Search Results for author: Krishna C. Puvvada

Found 7 papers, 2 papers with code

The CHiME-7 Challenge: System Description and Performance of NeMo Team's DASR System

no code implementations18 Oct 2023 Tae Jin Park, He Huang, Ante Jukic, Kunal Dhawan, Krishna C. Puvvada, Nithin Koluguri, Nikolay Karpov, Aleksandr Laptev, Jagadeesh Balam, Boris Ginsburg

We present the NVIDIA NeMo team's multi-channel speech recognition system for the 7th CHiME Challenge Distant Automatic Speech Recognition (DASR) Task, focusing on the development of a multi-channel, multi-speaker speech recognition system tailored to transcribe speech from distributed microphones and microphone arrays.

Automatic Speech Recognition speaker-diarization +3

Discrete Audio Representation as an Alternative to Mel-Spectrograms for Speaker and Speech Recognition

no code implementations19 Sep 2023 Krishna C. Puvvada, Nithin Rao Koluguri, Kunal Dhawan, Jagadeesh Balam, Boris Ginsburg

Discrete audio representation, aka audio tokenization, has seen renewed interest driven by its potential to facilitate the application of text language modeling approaches in audio domain.

Language Modelling Quantization +4

Conformer-based Target-Speaker Automatic Speech Recognition for Single-Channel Audio

2 code implementations9 Aug 2023 Yang Zhang, Krishna C. Puvvada, Vitaly Lavrukhin, Boris Ginsburg

We propose CONF-TSASR, a non-autoregressive end-to-end time-frequency domain architecture for single-channel target-speaker automatic speech recognition (TS-ASR).

Automatic Speech Recognition speech-recognition +1

Accidental Learners: Spoken Language Identification in Multilingual Self-Supervised Models

no code implementations9 Nov 2022 Travis M. Bartley, Fei Jia, Krishna C. Puvvada, Samuel Kriman, Boris Ginsburg

In this paper, we extend previous self-supervised approaches for language identification by experimenting with Conformer based architecture in a multilingual pre-training paradigm.

Language Identification Spoken language identification

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