Lingvo: a Modular and Scalable Framework for Sequence-to-Sequence Modeling
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Abstract (arXiv)
Lingvo is a Tensorflow framework offering a complete solution for collaborative deep learning research, with a particular focus towards sequence-to-sequence models. Lingvo models are composed of modular building blocks that are flexible and easily extensible, and experiment configurations are centralized and highly customizable. Distributed training and quantized inference are supported directly within the framework, and it contains existing implementations of a large number of utilities, helper functions, and the newest research ideas. Lingvo has been used in collaboration by dozens of researchers in more than 20 papers over the last two years. This document outlines the underlying design of Lingvo and serves as an introduction to the various pieces of the framework, while also offering examples of advanced features that showcase the capabilities of the framework.
Key facts. Cited by 86 papers in the map (data through 7 Oct 2026). First posted on arXiv 21 Feb 2019.
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Citing papers per year: 2020: 1; 2021: 29; 2022: 33; 2023: 16; 2024: 6; 2025: 1.
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- 2020GShard: Scaling Giant Models with Conditional Computation and Automatic Shardingcited by 1,601
- 2022Scaling Autoregressive Models for Content-Rich Text-to-Image Generationcited by 1,287
- 2022CoCa: Contrastive Captioners are Image-Text Foundation Modelscited by 1,265
- 2022LaMDA: Language Models for Dialog Applicationscited by 1,218
- 2021GLaM: Efficient Scaling of Language Models with Mixture-of-Expertscited by 890
- 2021SimVLM: Simple Visual Language Model Pretraining with Weak Supervisioncited by 645
- 2021SpeechBrain: A General-Purpose Speech Toolkitcited by 404
- 2022DeepFusion: Lidar-Camera Deep Fusion for Multi-Modal 3D Object Detectioncited by 224
- 2022Scaling Up Models and Data with textttt5x and textttseqiocited by 187
- 2021Primer: Searching for Efficient Transformers for Language Modelingcited by 162
- 2022Self-supervised Learning with Random-projection Quantizer for Speech Recognitioncited by 158
- 2021Recent Advances in End-to-End Automatic Speech Recognitioncited by 138
38 more
- 2023End-to-End Speech Recognition: A Surveycited by 127
- 2021High Quality Rather than High Model Probability: Minimum Bayes Risk Decoding with Neural Metricscited by 104
- 2022CVSS Corpus and Massively Multilingual Speech-to-Speech Translationcited by 71
- 2021Translatotron 2: High-quality direct speech-to-speech translation with voice preservationcited by 69
- 2022Building Machine Translation Systems for the Next Thousand Languagescited by 69
- 2023Conditional Adapters: Parameter-efficient Transfer Learning with Fast Inferencecited by 69
- 2021Scaling End-to-End Models for Large-Scale Multilingual ASRcited by 61
- 2022When does dough become a bagel? Analyzing the remaining mistakes on ImageNetcited by 60
- 2022VeLO: Training Versatile Learned Optimizers by Scaling Upcited by 57
- 2021Scalable Scene Flow from Point Clouds in the Real Worldcited by 49
- 2021WaveGuard: Understanding and Mitigating Audio Adversarial Examplescited by 39
- 2021Tied & Reduced RNN-T Decodercited by 35
- 2023MBR and QE Finetuning: Training-time Distillation of the Best and Most Expensive Decoding Methodscited by 33
- 2021Transformer Based Deliberation for Two-Pass Speech Recognitioncited by 29
- 2023From English to More Languages: Parameter-Efficient Model Reprogramming for Cross-Lingual Speech Recognitioncited by 23
- 2021Learning Word-Level Confidence For Subword End-to-End ASRcited by 22
- 20224-bit Conformer with Native Quantization Aware Training for Speech Recognitioncited by 22
- 2021Effective Sequence-to-Sequence Dialogue State Trackingcited by 20
- 2022Leveraging unsupervised and weakly-supervised data to improve direct speech-to-speech translationcited by 20
- 2023Defending against Adversarial Audio via Diffusion Modelcited by 20
- 2021PyGlove: Symbolic Programming for Automated Machine Learningcited by 19
- 2022Towards the Next 1000 Languages in Multilingual Machine Translation: Exploring the Synergy Between Supervised and Self-Supervised Learningcited by 19
- 2022Textless Direct Speech-to-Speech Translation with Discrete Speech Representationcited by 19
- 2022ESB: A Benchmark For Multi-Domain End-to-End Speech Recognitioncited by 18
- 2021Revealing and Protecting Labels in Distributed Trainingcited by 17
- 2022E2E Segmenter: Joint Segmenting and Decoding for Long-Form ASRcited by 17
- 2023Efficient Domain Adaptation for Speech Foundation Modelscited by 13
- 2021Self-supervised and Supervised Joint Training for Resource-rich Machine Translationcited by 12
- 2022Improving the fusion of acoustic and text representations in RNN-Tcited by 11
- 2021Exploring Targeted Universal Adversarial Perturbations to End-to-end ASR Modelscited by 10
- 2021Input Length Matters: Improving RNN-T and MWER Training for Long-form Telephony Speech Recognitioncited by 10
- 2022Localising In-Domain Adaptation of Transformer-Based Biomedical Language Modelscited by 10
- 2023ESPnet-ST-v2: Multipurpose Spoken Language Translation Toolkitcited by 10
- 2021Lookup-Table Recurrent Language Models for Long Tail Speech Recognitioncited by 9
- 2022Internal Language Model Estimation Through Explicit Context Vector Learning for Attention-based Encoder-decoder ASRcited by 9
- 2022A Language Agnostic Multilingual Streaming On-Device ASR Systemcited by 9
- 2021Assessing Reference-Free Peer Evaluation for Machine Translationcited by 8
- 2021Multi-Task Learning for End-to-End ASR Word and Utterance Confidence with Deletion Predictioncited by 8
50 most cited of 86 All 86 (JSON)
- 2025SequenceLayers: Sequence Processing and Streaming Neural Networks Made Easy31 Jul 2025
- 2024GE2E-KWS: Generalized End-to-End Training and Evaluation for Zero-shot Keyword Spotting22 Oct 2024
- 2024Synth4Kws: Synthesized Speech for User Defined Keyword Spotting in Low Resource Environments23 Jul 2024
- 2024SimulTron: On-Device Simultaneous Speech to Speech Translation4 Jun 2024
- 2024Deferred NAM: Low-latency Top-K Context Injection via Deferred Context Encoding for Non-Streaming ASR15 Apr 2024
- 2024Extreme Encoder Output Frame Rate Reduction: Improving Computational Latencies of Large End-to-End Models27 Feb 2024
- 2024Efficient Adapter Finetuning for Tail Languages in Streaming Multilingual ASR17 Jan 2024
- 2023Improved Long-Form Speech Recognition by Jointly Modeling the Primary and Non-primary Speakers18 Dec 2023
- 2023Using Large Language Models to Accelerate Communication for Users with Severe Motor Impairments3 Dec 2023
- 2023MBR and QE Finetuning: Training-time Distillation of the Best and Most Expensive Decoding Methods19 Sep 2023
- 2023Improving Frame-level Classifier for Word Timings with Non-peaky CTC in End-to-End Automatic Speech Recognition9 Jun 2023
- 2023Edit Distance based RL for RNNT decoding31 May 2023
38 more
- 2023Semantic Segmentation with Bidirectional Language Models Improves Long-form ASR28 May 2023
- 2023Modular Domain Adaptation for Conformer-Based Streaming ASR22 May 2023
- 2023Conditional Adapters: Parameter-efficient Transfer Learning with Fast Inference11 Apr 2023
- 2023ESPnet-ST-v2: Multipurpose Spoken Language Translation Toolkit10 Apr 2023
- 2023A Deliberation-based Joint Acoustic and Text Decoder23 Mar 2023
- 2023End-to-End Speech Recognition: A Survey3 Mar 2023
- 2023Defending against Adversarial Audio via Diffusion Model2 Mar 2023
- 2023Locale Encoding For Scalable Multilingual Keyword Spotting Models25 Feb 2023
- 2023PyGlove: Efficiently Exchanging ML Ideas as Code3 Feb 2023
- 2023Efficient Domain Adaptation for Speech Foundation Models3 Feb 2023
- 2023From English to More Languages: Parameter-Efficient Model Reprogramming for Cross-Lingual Speech Recognition19 Jan 2023
- 2022Localising In-Domain Adaptation of Transformer-Based Biomedical Language Models20 Dec 2022
- 2022Exploiting Category Names for Few-Shot Classification with Vision-Language Models29 Nov 2022
- 2022VeLO: Training Versatile Learned Optimizers by Scaling Up17 Nov 2022
- 2022Unified End-to-End Speech Recognition and Endpointing for Fast and Efficient Speech Systems1 Nov 2022
- 2022Textless Direct Speech-to-Speech Translation with Discrete Speech Representation31 Oct 2022
- 2022ESB: A Benchmark For Multi-Domain End-to-End Speech Recognition24 Oct 2022
- 2022Scaling Up Deliberation for Multilingual ASR11 Oct 2022
- 2022Analysis of Self-Attention Head Diversity for Conformer-based Automatic Speech Recognition13 Sep 2022
- 2022A Language Agnostic Multilingual Streaming On-Device ASR System29 Aug 2022
- 2022RSD-GAN: Regularized Sobolev Defense GAN Against Speech-to-Text Adversarial Attacks14 Jul 2022
- 2022Scaling Autoregressive Models for Content-Rich Text-to-Image Generation22 Jun 2022
- 2022When does dough become a bagel? Analyzing the remaining mistakes on ImageNet9 May 2022
- 2022Building Machine Translation Systems for the Next Thousand Languages9 May 2022
- 2022Online Model Compression for Federated Learning with Large Models6 May 2022
- 2022CoCa: Contrastive Captioners are Image-Text Foundation Models4 May 2022
- 2022The Implicit Length Bias of Label Smoothing on Beam Search Decoding2 May 2022
- 2022E2E Segmenter: Joint Segmenting and Decoding for Long-Form ASR22 Apr 2022
- 2022Scaling Up Models and Data with textttt5x and textttseqio31 Mar 2022
- 20224-bit Conformer with Native Quantization Aware Training for Speech Recognition29 Mar 2022
- 2022Leveraging unsupervised and weakly-supervised data to improve direct speech-to-speech translation24 Mar 2022
- 2022DeepFusion: Lidar-Camera Deep Fusion for Multi-Modal 3D Object Detection15 Mar 2022
- 2022Multilingual Mix: Example Interpolation Improves Multilingual Neural Machine Translation15 Mar 2022
- 2022Parameter-Free Attentive Scoring for Speaker Verification10 Mar 2022
- 2022Attentive Temporal Pooling for Conformer-based Streaming Language Identification in Long-form Speech24 Feb 2022
- 2022Adversarial Attacks on Speech Recognition Systems for Mission-Critical Applications: A Survey22 Feb 2022
- 2022Self-supervised Learning with Random-projection Quantizer for Speech Recognition3 Feb 2022
- 2022Language Dependencies in Adversarial Attacks on Speech Recognition Systems1 Feb 2022
50 newest of 86 All 86 (JSON)
- 2023Defending against Adversarial Audio via Diffusion Modelcited by 20
- 2023Defending against Adversarial Audio via Diffusion Model2 Mar 2023
- 2022Scaling Autoregressive Models for Content-Rich Text-to-Image Generationcited by 1,287
- 2022CoCa: Contrastive Captioners are Image-Text Foundation Modelscited by 1,265
- 2022LaMDA: Language Models for Dialog Applicationscited by 1,218
- 2021SpeechBrain: A General-Purpose Speech Toolkitcited by 404
- 2022DeepFusion: Lidar-Camera Deep Fusion for Multi-Modal 3D Object Detectioncited by 224
- 2022Scaling Up Models and Data with textttt5x and textttseqiocited by 187
- 2021Primer: Searching for Efficient Transformers for Language Modelingcited by 162
- 2022Self-supervised Learning with Random-projection Quantizer for Speech Recognitioncited by 158
- 2021Recent Advances in End-to-End Automatic Speech Recognitioncited by 138
- 2023End-to-End Speech Recognition: A Surveycited by 127
- 2021High Quality Rather than High Model Probability: Minimum Bayes Risk Decoding with Neural Metricscited by 104
- 2022CVSS Corpus and Massively Multilingual Speech-to-Speech Translationcited by 71
12 most cited of 81 All 81 (JSON)
- 2025SequenceLayers: Sequence Processing and Streaming Neural Networks Made Easy31 Jul 2025
- 2024GE2E-KWS: Generalized End-to-End Training and Evaluation for Zero-shot Keyword Spotting22 Oct 2024
- 2024Synth4Kws: Synthesized Speech for User Defined Keyword Spotting in Low Resource Environments23 Jul 2024
- 2024SimulTron: On-Device Simultaneous Speech to Speech Translation4 Jun 2024
- 2024Deferred NAM: Low-latency Top-K Context Injection via Deferred Context Encoding for Non-Streaming ASR15 Apr 2024
- 2024Extreme Encoder Output Frame Rate Reduction: Improving Computational Latencies of Large End-to-End Models27 Feb 2024
- 2024Efficient Adapter Finetuning for Tail Languages in Streaming Multilingual ASR17 Jan 2024
- 2023Improved Long-Form Speech Recognition by Jointly Modeling the Primary and Non-primary Speakers18 Dec 2023
- 2023Using Large Language Models to Accelerate Communication for Users with Severe Motor Impairments3 Dec 2023
- 2023MBR and QE Finetuning: Training-time Distillation of the Best and Most Expensive Decoding Methods19 Sep 2023
- 2023Improving Frame-level Classifier for Word Timings with Non-peaky CTC in End-to-End Automatic Speech Recognition9 Jun 2023
- 2023Edit Distance based RL for RNNT decoding31 May 2023
12 newest of 81 All 81 (JSON)