English
Related papers

Related papers: SemanticVocoder: Bridging Audio Generation and Aud…

200 papers

In this paper, we propose SemanticAC, a semantics-assisted framework for Audio Classification to better leverage the semantic information. Unlike conventional audio classification methods that treat class labels as discrete vectors, we…

Sound · Computer Science 2023-02-14 Yicheng Xiao , Yue Ma , Shuyan Li , Hantao Zhou , Ran Liao , Xiu Li

Modern speech enhancement (SE) networks typically implement noise suppression through time-frequency masking, latent representation masking, or discriminative signal prediction. In contrast, some recent works explore SE via generative…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-07 Bryce Irvin , Marko Stamenovic , Mikolaj Kegler , Li-Chia Yang

Variational autoencoders (VAEs) have been used extensively to discover low-dimensional latent factors governing neural activity and animal behavior. However, without careful model selection, the uncovered latent factors may reflect noise in…

Machine Learning · Computer Science 2023-12-13 Julia Huiming Wang , Dexter Tsin , Tatiana Engel

Stochastic latent variable models (LVMs) achieve state-of-the-art performance on natural image generation but are still inferior to deterministic models on speech. In this paper, we develop a speech benchmark of popular temporal LVMs and…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-06 Jakob D. Havtorn , Lasse Borgholt , Søren Hauberg , Jes Frellsen , Lars Maaløe

Although variational autoencoders (VAEs) represent a widely influential deep generative model, many aspects of the underlying energy function remain poorly understood. In particular, it is commonly believed that Gaussian encoder/decoder…

Machine Learning · Computer Science 2019-10-31 Bin Dai , David Wipf

New system for i-vector speaker recognition based on variational autoencoder (VAE) is investigated. VAE is a promising approach for developing accurate deep nonlinear generative models of complex data. Experiments show that VAE provides…

Sound · Computer Science 2017-05-26 Timur Pekhovsky , Maxim Korenevsky

Language model (LM) based audio generation frameworks, e.g., AudioLM, have recently achieved new state-of-the-art performance in zero-shot audio generation. In this paper, we explore the feasibility of LMs for zero-shot voice conversion. An…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-22 Zhichao Wang , Yuanzhe Chen , Lei Xie , Qiao Tian , Yuping Wang

Streaming voice conversion has become increasingly popular for its potential in real-time applications. The recently proposed DualVC 2 has achieved robust and high-quality streaming voice conversion with a latency of about 180ms.…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-13 Ziqian Ning , Shuai Wang , Pengcheng Zhu , Zhichao Wang , Jixun Yao , Lei Xie , Mengxiao Bi

Recent advancements in neural vocoding are predominantly driven by Generative Adversarial Networks (GANs) operating in the time-domain. While effective, this approach neglects the inductive bias offered by time-frequency representations,…

Sound · Computer Science 2024-05-30 Hubert Siuzdak

In this paper we propose Structuring AutoEncoders (SAE). SAEs are neural networks which learn a low dimensional representation of data which are additionally enriched with a desired structure in this low dimensional space. While traditional…

Machine Learning · Computer Science 2019-08-20 Marco Rudolph , Bastian Wandt , Bodo Rosenhahn

Generating audio from a video's visual context has multiple practical applications in improving how we interact with audio-visual media - for example, enhancing CCTV footage analysis, restoring historical videos (e.g., silent movies), and…

Sound · Computer Science 2024-04-30 Hugo Garrido-Lestache Belinchon , Helina Mulugeta , Adam Haile

Integrating audio comprehension and generation into large language models (LLMs) remains challenging due to the continuous nature of audio and the resulting high sampling rates. Here, we introduce a novel approach that combines Variational…

Audio and Speech Processing · Electrical Eng. & Systems 2025-03-31 Shivam Mehta , Nebojsa Jojic , Hannes Gamper

Latent representations are at the heart of the majority of modern generative models. In the audio domain they are typically produced by a neural-audio-codec autoencoder. In this work we introduce SAME (Semantically-Aligned Music…

Sound · Computer Science 2026-05-19 Julian D. Parker , Zach Evans , CJ Carr , Zachary Zukowski , Josiah Taylor , Matthew Rice , Jordi Pons

We present fast, realistic image generation on high-resolution, multimodal datasets using hierarchical variational autoencoders (VAEs) trained on a deterministic autoencoder's latent space. In this two-stage setup, the autoencoder…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Troy Luhman , Eric Luhman

VAEs (Variational AutoEncoders) have proved to be powerful in the context of density modeling and have been used in a variety of contexts for creative purposes. In many settings, the data we model possesses continuous attributes that we…

Machine Learning · Computer Science 2017-07-18 Gaëtan Hadjeres , Frank Nielsen , François Pachet

Recent progress in diffusion-based visual generation has largely relied on latent diffusion models with variational autoencoders (VAEs). While effective for high-fidelity synthesis, this VAE+diffusion paradigm suffers from limited training…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Minglei Shi , Haolin Wang , Wenzhao Zheng , Ziyang Yuan , Xiaoshi Wu , Xintao Wang , Pengfei Wan , Jie Zhou , Jiwen Lu

Zero-shot skeleton-based action recognition aims to develop models capable of identifying actions beyond the categories encountered during training. Previous approaches have primarily focused on aligning visual and semantic representations…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Wenhan Wu , Zhishuai Guo , Chen Chen , Hongfei Xue , Aidong Lu

Speech codecs are traditionally optimized for waveform fidelity, allocating bits to preserve acoustic detail even when much of it can be inferred from linguistic structure. This leads to inefficient compression and suboptimal performance on…

Sound · Computer Science 2025-12-29 Liuyang Bai , Weiyi Lu , Li Guo

Semantic information refers to the meaning conveyed through words, phrases, and contextual relationships within a given linguistic structure. Humans can leverage semantic information, such as familiar linguistic patterns and contextual…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-06 Jixun Yao , Hexin Liu , Chen Chen , Yuchen Hu , EngSiong Chng , Lei Xie

Is there really much more to say about sparse autoencoders (SAEs)? Autoencoders in general, and SAEs in particular, represent deep architectures that are capable of modeling low-dimensional latent structure in data. Such structure could…

Machine Learning · Computer Science 2025-06-09 Yin Lu , Xuening Zhu , Tong He , David Wipf