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Related papers: Generative timbre spaces: regularizing variational…

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Achieving precise semantic control over the latent spaces of Variational AutoEncoders (VAEs) holds significant value for downstream tasks in NLP as the underlying generative mechanisms could be better localised, explained and improved upon.…

Computation and Language · Computer Science 2024-02-02 Yingji Zhang , Danilo S. Carvalho , Marco Valentino , Ian Pratt-Hartmann , Andre Freitas

Sixty participants provided dissimilarity ratings between various singing techniques. Multidimensional scaling, class averaging and clustering techniques were used to analyse timbral spaces and how they change between different singers,…

Sound · Computer Science 2021-11-17 Brendan O'Connor , Simon Dixon , George Fazekas

Deep generative models have achieved remarkable success in various data domains, including images, time series, and natural languages. There remain, however, substantial challenges for combinatorial structures, including graphs. One of the…

Machine Learning · Computer Science 2018-09-21 Tengfei Ma , Jie Chen , Cao Xiao

We investigate large-scale latent variable models (LVMs) for neural story generation -- an under-explored application for open-domain long text -- with objectives in two threads: generation effectiveness and controllability. LVMs,…

Computation and Language · Computer Science 2021-07-09 Le Fang , Tao Zeng , Chaochun Liu , Liefeng Bo , Wen Dong , Changyou Chen

Exemplar-based methods rely on informative data points or prototypes to guide the optimization of learning algorithms. Such data facilitate interpretable model design and prediction. Of particular interest is the utility of exemplars in…

Machine Learning · Computer Science 2022-11-22 Priya Mani , Carlotta Domeniconi

While a wide range of interpretable generative procedures for graphs exist, matching observed graph topologies with such procedures and choices for its parameters remains an open problem. Devising generative models that closely reproduce…

Machine Learning · Computer Science 2019-11-11 Niklas Stoehr , Emine Yilmaz , Marc Brockschmidt , Jan Stuehmer

Symbolic music generation has made significant progress, yet achieving fine-grained and flexible control over composer style remains challenging. Existing training-based methods for composer style conditioning depend on large labeled…

Sound · Computer Science 2026-04-07 Xunyi Jiang , Mingyang Yao , Jingyue Huang , Julian McAuley

Visual generative models (e.g., diffusion models) typically operate in compressed latent spaces to balance training efficiency and sample quality. In parallel, there has been growing interest in leveraging high-quality pre-trained visual…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Yuan Gao , Chen Chen , Tianrong Chen , Jiatao Gu

We argue that training autoencoders to reconstruct inputs from noised versions of their encodings, when combined with perceptual losses, yields encodings that are structured according to a perceptual hierarchy. We demonstrate the emergence…

Sound · Computer Science 2025-11-11 Mathias Rose Bjare , Giorgia Cantisani , Marco Pasini , Stefan Lattner , Gerhard Widmer

Variational auto-encoders (VAEs) have proven to be a well suited tool for performing dimensionality reduction by extracting latent variables lying in a potentially much smaller dimensional space than the data. Their ability to capture…

Machine Learning · Statistics 2020-10-23 Clément Chadebec , Clément Mantoux , Stéphanie Allassonnière

Variational autoencoders (VAEs) are essential tools in end-to-end representation learning. However, the sequential text generation common pitfall with VAEs is that the model tends to ignore latent variables with a strong auto-regressive…

Machine Learning · Computer Science 2021-02-26 Yang Zhao , Ping Yu , Suchismit Mahapatra , Qinliang Su , Changyou Chen

In this paper, we are interested in unsupervised (unknown noise) audio-visual speech enhancement based on variational autoencoders (VAEs), where the probability distribution of clean speech spectra is simulated using an encoder-decoder…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-10 Mostafa Sadeghi , Xavier Alameda-Pineda

Many music theoretical constructs (such as scale types, modes, cadences, and chord types) are defined in terms of pitch intervals---relative distances between pitches. Therefore, when computer models are employed in music tasks, it can be…

Sound · Computer Science 2019-02-05 Stefan Lattner , Maarten Grachten , Gerhard Widmer

We explore two approaches to creatively altering vocal timbre using Differentiable Digital Signal Processing (DDSP). The first approach is inspired by classic cross-synthesis techniques. A pretrained DDSP decoder predicts a filter for a…

Sound · Computer Science 2023-06-21 David Südholt , Cumhur Erkut

Multimodal music generation aims to produce music from diverse input modalities, including text, videos, and images. Existing methods use a common embedding space for multimodal fusion. Despite their effectiveness in other modalities, their…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Baisen Wang , Le Zhuo , Zhaokai Wang , Chenxi Bao , Wu Chengjing , Xuecheng Nie , Jiao Dai , Jizhong Han , Yue Liao , Si Liu

In this work we study Variational Autoencoders (VAEs) from the perspective of harmonic analysis. By viewing a VAE's latent space as a Gaussian Space, a variety of measure space, we derive a series of results that show that the encoder…

Machine Learning · Statistics 2022-04-26 Alexander Camuto , Matthew Willetts

In audio-related creative tasks, sound designers often seek to extend and morph different sounds from their libraries. Generative audio models, capable of creating audio using examples as references, offer promising solutions. By masking…

Sound · Computer Science 2026-02-20 Prem Seetharaman , Oriol Nieto , Justin Salamon

This study addresses the challenge of statistically extracting generative factors from complex, high-dimensional datasets in unsupervised or semi-supervised settings. We investigate encoder-decoder-based generative models for nonlinear…

Machine Learning · Statistics 2025-07-02 Arkaprabha Ganguli , Nesar Ramachandra , Julie Bessac , Emil Constantinescu

Variational Autoencoders (VAEs) are well-established as a principled approach to probabilistic unsupervised learning with neural networks. Typically, an encoder network defines the parameters of a Gaussian distributed latent space from…

Machine Learning · Computer Science 2025-05-16 Alan Jeffares , Liyuan Liu

Text autoencoders are often used for unsupervised conditional text generation by applying mappings in the latent space to change attributes to the desired values. Recently, Mai et al. (2020) proposed Emb2Emb, a method to learn these…

Computation and Language · Computer Science 2023-02-07 Florian Mai , James Henderson
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