activity
20132024
most citedDeep Learning for Audio Signal Processing

859 citations · 2.2k across the 80 of their papers we have counts for

collaborators

90 papers

cs.CL2024

Text Injection for Neural Contextual Biasing

Zhong Meng, Zelin Wu, Rohit Prabhavalkar +5

Neural contextual biasing effectively improves automatic speech recognition (ASR) for crucial phrases within a speaker's context, particularly those that are infrequent in the trai…

cs.CL2024★ 4 cited

Handling Ambiguity in Emotion: From Out-of-Domain Detection to Distribution Estimation

Wen Wu, Bo Li, Chao Zhang +5

The subjective perception of emotion leads to inconsistent labels from human annotators. Typically, utterances lacking majority-agreed labels are excluded when training an emotion…

cs.CL2024

Efficient Adapter Finetuning for Tail Languages in Streaming Multilingual ASR

Junwen Bai, Bo Li, Qiujia Li +2

The end-to-end ASR model is often desired in the streaming multilingual scenario since it is easier to deploy and can benefit from pre-trained speech models such as powerful founda…

eess.AS2024

USM-Lite: Quantization and Sparsity Aware Fine-tuning for Speech Recognition with Universal Speech Models

Shaojin Ding, David Qiu, David Rim +10

End-to-end automatic speech recognition (ASR) models have seen revolutionary quality gains with the recent development of large-scale universal speech models (USM). However, deploy…

cs.SD2023

Improved Long-Form Speech Recognition by Jointly Modeling the Primary and Non-primary Speakers

Guru Prakash Arumugam, Shuo-yiin Chang, Tara N. Sainath +3

ASR models often suffer from a long-form deletion problem where the model predicts sequential blanks instead of words when transcribing a lengthy audio (in the order of minutes or…

eess.AS2023★ 1 cited

Massive End-to-end Models for Short Search Queries

Weiran Wang, Rohit Prabhavalkar, Dongseong Hwang +11

In this work, we investigate two popular end-to-end automatic speech recognition (ASR) models, namely Connectionist Temporal Classification (CTC) and RNN-Transducer (RNN-T), for of…

cs.CL2023

Text Injection for Capitalization and Turn-Taking Prediction in Speech Models

Shaan Bijwadia, Shuo-yiin Chang, Weiran Wang +3

Text injection for automatic speech recognition (ASR), wherein unpaired text-only data is used to supplement paired audio-text data, has shown promising improvements for word error…

cs.CL2023

Improving Joint Speech-Text Representations Without Alignment

Cal Peyser, Zhong Meng, Ke Hu +5

The last year has seen astonishing progress in text-prompted image generation premised on the idea of a cross-modal representation space in which the text and image domains are rep…

cs.CL2023★ 43 cited

AudioPaLM: A Large Language Model That Can Speak and Listen

Paul K. Rubenstein, Chulayuth Asawaroengchai, Duc Dung Nguyen +27

We introduce AudioPaLM, a large language model for speech understanding and generation. AudioPaLM fuses text-based and speech-based language models, PaLM-2 [Anil et al., 2023] and…

cs.CL2023★ 7 cited

How to Estimate Model Transferability of Pre-Trained Speech Models?

Zih-Ching Chen, Chao-Han Huck Yang, Bo Li +6

In this work, we introduce a "score-based assessment" framework for estimating the transferability of pre-trained speech models (PSMs) for fine-tuning target tasks. We leverage upo…

cs.CL2023

Semantic Segmentation with Bidirectional Language Models Improves Long-form ASR

W. Ronny Huang, Hao Zhang, Shankar Kumar +2

We propose a method of segmenting long-form speech by separating semantically complete sentences within the utterance. This prevents the ASR decoder from needlessly processing fara…

cs.CL2023

Mixture-of-Expert Conformer for Streaming Multilingual ASR

Ke Hu, Bo Li, Tara N. Sainath +2

End-to-end models with large capacity have significantly improved multilingual automatic speech recognition, but their computation cost poses challenges for on-device applications.…

eess.AS2023

Modular Domain Adaptation for Conformer-Based Streaming ASR

Qiujia Li, Bo Li, Dongseong Hwang +2

Speech data from different domains has distinct acoustic and linguistic characteristics. It is common to train a single multidomain model such as a Conformer transducer for speech…

cs.CL2023

A Comparison of Semi-Supervised Learning Techniques for Streaming ASR at Scale

Cal Peyser, Michael Picheny, Kyunghyun Cho +3

Unpaired text and audio injection have emerged as dominant methods for improving ASR performance in the absence of a large labeled corpus. However, little guidance exists on deploy…

cs.CL2023

Lego-Features: Exporting modular encoder features for streaming and deliberation ASR

Rami Botros, Rohit Prabhavalkar, Johan Schalkwyk +3

In end-to-end (E2E) speech recognition models, a representational tight-coupling inevitably emerges between the encoder and the decoder. We build upon recent work that has begun to…

cs.CL2023

Practical Conformer: Optimizing size, speed and flops of Conformer for on-Device and cloud ASR

Rami Botros, Anmol Gulati, Tara N. Sainath +5

Conformer models maintain a large number of internal states, the vast majority of which are associated with self-attention layers. With limited memory bandwidth, reading these from…

eess.AS2023

A Deliberation-based Joint Acoustic and Text Decoder

Sepand Mavandadi, Tara N. Sainath, Ke Hu +1

We propose a new two-pass E2E speech recognition model that improves ASR performance by training on a combination of paired data and unpaired text data. Previously, the joint acous…

eess.AS2023

Sharing Low Rank Conformer Weights for Tiny Always-On Ambient Speech Recognition Models

Steven M. Hernandez, Ding Zhao, Shaojin Ding +5

Continued improvements in machine learning techniques offer exciting new opportunities through the use of larger models and larger training datasets. However, there is a growing ne…

eess.AS2023

End-to-End Speech Recognition: A Survey

Rohit Prabhavalkar, Takaaki Hori, Tara N. Sainath +2

In the last decade of automatic speech recognition (ASR) research, the introduction of deep learning brought considerable reductions in word error rate of more than 50% relative, c…

cs.CL2023★ 113 cited

Google USM: Scaling Automatic Speech Recognition Beyond 100 Languages

Yu Zhang, Wei Han, James Qin +24

We introduce the Universal Speech Model (USM), a single large model that performs automatic speech recognition (ASR) across 100+ languages. This is achieved by pre-training the enc…

eess.AS2023

UML: A Universal Monolingual Output Layer for Multilingual ASR

Chao Zhang, Bo Li, Tara N. Sainath +2

Word-piece models (WPMs) are commonly used subword units in state-of-the-art end-to-end automatic speech recognition (ASR) systems. For multilingual ASR, due to the differences in…

cs.CL2023

Massively Multilingual Shallow Fusion with Large Language Models

Ke Hu, Tara N. Sainath, Bo Li +7

While large language models (LLM) have made impressive progress in natural language processing, it remains unclear how to utilize them in improving automatic speech recognition (AS…

eess.AS2023

JEIT: Joint End-to-End Model and Internal Language Model Training for Speech Recognition

Zhong Meng, Weiran Wang, Rohit Prabhavalkar +7

We propose JEIT, a joint end-to-end (E2E) model and internal language model (ILM) training method to inject large-scale unpaired text into ILM during E2E training which improves ra…

cs.CL2023★ 2 cited

Efficient Domain Adaptation for Speech Foundation Models

Bo Li, Dongseong Hwang, Zhouyuan Huo +8

Foundation models (FMs), that are trained on broad data at scale and are adaptable to a wide range of downstream tasks, have brought large interest in the research community. Benef…