A reduced keyboard disambiguating system (50) having a keyboard (54) with a reduced number of keys. A plurality of letters and symbols are assigned to a set of data keys (56) so that keystrokes entered by a user are ambiguous. Due to the ambiguity in each keystroke, an entered keystroke sequence could match a number of words with the same number of letters. The disambiguating system includes a memory (104) having a number of vocabulary modules (110). The vocabulary modules contain a library of objects that are each associated with a keystroke sequence. Each object is also associated with a frequency of use. Objects within the vocabulary modules that match the entered keystroke sequence are identified by the disambiguating system. Objects associated with a keystroke sequence that match the entered keystroke sequence are displayed to the user in a selection list (76). The objects are listed in the selection list according to their frequency of use. An unambiguous select key (60) is pressed by a user to delimit the end of a keystroke sequence. The first entry in the selection list is automatically selected by the disambiguating system as the default interpretation of the ambiguous keystroke sequence. The user accepts the selected interpretation by starting to enter another ambiguous keystroke sequence. Alternatively, the user may press the select key a number of times to select other entries in the selection list. For words that are not in the vocabulary modules, a two-stroke or multiple-stroke method are used to unambiguously specify each letter. The disambiguating system simultaneously interprets all entered keystroke sequences as a word, as a two-stroke sequence, and as a multiple-stroke sequence. The multiple interpretations are automatically and simultaneously provided to the user in the selection list.

Reduced keyboard disambiguating system

An enhanced text entry system using word-level analysis to automatically correct inaccuracies in user keystroke entries on reduced keyboards. The keyboard (105) may be a part of a touch-sensitive panel or display screen (100) or on a mechanical keyboard system. A method and system are defined which determine one or more alternative textual interpretations of each sequence of inputs detected within a designated auto-correcting keyboard region (106). The actual contact locations for the keystrokes may occur outside the boundaries of the specific keyboard key regions, where the distance from each contact location to each corresponding intended character may in general increase with the expected frequency of the intended word in the language or in a particular context. The user can easily select the intended word from among the generated interpretations.

Keyboard system with automatic correction

An operating sequence for a handheld computing device manages the device to automatically detect cues describing the device's environmental and user actions performed with the device, learn which cues and cue combinations are relevant to predict user actions, and then in response to occurrence of the relevant cues, predictively implementing the appropriate user action or configuring the device in anticipation of user action.

Contextual prediction of user words and user actions

There is disclosed an enhanced text entry system which uses word-level analysis to correct inaccuracies automatically in user keystroke entries on reduced-size or virtual keyboards. A method and system are defined which determine one or more alternate textual interpretations of each sequence of inputs detected within a designated auto-correcting region. The actual interaction locations for the keystrokes may occur outside the boundaries of the specific keyboard key regions associated with the actual characters of the word interpretations proposed or offered for selection, where the distance from each interaction location to each corresponding intended character may in general increase with the expected frequency of the intended word in the language or in a particular context. Likewise, in a virtual keyboard system, the keys actuated may differ from the keys actually associated with the letters of the word interpretations. Each such sequence corresponds to a complete word, and the user can easily select the intended word from among the generated interpretations. Additionally, when the system cannot identify a sufficient number of likely word interpretation candidates of the same length as the input sequence, candidates are identified whose initial letters correspond to a likely interpretation of the input sequence.

Virtual keyboard system with automatic correction

Embodiments described herein provide a method and technique for operating a computing device. An interface is displayed for enabling the computing device to control a voicemail system. The interface includes one or more display objects, wherein each display object is selectable by a user to enter a command input assigned to that display object. A selection is detected of any one of the one or more display objects, and the command input assigned to the display object is identified. A signal tone is generated corresponding to the command input. The signal input may be transmitted across a network to the voicemail system to communicate a command to the voicemail system.

Method and apparatus for accessing a contacts database and telephone services

A data entry apparatus (10) receives a first character key from a keypad (12). A set of characters associated with the first character key is displayed. A second character key from the keypad (12) is received, wherein a second set of characters is associated with the second character key. A character from the first set of characters is combined with a character from the second set of characters. A set of alternative n-grams is displayed, derived from the step of combining, in descending order based on a probability of frequency of use in a given language. When an alternative n-gram is detected as being actively highlighted, the n-gram is locked to create a locked n-gram and characters associated with subsequent character keys vary in their combinations with respect to the locked n-gram.

Data entry apparatus having a limited number of character keys and method

A method of text entry into a device by activating keys of a keypad (16), where a key represents various characters. Input is delivered to a processor (30) corresponding to the keys activated. A dictionary (33) is searched for candidate combinations of characters corresponding to the keys activated. The candidate combinations are rank ordered, for example using language model data and feedback (14, 38) is provided to a user indicating at least a highest rank ordered candidate combination.

Method and device for input of text messages from a keypad

A microprocessor 11 receives an ambiguous input from a key 2-9 and disambiguates the ambiguous input using a dictionary. The dictionary is stored in an efficient manner by being partitioned according to the first three letters of a word. A sequence of three letters in the dictionary is stored as eight bits of data, the first three letters of a word being stored using three pairs of bits, such that each pair of bits represents one of no more than four alternative letters.

Disambiguation method and apparatus, and dictionary data compression techniques

In a speech recognition system, the combination of a log-linear model with a multitude of speech features is provided to recognize unknown speech utterances. The speech recognition system models the posterior probability of linguistic units relevant to speech recognition using a log-linear model. The posterior model captures the probability of the linguistic unit given the observed speech features and the parameters of the posterior model. The posterior model may be determined using the probability of the word sequence hypotheses given a multitude of speech features. Log-linear models are used with features derived from sparse or incomplete data. The speech features that are utilized may include asynchronous, overlapping, and statistically non-independent speech features. Not all features used in training need to appear in testing/recognition.

Speech recognition utilizing multitude of speech features

A structure and method for entering data into an electronic device ( 110 ). A deterministic data input element ( 130 ) coupled to the electronic device ( 110 ) is operable to accept a user-selected data input. Modulation of a motion of a non-deterministic data input element ( 140 ) coupled to the electronic device ( 11 ) is operable to select a varying precision of data input choices. A feedback element ( 120 ) coupled to one or more of the deterministic data input element ( 130 ) and the non-deterministic data input element ( 140 ) presents the data input choices to the user. The user enters data into electronic device ( 110 ) using one of the deterministic input element ( 130 ) and the non-deterministic input element ( 140 ) and the feedback element ( 120 ) displays a sequence of data choices to the user. The user then navigates a tree of possible data completions in order to select a particular data completion to be entered into the electronic device ( 110 ).

Sreeram Balakrishnan

Papers

Data entry apparatus having a limited number of character keys and method

Method and device for input of text messages from a keypad

Disambiguation method and apparatus, and dictionary data compression techniques

Speech recognition utilizing multitude of speech features

Structure and method for combining deterministic and non-deterministic user interaction data input models