Facilitation of speech recognition in user interface
First Claim
1. A user-interface method in which items are represented to a user with respective perceivable range values, the items having respective associated labels by which they can be addressed, the method involving:
- (a) addressing an item by speaking its label at a loudness indicative of its perceived range;
(b) assessing the loudness at which the label was spoken and determining from this assessment a range gate expected to encompass the range value of the addressed item;
(c) using a speech recogniser to recognise the spoken label and thus the addressed item, the label search space of the recogniser being restricted to exclude the labels of items having a range value outside of the determined ranch gate.
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Accused Products
Abstract
Items are represented to a user through a user interface with each item having a respective perceivable range value and associated label by which the item can be addressed. To address a particular item, the user speaks its label at a loudness indicative of its perceived range. A loudness-to-range function of the interface determines on the basis of the loudness of the user input, a range gate expected to encompass the range value of the addressed item. A speech recogniser is used to recognise the spoken label and thus the addressed item, the label search space of the recogniser being restricted to exclude the labels of items having a range value outside of the determined ranch gate. In one embodiment, the user interface is an audio interface in which the items are represented in an audio field through corresponding synthesized sound sources, the depth at which each sound source is rendered in the audio field being the range value associated with the corresponding item.
28 Citations
28 Claims
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1. A user-interface method in which items are represented to a user with respective perceivable range values, the items having respective associated labels by which they can be addressed, the method involving:
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(a) addressing an item by speaking its label at a loudness indicative of its perceived range;
(b) assessing the loudness at which the label was spoken and determining from this assessment a range gate expected to encompass the range value of the addressed item;
(c) using a speech recogniser to recognise the spoken label and thus the addressed item, the label search space of the recogniser being restricted to exclude the labels of items having a range value outside of the determined ranch gate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. User-interface apparatus comprising:
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means for presenting items to a user with respective perceivable range values, the items having respective associated labels by which they can be addressed, the method involving;
a sound input device for sensing user speech input including the speaking of a said label by a user at a loudness indicative of its perceived range;
range-determination means, operatively connected to the sound input device, for assessing the loudness at which the label was spoken and for determining from this assessment a range gate expected to encompass the range value of the addressed item; and
a speech recogniser for recognising the spoken label and thus the addressed item, the recogniser being operative to restrict its label search space to exclude the labels of items having a range value outside of the ranch-gate determined by the range-determining means. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. User-interface apparatus comprising:
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a presentation arrangement operative to present items to a user with respective perceivable range values, the items having respective associated labels by which they can be addressed;
a sound input device for sensing user speech input including the speaking of a said label by a user at a loudness indicative of its perceived range;
a range-determination arrangement operatively connected to the sound input device, for assessing the loudness at which the label was spoken and for determining from this assessment a range gate expected to encompass the range value of the addressed item; and
a speech recogniser for recognising the spoken label and thus the addressed item, the recogniser being operative to restrict its label search space to exclude the labels of items having a range value outside of the ranch-gate determined by the range-determining arrangement. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28)
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Specification