It was developed for
Usenet Usenet (), a portmanteau of User's Network, is a worldwide distributed discussion system available on computers. It was developed from the general-purpose UUCP, Unix-to-Unix Copy (UUCP) dial-up network architecture. Tom Truscott and Jim Elli ...
, notably the newsgroups sci.lang and alt.usage.english. It is named after Evan Kirshenbaum, who led the collaboration that created it. The eSpeak
open source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use and view the source code, design documents, or content of the product. The open source model is a decentrali ...
software speech synthesizer uses the Kirshenbaum scheme.


Comparison of Kirshenbaum with X-SAMPA

The system uses almost all lower-case letters to represent the directly corresponding IPA character, but unlike
X-SAMPA The Extended Speech Assessment Methods Phonetic Alphabet (X-SAMPA) is a variant of SAMPA developed in 1995 by John C. Wells, professor of phonetics at University College London. It is designed to unify the individual language SAMPA alphabets, and ...
, has the notable exception of the letter 'r'. A non-comprehensive list of sounds where the two systems use different characters: {, class=wikitable ! Sound !! IPA !! X-SAMPA !! Kirshenbaum , - ,
alveolar trill The voiced alveolar trill is a type of consonantal sound used in some spoken languages. The symbol in the International Phonetic Alphabet that represents dental consonant, dental, alveolar consonant, alveolar, and postalveolar consonant, postalve ...
, , , , r , , r<trl> , - ,
alveolar approximant The voiced alveolar and postalveolar approximants are types of consonantal sounds used in some spoken languages. The symbol in the International Phonetic Alphabet that represents the alveolar and postalveolar approximants is , a lowercase lett ...
, , , , r\ , , r , - ,
near-open front unrounded vowel The near-open front unrounded vowel, or near-low front unrounded vowel, is a type of vowel sound. The symbol in the International Phonetic Alphabet that represents this sound is , a lowercase of the ligature. Both the symbol and the sound ar ...
, , , , { , , & , - ,
open back rounded vowel The open back rounded vowel, or low back rounded vowel, is a type of vowel sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is . It is called Latin turned alpha being a rotated v ...
, , , , Q , , A. , - ,
open-mid central unrounded vowel The open-mid central unrounded vowel, or low-mid central unrounded vowel, is a type of vowel sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is (formerly ). The IPA symbol is n ...
, , , , 3 , , V" , - ,
primary stress In linguistics, and particularly phonology, stress or accent is the relative emphasis or prominence given to a certain syllable in a word or to a certain word in a phrase or sentence. That emphasis is typically caused by such properties as i ...
, , , , " , , ' , - , secondary stress , , , , % , , ,


Kirshenbaum charts of consonants and vowels

''This chart is based on information provided in the Kirshenbaum specification. It may also be helpful to compare it to the SAMPA chart or X-SAMPA chart.''


Consonant chart

{, class="wikitable" style="text-align: center" , + Kirshenbaum chart of
consonant In articulatory phonetics, a consonant is a speech sound that is articulated with complete or partial closure of the vocal tract, except for the h sound, which is pronounced without any stricture in the vocal tract. Examples are and pronou ...
s (the paired signs are voiceless/voiced consonants) , - style="vertical-align: center; font-size: x-small; height: 2em" , rowspan=2 style="font-size: 90%;" ,
Place of articulation In articulatory phonetics, the place of articulation (also point of articulation) of a consonant is an approximate location along the vocal tract where its production occurs. It is a point where a constriction is made between an active and a pa ...
→ ! colspan=2 , Labial ! colspan=4 , Coronal ! colspan=4 ,
Dorsal Dorsal (from Latin ''dorsum'' ‘back’) may refer to: * Dorsal (anatomy), an anatomical term of location referring to the back or upper side of an organism or parts of an organism * Dorsal, positioned on top of an aircraft's fuselage The fus ...
! colspan=2 , Laryngeal ! colspan=1 rowspan=3 style="width: 4em;" , Alveolar laterals , - style="vertical-align: center; font-size: x-small; height: 3em" ! rowspan=2 style="width: 4em;" , Bilabial ! rowspan=2 style="width: 4em;" , Labio‐
dental
! rowspan=2 style="width: 4em;" , Dental ! rowspan=2 style="width: 4em;" , Alveolar ! rowspan=2 style="width: 4em;" , Retro‐
flex
! rowspan=2 style="width: 4em;" , Palato‐
alveolar
! rowspan=2 style="width: 4em;" , Palatal ! rowspan=2 style="width: 4em;" , Velar ! rowspan=2 style="width: 4em;" , Uvular ! rowspan=2 style="width: 4em;" , Labio‐
velar
! rowspan=2 style="width: 4em;" , Pharyn‐
geal
! colspan=1 rowspan=2 style="width: 4em;" , Glottal , - style="vertical-align: center; font-size: x-small; height: 3em" , style="font-size: 90%;" ,
Manner of articulation articulatory phonetics, the manner of articulation is the configuration and interaction of the articulators ( speech organs such as the tongue, lips, and palate) when making a speech sound. One parameter of manner is ''stricture,'' that is, h ...
↓ , - !style="font-size:x-small;text-align:center", Nasals , m , M , n n , n. , , n^ , N , n" , n<lbv> , , , , - !style="font-size:x-small;text-align:center", Stop consonant, Stops , p b , , t[ d[ , t d , t. d. , , c J , k g , q G , t<lbv> d<lbv> , , ? , , - !style="font-size:x-small;text-align:center", Fricative consonant, Fricatives , P B , f v , T D , s z , s. z. , S Z , C C<vcd> , x Q , X g" , w<vls> w , H H<vcd> , h , s z , - !style="font-size:x-small;text-align:center",
Approximants Approximants are speech sounds that involve the articulators approaching each other but not narrowly enough nor with enough articulatory precision to create turbulent airflow. Therefore, approximants fall between fricatives, which do produ ...
, , r<lbd> , r[ , r , r. , , j , j<vel> , g" , w , , h , , - !style="font-size:x-small;text-align:center", Lateral consonant, Laterals , , , l[ , l , l. , , l^ , L , , , , , - !style="font-size:x-small;text-align:center", Trill consonant, Trills , b<trl> , , , r<trl> , , , , , r" , , , , , - !style="font-size:x-small;text-align:center", Flaps , , , ,   * ,   *. , , , , , , , , *<lat> , - !style="font-size:x-small;text-align:center", Ejectives , p` , , t t` , , , c` , k` , q` , , , , , - !style="font-size:x-small;text-align:center", Implosive consonant, Implosives , b` , , d` , d` , , , J` , g` , G` , , , , , - !style="font-size:x-small;text-align:center", Click consonant, Clicks , p! , , t! , c!Kirshenbaum assigned to IPA , which it used indifferently for both alveolar and palatal clicks. , , , c! , k! , , , , , l! The IPA consonant chart, for comparison, uses many symbols that are less widely supported:


Vowel chart

{, class="wikitable" style="text-align:center;" , - , colspan=5 , Kirshenbaum simplified chart of
vowel A vowel is a speech sound pronounced without any stricture in the vocal tract, forming the nucleus of a syllable. Vowels are one of the two principal classes of speech sounds, the other being the consonant. Vowels vary in quality, in loudness a ...
s
''(the paired signs are unrounded/rounded vowels; symbols in parentheses designate vowels that exist in some
oral language A spoken language is a form of communication produced through articulate sounds or, in some cases, through manual gestures, as opposed to written language. Oral or vocal languages are those produced using the vocal tract, whereas sign languages are ...
s, but do not have IPA signs)'' , - ! ! width=20% , Front ! width=20% , Central ! width=20% ,
Back The human back, also called the dorsum (: dorsa), is the large posterior area of the human body, rising from the top of the buttocks to the back of the neck. It is the surface of the body opposite from the chest and the abdomen. The vertebral c ...
! width=20% , Rhotic , - , Close , i y , i" u" , u- u , , - , Near-close , I I. , , (U-) U , , - , Close-mid , e Y , @<umd> @. , o- o , R<umd> , - , Mid , , @ , , R , - , Open-mid , E W , V" O" , V O , , - , Near-open , & , &" , ''(no symbols)'' , , - ,
Open Open or OPEN may refer to: Music * Open (band), Australian pop/rock band * The Open (band), English indie rock band * ''Open'' (Blues Image album), 1969 * ''Open'' (Gerd Dudek, Buschi Niebergall, and Edward Vesala album), 1979 * ''Open'' (Go ...
, a a. , (a" A".) , A A. , The IPA vowel chart, by comparison, uses many symbols that are less widely supported:


Vowel modifiers and diacritics

Modifiers and diacritics follow the symbol they modify. {, class="wikitable" style="text-align:center;" , - ! Modifier/diacritic ! Meaning , - , ~ , Nasalized , - , : ,
Long Long may refer to: Measurement * Long, characteristic of something of great duration * Long, characteristic of something of great length * Longitude (abbreviation: long.), a geographic coordinate * Longa (music), note value in early music mens ...
, - , - , Unrounded , - , . , Rounded , - , " , Centralized , - , <?> ,
Murmured Breathy voice (also called murmured voice, whispery voice, soughing and susurration) is a phonation in which the vocal folds vibrate, as they do in normal (modal) voicing, but are adjusted to let more air escape which produces a sighing-like s ...
, - , <r> , Rhoticized Stress is indicated by ' for primary stress, and , for secondary stress, placed before the stressed syllable.


Background

The Kirshenbaum system started developing in August 1992 through a
usenet Usenet (), a portmanteau of User's Network, is a worldwide distributed discussion system available on computers. It was developed from the general-purpose UUCP, Unix-to-Unix Copy (UUCP) dial-up network architecture. Tom Truscott and Jim Elli ...
group, after "being fed up with describing the sound of words by using other words". It should be usable for both phonemic and narrow phonetic transcription. * It should be possible to represent all symbols and diacritics in the IPA. * The previous guideline notwithstanding, it is expected that (as in the past) most use will be in transcribing English, so where tradeoffs are necessary, decisions should be made in favor of ease of representation of phonemes which are common in English. * The representation should be readable. * It should be possible to mechanically translate from the representation to a character set which includes IPA. The reverse would also be nice. The developers decided to use the existing IPA alphabet, mapping each ''segment'' to a single keyboard character, and adding extra ASCII characters optionally for IPA ''diacritics''. An early (1993), different set in ASCII was derived from the pronunciation guide in Merriam-Webster's New Collegiate Dictionary, which uses straight letters to describe the sound. Kirshenbaum's document, ''Representing IPA phonetics in ASCII'', is commonly used as an example of an "IPA ASCII" system. The eSpeak software speech synthesizer uses the Kirshenbaum scheme to represent
phonemes A phoneme () is any set of similar speech sounds that are perceptually regarded by the speakers of a language as a single basic sound—a smallest possible phonetic unit—that helps distinguish one word from another. All languages con ...
with ascii characters.


Encoding

IETF language tag An IETF BCP 47 language tag is a standardized code that is used to identify human languages on the Internet. The tag structure has been standardized by the Internet Engineering Task Force (IETF) in ''Best Current Practice (BCP) 47''; the subtags ...
s have registered as a variant subtag identifying text as transcribed in this convention.


Notes and references


Notes


References


External links


Kirshenbaum specification
(
PDF Portable document format (PDF), standardized as ISO 32000, is a file format developed by Adobe Inc., Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, computer hardware, ...
file)
Tutorial and guide with sound samples


{{IPA navigation Phonetic alphabets ASCII International Phonetic Alphabet