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公开(公告)号：US20240312457A1
公开(公告)日：2024-09-19
申请号：US18669069
申请日：2024-05-20
CPC分类号： G10L15/22 , G10L15/063
摘要： Provided are an electronic device and a method of controlling an electronic device. The electronic device includes: a memory storing at least one instruction; and at least one processor configured to execute the at least one instruction, wherein one or more of the at least one processor is configured to: acquire a first vector corresponding to each of a plurality of sections of a voice signal by inputting the voice signal to a common encoder based on acquiring the voice signal; acquire a second vector corresponding to each of the plurality of sections and independent on a context of the voice signal by inputting the first vector into a first individual encoder; acquire a phoneme sequence corresponding to the second vector by inputting the second vector into a first decoder; acquire a third vector corresponding to at least two sections among the plurality of sections and dependent on the context of the voice signal by inputting the first vectors into a second individual encoder; acquire a sub-word sequence corresponding to the third vector by inputting the third vector into a second decoder; and acquire text information corresponding to the plurality of sections by correcting the sub-word sequence based on the phoneme sequence, through a text information acquisition module.
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公开(公告)号：US20210050017A1
公开(公告)日：2021-02-18
申请号：US16990343
申请日：2020-08-11
发明人： Chanwoo KIM , Dhananjaya N. GOWDA , Abhinav GARG , Kyungmin LEE
IPC分类号： G10L15/30 , G10L15/22 , G10L19/008 , G10L19/06 , G10L15/06
摘要： Provided are a system and method for modifying a speech recognition result. The method includes: receiving, from a device, text output from an automatic speech recognition (ASR) model of the device; identifying at least one domain related to the received text; selecting, from among a plurality of text modification models included in the server, at least one text modification model corresponding to the identified at least one domain; and modifying the received text by using the selected at least one text modification model.
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公开(公告)号：US20220005481A1
公开(公告)日：2022-01-06
申请号：US17296806
申请日：2019-11-22
发明人： Chanwoo KIM , Dhananjaya N. GOWDA , Sungsoo KIM , Minkyu SHIN , Larry Paul HECK , Abhinav GARG , Kwangyoun KIM , Mehul KUMAR
摘要： The disclosure relates to an electronic apparatus for recognizing user voice and a method of recognizing, by the electronic apparatus, the user voice. According to an embodiment, the method of recognizing the user voice includes obtaining an audio signal segmented into a plurality of frame units, determining an energy component for each filter bank by applying a filter bank distributed according to a preset scale to a frequency spectrum of the audio signal segmented into the frame units, smoothing the determined energy component for each filter bank, extracting a feature vector of the audio signal based on the smoothed energy component for each filter bank, and recognizing the user voice in the audio signal by inputting the extracted feature vector to a voice recognition model.
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公开(公告)号：US20200234713A1
公开(公告)日：2020-07-23
申请号：US16750274
申请日：2020-01-23
发明人： Dhananjaya N. GOWDA , Kwangyoun KIM , Abhinav GARG , Chanwoo KIM
摘要： Provided are an electronic device for recognizing speech of a user, and a method, performed by the electronic device, of recognizing speech. The method includes obtaining an audio signal based on a speech input based on the audio signal being input, obtaining an output value of a first automatic speech recognition (ASR) model that outputs a character string at a first level; obtaining an output value of a second ASR model that outputs a character string at a second level corresponding to the audio signal based on the output value of the first ASR model based on the audio signal being input; and recognizing the speech from the output value of the second ASR model.
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