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The recently-developed WaveNet architecture is the current state of the art in realistic speech synthesis, consistently rated as more natural sounding for many different languages than any previous system. However, because WaveNet relies on…

We investigate the potential of stochastic neural networks for learning effective waveform-based acoustic models. The waveform-based setting, inherent to fully end-to-end speech recognition systems, is motivated by several comparative…

Machine Learning · Statistics 2021-08-17 Dino Oglic , Zoran Cvetkovic , Peter Sollich

In this paper we address the problem of enhancing speech signals in noisy mixtures using a source separation approach. We explore the use of neural networks as an alternative to a popular speech variance model based on supervised…

Sound · Computer Science 2019-02-06 Simon Leglaive , Laurent Girin , Radu Horaud

Recent advances in neural autoregressive models have improve the performance of speech synthesis (SS). However, as they lack the ability to model global characteristics of speech (such as speaker individualities or speaking styles),…

Computation and Language · Computer Science 2019-02-12 Kei Akuzawa , Yusuke Iwasawa , Yutaka Matsuo

Recent advances in deep learning have facilitated the design of speaker verification systems that directly input raw waveforms. For example, RawNet extracts speaker embeddings from raw waveforms, which simplifies the process pipeline and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-08 Jee-weon Jung , Seung-bin Kim , Hye-jin Shim , Ju-ho Kim , Ha-Jin Yu

Good speech quality has been achieved using waveform matching and parametric reconstruction coders. Recently developed very low bit rate generative codecs can reconstruct high quality wideband speech with bit streams less than 3 kb/s. These…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-23 Wissam A. Jassim , Jan Skoglund , Michael Chinen , Andrew Hines

This paper presents a reverberation module for source-filter-based neural vocoders that improves the performance of reverberant effect modeling. This module uses the output waveform of neural vocoders as an input and produces a reverberant…

Sound · Computer Science 2020-05-18 Yang Ai , Xin Wang , Junichi Yamagishi , Zhen-Hua Ling

Sequential models achieve state-of-the-art results in audio, visual and textual domains with respect to both estimating the data distribution and generating high-quality samples. Efficient sampling for this class of models has however…

This paper proposes an expressive singing voice synthesis system by introducing explicit vibrato modeling and latent energy representation. Vibrato is essential to the naturalness of synthesized sound, due to the inherent characteristics of…

Sound · Computer Science 2022-11-03 Yingjie Song , Wei Song , Wei Zhang , Zhengchen Zhang , Dan Zeng , Zhi Liu , Yang Yu

The expressive quality of synthesized speech for audiobooks is limited by generalized model architecture and unbalanced style distribution in the training data. To address these issues, in this paper, we propose a self-supervised style…

Sound · Computer Science 2023-12-20 Xueyuan Chen , Xi Wang , Shaofei Zhang , Lei He , Zhiyong Wu , Xixin Wu , Helen Meng

We present the Neural Waveshaping Unit (NEWT): a novel, lightweight, fully causal approach to neural audio synthesis which operates directly in the waveform domain, with an accompanying optimisation (FastNEWT) for efficient CPU inference.…

Sound · Computer Science 2021-07-28 Ben Hayes , Charalampos Saitis , György Fazekas

Recent advancements in speech synthesis have leveraged GAN-based networks like HiFi-GAN and BigVGAN to produce high-fidelity waveforms from mel-spectrograms. However, these networks are computationally expensive and parameter-heavy.…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-19 Yinghao Aaron Li , Cong Han , Xilin Jiang , Nima Mesgarani

In this paper, we suggest a new parallel, non-causal and shallow waveform domain architecture for speech enhancement based on FFTNet, a neural network for generating high quality audio waveform. In contrast to other waveform based…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-09 Muhammed PV Shifas , Nagaraj Adiga , Vassilis Tsiaras , Yannis Stylianou

We introduce VampNet, a masked acoustic token modeling approach to music synthesis, compression, inpainting, and variation. We use a variable masking schedule during training which allows us to sample coherent music from the model by…

Sound · Computer Science 2023-07-13 Hugo Flores Garcia , Prem Seetharaman , Rithesh Kumar , Bryan Pardo

Recently, deep learning-based generative models have been introduced to generate singing voices. One approach is to predict the parametric vocoder features consisting of explicit speech parameters. This approach has the advantage that the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-14 Tae-Woo Kim , Min-Su Kang , Gyeong-Hoon Lee

We describe a new convolutional framework for waveform evaluation, WEnets, and build a Narrowband Audio Waveform Evaluation Network, or NAWEnet, using this framework. NAWEnet is single-ended (or no-reference) and was trained three separate…

Audio and Speech Processing · Electrical Eng. & Systems 2019-09-20 Andrew A. Catellier , Stephen D. Voran

Speech super-resolution (SR) is a task to increase speech sampling rate by generating high-frequency components. Existing speech SR methods are trained in constrained experimental settings, such as a fixed upsampling ratio. These strong…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-10 Haohe Liu , Woosung Choi , Xubo Liu , Qiuqiang Kong , Qiao Tian , DeLiang Wang

The optimization of a wavelet-based algorithm to improve speech intelligibility along with the full data set and results are reported. The discrete-time speech signal is split into frequency sub-bands via a multi-level discrete wavelet…

Sound · Computer Science 2022-07-25 Tianqu Kang , Anh-Dung Dinh , Binghong Wang , Tianyuan Du , Yijia Chen , Kevin Chau

Autoregressive neural vocoders have achieved outstanding performance in speech synthesis tasks such as text-to-speech and voice conversion. An autoregressive vocoder predicts a sample at some time step conditioned on those at previous time…

Sound · Computer Science 2024-06-06 Po-chun Hsu , Da-rong Liu , Andy T. Liu , Hung-yi Lee

In real acoustic environment, speech enhancement is an arduous task to improve the quality and intelligibility of speech interfered by background noise and reverberation. Over the past years, deep learning has shown great potential on…

Sound · Computer Science 2021-05-07 Kanghao Zhang , Shulin He , Hao Li , Xueliang Zhang