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This study proposes a data-driven approach to phone set construction for code-switching automatic speech recognition (ASR). Acoustic and context-dependent cross-lingual articulatory features (AFs) are incorporated into the estimation of the distance between triphone units for constructing a Chinese-English phone set. The acoustic features of each triphone in the training corpus are extracted for constructing...
Bilingual speakers are known for their ability to code-switch or mix their languages during communication. This phenomenon occurs when bilinguals substitute a word or phrase from one language with a phrase or word from another language. For code-switching speech recognition, it is essential to collect a large-scale code-switching speech database for model training. In order to ease the negative effect...
With the increase on the demands for code-switching automatic speech recognition (ASR), the design and development of a code-switching speech database becomes highly desirable. However, it is not easy to collect sufficient code-switched utterances for model training for code-switching ASR. This study presents the procedure and experience for the design and development of a Chinese-English COde-switching...
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