Speaker-Invariant Features for Automatic Speech Recognition. - Srinivasan Umesh; D. Rama Sanand; G. Praveen (IJCAI, 2007)

Linear transformation approach to VTLN using dynamic frequency warping. - D. Rama Sanand; D. Dinesh Kumar; Srinivasan Umesh (INTERSPEECH, 2007)

A computationally efficient approach to warp factor estimation in VTLN using EM algorithm and sufficient statistics. - P. T. Akhil; Shakti Prasad Rath; Srinivasan Umesh; D. Rama Sanand (INTERSPEECH, 2008)

Use of spectral centre of gravity for generating speaker invariant features for automatic speech recognition. - D. Rama Sanand; V. Balaji; Rani R. Sandhya; Srinivasan Umesh (INTERSPEECH, 2008)

Study of jacobian compensation using linear transformation of conventional MFCC for VTLN. - D. Rama Sanand; Srinivasan Umesh (INTERSPEECH, 2008)

Improving the performance of VTLN under mismatched speaker conditions and making it approach that of matched speaker conditions. - D. Rama Sanand; Shakti Prasad Rath; Srinivasan Umesh (ICASSP, 2009)

Characterizing speaker variability using spectral envelopes of vowel sounds. - A. N. Harish; D. Rama Sanand; Srinivasan Umesh (INTERSPEECH, 2009)

A study on the influence of covariance adaptation on jacobian compensation in vocal tract length normalization. - D. Rama Sanand; Shakti Prasad Rath; Srinivasan Umesh (INTERSPEECH, 2009)

Revisiting VTLN using linear transformation on conventional MFCC. - Doddipatla Rama Sanand; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2010)

A Study on Combining VTLN and SAT to Improve the Performance of Automatic Speech Recognition. - Doddipatla Rama Sanand; Mikko Kurimo (INTERSPEECH, 2011)

Creating synthetic voices for children by adapting adult average voice using stacked transformations and VTLN. - Reima Karhila; Doddipatla Rama Sanand; Mikko Kurimo; Peter Smit (ICASSP, 2012)

VTLN Using Analytically Determined Linear-Transformation on Conventional MFCC. - D. Rama Sanand; Srinivasan Umesh (IEEE Trans. Speech Audio Process., 2012)

Synthetic speaker models using VTLN to improve the performance of children in mismatched speaker conditions for ASR. - D. Rama Sanand; Torbjørn Svendsen (INTERSPEECH, 2013)

Non-negative durational HMM. - Jarle Bauck Hamar; Doddipatla Rama Sanand; Torbjørn Svendsen; Thippur Sreenivas (MLSP, 2013)

Speaker dependent bottleneck layer training for speaker adaptation in automatic speech recognition. - Rama Doddipatla; Madina Hasan; Thomas Hain (INTERSPEECH, 2014)

Multi-pass sentence-end detection of lecture speech. - Madina Hasan; Rama Doddipatla; Thomas Hain (INTERSPEECH, 2014)

The USFD SLT system for IWSLT 2014. - Raymond W. M. Ng; Mortaza Doulaty; Rama Doddipatla; Wilker Aziz; Kashif Shah; Oscar Saz; Madina Hasan; Ghada AlHaribi; Lucia Specia; Thomas Hain (IWSLT (Evaluation Campaign), 2014)

Noise-matched training of CRF based sentence end detection models. - Madina Hasan; Rama Doddipatla; Thomas Hain (INTERSPEECH, 2015)

The USFD Spoken Language Translation System for IWSLT 2014. - Raymond W. M. Ng; Mortaza Doulaty; Rama Doddipatla; Wilker Aziz; Kashif Shah; Oscar Saz; Madina Hasan; Ghada AlHarbi; Lucia Specia; Thomas Hain (CoRR, 2015)

Speaker adaptive training in deep neural networks using speaker dependent bottleneck features. - Rama Doddipatla (ICASSP, 2016)

Speaker Adaptation in DNN-Based Speech Synthesis Using d-Vectors. - Rama Doddipatla; Norbert Braunschweiler; Ranniery Maia (INTERSPEECH, 2017)

An Investigation into the Effectiveness of Enhancement in ASR Training and Test for Chime-5 Dinner Party Transcription. - Catalin Zorila; Christoph Böddeker; Rama Doddipatla; Reinhold Haeb-Umbach (ASRU, 2019)

An Unsupervised Learning Approach to Neural-net-supported Wpe Dereverberation. - Petko Nikolov Petkov; Vasileios Tsiaras; Rama Doddipatla; Yannis Stylianou (ICASSP, 2019)

On Reducing the Effect of Speaker Overlap for Chime-5. - Catalin Zorila; Rama Doddipatla (ICASSP, 2019)

Learning Noise Invariant Features Through Transfer Learning For Robust End-to-End Speech Recognition. - Shucong Zhang; Cong-Thanh Do; Rama Doddipatla; Steve Renals (ICASSP, 2020)

On End-to-end Multi-channel Time Domain Speech Separation in Reverberant Environments. - Jisi Zhang; Catalin Zorila; Rama Doddipatla; Jon Barker (ICASSP, 2020)

A Study on Cross-Corpus Speech Emotion Recognition and Data Augmentation. - Norbert Braunschweiler; Rama Doddipatla; Simon Keizer; Svetlana Stoyanchev (ASRU, 2021)

Dialogue Strategy Adaptation to New Action Sets Using Multi-Dimensional Modelling. - Simon Keizer; Norbert Braunschweiler; Svetlana Stoyanchev; Rama Doddipatla (ASRU, 2021)

Improving HS-DACS Based Streaming Transformer ASR with Deep Reinforcement Learning. - Mohan Li; Rama Doddipatla (ASRU, 2021)

Multiple-Hypothesis CTC-Based Semi-Supervised Adaptation of End-to-End Speech Recognition. - Cong-Thanh Do; Rama Doddipatla; Thomas Hain (ICASSP, 2021)

Head-Synchronous Decoding for Transformer-Based Streaming ASR. - Mohan Li; Catalin Zorila; Rama Doddipatla (ICASSP, 2021)

Action State Update Approach to Dialogue Management. - Svetlana Stoyanchev; Simon Keizer; Rama Doddipatla (ICASSP, 2021)

Train Your Classifier First: Cascade Neural Networks Training from Upper Layers to Lower Layers. - Shucong Zhang; Cong-Thanh Do; Rama Doddipatla; Erfan Loweimi; Peter Bell 001; Steve Renals (ICASSP, 2021)

Time-Domain Speech Extraction with Spatial Information and Multi Speaker Conditioning Mechanism. - Jisi Zhang; Catalin Zorila; Rama Doddipatla; Jon Barker (ICASSP, 2021)

Teacher-Student MixIT for Unsupervised and Semi-Supervised Speech Separation. - Jisi Zhang; Catalin Zorila; Rama Doddipatla; Jon Barker (Interspeech, 2021)

Towards Handling Unconstrained User Preferences in Dialogue. - Suraj Pandey; Svetlana Stoyanchev; Rama Doddipatla (IWSDS, 2021)

Transformer-Based Online Speech Recognition with Decoder-end Adaptive Computation Steps. - Mohan Li; Catalin Zorila; Rama Doddipatla (SLT, 2021)

An Investigation into the Multi-channel Time Domain Speaker Extraction Network. - Catalin Zorila; Mohan Li; Rama Doddipatla (SLT, 2021)

Transformer-Based Streaming ASR with Cumulative Attention. - Mohan Li; Shucong Zhang; Catalin Zorila; Rama Doddipatla (ICASSP, 2022)

Speaker Reinforcement Using Target Source Extraction for Robust Automatic Speech Recognition. - Catalin Zorila; Rama Doddipatla (ICASSP, 2022)

Multiple-hypothesis RNN-T Loss for Unsupervised Fine-tuning and Self-training of Neural Transducer. - Cong-Thanh Do; Mohan Li; Rama Doddipatla (INTERSPEECH, 2022)

Self-regularised Minimum Latency Training for Streaming Transformer-based Speech Recognition. - Mohan Li; Rama Sanand Doddipatla; Catalin Zorila (INTERSPEECH, 2022)

On monoaural speech enhancement for automatic recognition of real noisy speech using mixture invariant training. - Jisi Zhang; Catalin Zorila; Rama Doddipatla; Jon Barker (INTERSPEECH, 2022)

Monaural Source Separation: From Anechoic To Reverberant Environments. - Tobias Cord-Landwehr; Christoph Böddeker; Thilo von Neumann; Catalin Zorila; Rama Doddipatla; Reinhold Haeb-Umbach (IWAENC, 2022)

Combining Structured and Unstructured Knowledge in an Interactive Search Dialogue System. - Svetlana Stoyanchev; Suraj Pandey; Simon Keizer; Norbert Braunschweiler; Rama Sanand Doddipatla (SIGDIAL, 2022)

Non-Autoregressive End-to-End Approaches for Joint Automatic Speech Recognition and Spoken Language Understanding. - Mohan Li; Rama Doddipatla (SLT, 2022)

Factors in Emotion Recognition With Deep Learning Models Using Speech and Text on Multiple Corpora. - Norbert Braunschweiler; Rama Doddipatla; Simon Keizer; Svetlana Stoyanchev (IEEE Signal Process. Lett., 2022)

Robust Recognition of Speaker Emotion With Difference Feature Extraction Using a Few Enrollment Utterances. - Daichi Hayakawa; Takehiko Kagoshima; Kenji Iwata; Norbert Braunschweiler; Rama Doddipatla (ASRU, 2023)

Towards a Unified End-to-End Language Understanding System for Speech and Text Inputs. - Mohan Li; Catalin Zorila; Cong-Thanh Do; Rama Doddipatla (ASRU, 2023)

Enabling Semi-Structured Knowledge Access via a Question-Answering Module in Task-oriented Dialogue Systems. - Norbert Braunschweiler; Rama Sanand Doddipatla; Simon Keizer; Svetlana Stoyanchev (CUI, 2023)

Frame-Wise and Overlap-Robust Speaker Embeddings for Meeting Diarization. - Tobias Cord-Landwehr; Christoph Böddeker; Catalin Zorila; Rama Doddipatla; Reinhold Haeb-Umbach (ICASSP, 2023)

Cumulative Attention Based Streaming Transformer ASR with Internal Language Model Joint Training and Rescoring. - Mohan Li; Cong-Thanh Do; Rama Doddipatla (ICASSP, 2023)

On the Effectiveness of Monoaural Target Source Extraction for Distant end-to-end Automatic Speech Recognition. - Catalin Zorila; Rama Doddipatla (ICASSP, 2023)

A Teacher-Student Approach for Extracting Informative Speaker Embeddings From Speech Mixtures. - Tobias Cord-Landwehr; Christoph Böddeker; Catalin Zorila; Rama Doddipatla; Reinhold Haeb-Umbach (INTERSPEECH, 2023)

Domain Adaptive Self-supervised Training of Automatic Speech Recognition. - Cong-Thanh Do; Rama Doddipatla; Mohan Li; Thomas Hain (INTERSPEECH, 2023)

Adversarial learning of neural user simulators for dialogue policy optimisation. - Simon Keizer; Caroline Dockes; Norbert Braunschweiler; Svetlana Stoyanchev; Rama Doddipatla (CoRR, 2023)

Evaluating Large Language Models for Document-grounded Response Generation in Information-Seeking Dialogues. - Norbert Braunschweiler; Rama Doddipatla; Simon Keizer; Svetlana Stoyanchev (CoRR, 2023)

Semantic Map-based Generation of Navigation Instructions. - Chengzu Li; Chao Zhang; Simone Teufel; Rama Sanand Doddipatla; Svetlana Stoyanchev (LREC/COLING, 2024)

Advancing Faithfulness of Large Language Models in Goal-Oriented Dialogue Question Answering. - Abigail Sticha; Norbert Braunschweiler; Rama Sanand Doddipatla; Kate M. Knill (CUI, 2024)

Improving Accented Speech Recognition Using Data Augmentation Based on Unsupervised Text-to-Speech Synthesis. - Cong-Thanh Do; Shuhei Imai; Rama Doddipatla; Thomas Hain (EUSIPCO, 2024)

Geodesic Interpolation of Frame-Wise Speaker Embeddings for the Diarization of Meeting Scenarios. - Tobias Cord-Landwehr; Christoph Böddeker; Catalin Zorila; Rama Doddipatla; Reinhold Haeb-Umbach (ICASSP, 2024)

Prompting Whisper for QA-driven Zero-shot End-to-end Spoken Language Understanding. - Mohan Li; Simon Keizer; Rama Doddipatla (INTERSPEECH, 2024)

WHISMA: A Speech-LLM to Perform Zero-Shot Spoken Language Understanding. - Mohan Li; Cong-Thanh Do; Simon Keizer; Youmna Farag; Svetlana Stoyanchev; Rama Doddipatla (SLT, 2024)

Entity Resolution in Situated Dialog With Unimodal and Multimodal Transformers. - Alejandro Santorum Varela; Svetlana Stoyanchev; Simon Keizer; Rama Doddipatla; Kate M. Knill (IEEE ACM Trans. Audio Speech Lang. Process., 2024)

Conditional Multi-Stage Failure Recovery for Embodied Agents. - Youmna Farag; Svetlana Stoyanchev; Mohan Li; Simon Keizer; Rama Doddipatla (CoRR, 2025)