Analysis of X-Vectors for Low-Resource Speech Recognition | IEEE Conference Publication | IEEE Xplore

Analysis of X-Vectors for Low-Resource Speech Recognition


Abstract:

The paper presents a study of usability of x-vectors for adaptation of automatic speech recognition (ASR) systems. X-vectors are Neural Network (NN)-based speaker embeddi...Show More

Abstract:

The paper presents a study of usability of x-vectors for adaptation of automatic speech recognition (ASR) systems. X-vectors are Neural Network (NN)-based speaker embeddings recently proposed in speaker recognition (SR). They quickly replaced common i-vectors and became new state-of-the-art technique. Here, the same approach is adopted for ASR with the hope of similar outcome. All experiments were done on ASR for the latest IARPA MATERIAL evaluation running on Pashto language. Over 1% absolute improvement was observed with x-vectors over traditional i-vectors, even when the x-vector extractor was not trained on target Pashto data.
Date of Conference: 06-11 June 2021
Date Added to IEEE Xplore: 13 May 2021
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Conference Location: Toronto, ON, Canada

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