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This paper proposes an Expressive Speech Synthesis model that utilizes token-level latent prosodic variables in order to capture and control utterance-level attributes, such as character acting voice and speaking style. Current works aim to…

Recent neural text-to-speech (TTS) models with fine-grained latent features enable precise control of the prosody of synthesized speech. Such models typically incorporate a fine-grained variational autoencoder (VAE) structure, extracting…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-11 Guangzhi Sun , Yu Zhang , Ron J. Weiss , Yuan Cao , Heiga Zen , Andrew Rosenberg , Bhuvana Ramabhadran , Yonghui Wu

Self-supervised disentangled representation learning is a critical task in sequence modeling. The learnt representations contribute to better model interpretability as well as the data generation, and improve the sample efficiency for…

Machine Learning · Computer Science 2021-10-26 Junwen Bai , Weiran Wang , Carla Gomes

The finetuning of pretrained transformer-based language generation models are typically conducted in an end-to-end manner, where the model learns to attend to relevant parts of the input by itself. However, there does not exist a mechanism…

Artificial Intelligence · Computer Science 2022-03-03 Jiabao Ji , Yoon Kim , James Glass , Tianxing He

Modern emotion recognition systems are trained to recognize only a small set of emotions, and hence fail to capture the broad spectrum of emotions people experience and express in daily life. In order to engage in more empathetic…

Computation and Language · Computer Science 2021-08-03 Varsha Suresh , Desmond C. Ong

Knowledge-grounded dialogue is a task of generating an informative response based on both discourse context and external knowledge. As we focus on better modeling the knowledge selection in the multi-turn knowledge-grounded dialogue, we…

Computation and Language · Computer Science 2020-06-17 Byeongchang Kim , Jaewoo Ahn , Gunhee Kim

Deep latent variable models (LVM) such as variational auto-encoder (VAE) have recently played an important role in text generation. One key factor is the exploitation of smooth latent structures to guide the generation. However, the…

Machine Learning · Computer Science 2019-12-02 Le Fang , Chunyuan Li , Jianfeng Gao , Wen Dong , Changyou Chen

A chatbot is an intelligent software application that automates conversations and engages users in natural language through messaging platforms. Leveraging artificial intelligence (AI), chatbots serve various functions, including customer…

Computation and Language · Computer Science 2025-01-03 Lamya Benaddi , Charaf Ouaddi , Adnane Souha , Abdeslam Jakimi , Mohamed Rahouti , Mohammed Aledhari , Diogo Oliveira , Brahim Ouchao

Generating fluent natural language responses from structured semantic representations is a critical step in task-oriented conversational systems. Avenues like the E2E NLG Challenge have encouraged the development of neural approaches,…

Computation and Language · Computer Science 2019-06-19 Anusha Balakrishnan , Jinfeng Rao , Kartikeya Upasani , Michael White , Rajen Subba

Language models (LM) have grown with non-stop in the last decade, from sequence-to-sequence architectures to the state-of-the-art and utter attention-based Transformers. In this work, we demonstrate how the inclusion of deep generative…

Computation and Language · Computer Science 2021-08-25 Aurora Cobo Aguilera , Pablo Martínez Olmos , Antonio Artés-Rodríguez , Fernando Pérez-Cruz

Most state-of-the-art Deep Learning (DL) approaches for speaker recognition work on a short utterance level. Given the speech signal, these algorithms extract a sequence of speaker embeddings from short segments and those are averaged to…

Sound · Computer Science 2019-07-03 Miquel India , Pooyan Safari , Javier Hernando

As an extension of variational autoencoder (VAE), complex VAE uses complex Gaussian distributions to model latent variables and data. This work proposes a complex recurrent VAE framework, specifically in which complex-valued recurrent…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-28 Yuying Xie , Thomas Arildsen , Zheng-Hua Tan

Transformers have had tremendous impact for several sequence related tasks, largely due to their ability to retrieve from any part of the sequence via softmax based dot-product attention. This mechanism plays a crucial role in Transformer's…

Machine Learning · Computer Science 2025-07-15 Sai Surya Duvvuri , Inderjit S. Dhillon

Conditional Generative Models are now acknowledged an essential tool in Machine Learning. This paper focuses on their control. While many approaches aim at disentangling the data through the coordinate-wise control of their latent…

Machine Learning · Computer Science 2020-01-23 Victor Berger , Michèle Sebag

Reasoning language models have demonstrated remarkable capabilities on challenging tasks by generating elaborate chain-of-thought (CoT) solutions. However, such lengthy generation shifts the inference bottleneck from compute-bound to…

Deep neural networks have been shown as a class of useful tools for addressing signal recognition issues in recent years, especially for identifying the nonlinear feature structures of signals. However, this power of most deep learning…

Machine Learning · Computer Science 2021-06-15 Yihong Dong , Ying Peng , Muqiao Yang , Songtao Lu , Qingjiang Shi

Attention-based sequence-to-sequence (seq2seq) speech synthesis has achieved extraordinary performance. But a studio-quality corpus with manual transcription is necessary to train such seq2seq systems. In this paper, we propose an approach…

Sound · Computer Science 2020-10-28 Shan Yang , Yuxuan Wang , Lei Xie

Despite the recent advances in applying pre-trained language models to generate high-quality texts, generating long passages that maintain long-range coherence is yet challenging for these models. In this paper, we propose DiscoDVT, a…

Computation and Language · Computer Science 2021-10-13 Haozhe Ji , Minlie Huang

Recent advancements in diffusion models have notably improved the perceptual quality of generated images in text-to-image synthesis tasks. However, diffusion models often struggle to produce images that accurately reflect the intended…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Yang Zhang , Teoh Tze Tzun , Lim Wei Hern , Tiviatis Sim , Kenji Kawaguchi

Syntactic information contains structures and rules about how text sentences are arranged. Incorporating syntax into text modeling methods can potentially benefit both representation learning and generation. Variational autoencoders (VAEs)…

Computation and Language · Computer Science 2019-08-28 Yijun Xiao , William Yang Wang