Search Results for author: Jisi Zhang

Found 7 papers, 0 papers with code

On-Device Speaker Anonymization of Acoustic Embeddings for ASR based onFlexible Location Gradient Reversal Layer

no code implementations25 Jul 2023 Md Asif Jalal, Pablo Peso Parada, Jisi Zhang, Karthikeyan Saravanan, Mete Ozay, Myoungji Han, Jung In Lee, Seokyeong Jung

Our paper proposes a privacy-enhancing framework that targets speaker identity anonymization while preserving speech recognition accuracy for our downstream task~-~Automatic Speech Recognition (ASR).

Automatic Speech Recognition Automatic Speech Recognition (ASR) +2

Teacher-Student MixIT for Unsupervised and Semi-supervised Speech Separation

no code implementations15 Jun 2021 Jisi Zhang, Catalin Zorila, Rama Doddipatla, Jon Barker

The proposed method first uses mixtures of unseparated sources and the mixture invariant training (MixIT) criterion to train a teacher model.

Speech Separation

Time-Domain Speech Extraction with Spatial Information and Multi Speaker Conditioning Mechanism

no code implementations7 Feb 2021 Jisi Zhang, Catalin Zorila, Rama Doddipatla, Jon Barker

In this paper, we present a novel multi-channel speech extraction system to simultaneously extract multiple clean individual sources from a mixture in noisy and reverberant environments.

Speech Extraction speech-recognition +1

On End-to-end Multi-channel Time Domain Speech Separation in Reverberant Environments

no code implementations11 Nov 2020 Jisi Zhang, Catalin Zorila, Rama Doddipatla, Jon Barker

To reduce the influence of reverberation on spatial feature extraction, a dereverberation pre-processing method has been applied to further improve the separation performance.

speech-recognition Speech Recognition +1

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