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The d-Ear Input Method Editor (d-Ear IME) API adopts a high performance Chinese Language Modeling (CLM) developed by d-Ear Technologies. In this kind of language model, the context-dependent Chinese word concurrence probabilities are sufficiently considered, which enables the user to input any Chinese whole sentence more quickly, more accurately, and more easily when inputting Chinese characters via Pinyin, digit, stroke or handwriting without suffering from a boring selecting procedure among a list of Chinese character candidates character by character. The CLM is not merely word based; as a matter of fact, the user does not need to consider the boundaries among words, phrases or sentences. For the Pinyin and Digit based input, the d-Ear IME supports the fuzzy Pinyin options, including z-zh, c-ch, s-sh, n-ng, and etc. The d-Ear IME also supports rapid adaptation. With the user uses the input method editor more and more, the editor becomes more familiar with the user. The d-Ear IME enables the user to select among sentence candidates, as well as individual character candidates in case the person names and/or places names are to be inputted. Here is an example:

____Pinyin input: _womendezhongxinshijingji
____Result candidates:
____1. 我们的中心是经济
____2. 我们的重心是经济
____3. 我们的中心是竞技
____4. …

The user can select the correct/desired choice among this candidate list. When a person name or a place name is being inputted, the completely correct sentence may not be found in the sentence candidate list, the d-Ear IME enables the user to choose each individual character, and then this new word will be remembered in the system.

The d-Ear IME SDK provides several configurations, the developer can choose among them according to the application. The configurations are:

(1) Model size: smaller than 340MB (decoding speed is 16~32 Chinese characters per second, accuracy >99%); or smaller than 1MB (decoding speed is over 300 Chinese characters, accuracy >95%).
(2) Input method: continuous pinyin flow without tone and space, digit flow with a space between every two characters, stroke flow (two or four strokes each character), or handwriting.

For the time being, the d-Ear IME has versions for Microsoft Windows, Palm OS (for Palm), and Symbian OS (for Nokia 9210i).

Application example: the d-Ear Pinyin IME Product

Used to input Chinese characters via pinyin, and can be applied to personal computers, notebook computers, personal digit assistant (PDA) and so on. The input interface is keyboard or soft keyboard.
____Example:
____Input: ____shuijiaonishuijiaoshichishuijiao
____Output:___ 谁叫你睡觉时吃水饺
____Input: ____zhengzeyuanxiaopengyoucanjialeyanchu
____Output: ___正泽园小朋友参加了演出(change "正泽园" into "郑泽原")
____Input:____ zhengzeyuanxiaopengyoucanjialeyanchu
____Output:___ 郑泽原小朋友参加了演出
Examples when the fuzzy pinyin input option is checked:
____Input: ____zisijiushililiang
____Output:___ 知识就是力量

Application example: the d-Ear Digit IME Product

It is a big problem to input Chinese characters in mobile phones. There are several encoding schemes, for example, the stroke encoding scheme, and the pinyin encoding scheme. In the mobile phone keypad, each digit corresponds to three or four letters, as follows:

For instant if we want to input "中" whose pinyin is "zhong", the normal input digit sequence is: 9999(z) 44(h) 666(o) 66(n) 4(g), afterwards we need to choose from a list of Chinese characters with the same pinyin (pronunciation). The T9 input method makes it simpler to input a letter by pressing the corresponding digit only once, therefore it only needs to press "9(z) 4(h) 6(o) 6(n) 4(g)", i.e., 94664, for the above pinyin. However, the d-Ear Digit IME can be used to input Chinese characters in a full-sentence manner without choosing from a list of character candidates one by one.

____For example:
____Input: 94 9264 96 636 226 244 43 986 486 226 4826 94
____Output: 1. 希望我们保持合作伙伴关系
__________2. 以往我们保持合作伙伴关系
__________3. …

Application Example: the d-Ear Pen Product

When using the d-Ear Pen to input a Chinese sentence or phrase, each character needs only the first fewer strokes (normally first 4 strokes are enough). There is no need to choose from a candidate list one by one. For example, we have 5 basic strokes which are standard, "＼ ─ │ ／┐", which can be mapped to 5 digit keys on the keypad of mobile phones. When we need to input "欢迎参观清华大学", we need only continuously press "┐＼／┐， ／┐┐│， ┐＼─／， ┐＼│┐， ＼＼─ ─， ／│／┐， ─／＼， ＼＼／＼", where it needs at most 4 strokes to input a Chinese character. The testing results under different configurations are given below, where there are about 50K common used Chinese words.

The d-Ear Pen Product can be used to input Chinese characters in mobile phones (5 digits correspond to 5 strokes), desktop computers (keyboard, TouchPad, or handwriting board), PDA (TouchScreen, or soft keyboard) or any other such devices.

Position: Tech&Products/d-Ear IME