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Convolutional neural networks with many layers have recently been shown to achieve excellent results on many high-level tasks such as image classification, object detection and more recently also semantic segmentation. Particularly for…

Computer Vision and Pattern Recognition · Computer Science 2015-03-10 Alexander G. Schwing , Raquel Urtasun

This paper introduces the Multi-Band Excited WaveNet a neural vocoder for speaking and singing voices. It aims to advance the state of the art towards an universal neural vocoder, which is a model that can generate voice signals from…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-08 Axel Roebel , Frederik Bous

We present a novel neural encoder system for acoustic-to-articulatory inversion. We leverage the Pink Trombone voice synthesizer that reveals articulatory parameters (e.g tongue position and vocal cord configuration). Our system is designed…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-21 Mateo Cámara , Fernando Marcos , José Luis Blanco

Single-channel, speaker-independent speech separation methods have recently seen great progress. However, the accuracy, latency, and computational cost of such methods remain insufficient. The majority of the previous methods have…

Sound · Computer Science 2019-05-16 Yi Luo , Nima Mesgarani

Despite recent progress in generative adversarial network (GAN)-based vocoders, where the model generates raw waveform conditioned on acoustic features, it is challenging to synthesize high-fidelity audio for numerous speakers across…

Sound · Computer Science 2023-02-17 Sang-gil Lee , Wei Ping , Boris Ginsburg , Bryan Catanzaro , Sungroh Yoon

Unsupervised representation learning of speech has been of keen interest in recent years, which is for example evident in the wide interest of the ZeroSpeech challenges. This work presents a new method for learning frame level…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-18 Mingjie Chen , Thomas Hain

We present Deep Voice, a production-quality text-to-speech system constructed entirely from deep neural networks. Deep Voice lays the groundwork for truly end-to-end neural speech synthesis. The system comprises five major building blocks:…

In a typical voice conversion system, vocoder is commonly used for speech-to-features analysis and features-to-speech synthesis. However, vocoder can be a source of speech quality degradation. This paper presents a vocoder-free voice…

Audio and Speech Processing · Electrical Eng. & Systems 2019-09-18 Xiaohai Tian , Eng Siong Chng , Haizhou Li

General-purpose pretrained sentence encoders such as BERT are not ideal for real-world conversational AI applications; they are computationally heavy, slow, and expensive to train. We propose ConveRT (Conversational Representations from…

Computation and Language · Computer Science 2020-04-30 Matthew Henderson , Iñigo Casanueva , Nikola Mrkšić , Pei-Hao Su , Tsung-Hsien Wen , Ivan Vulić

Deep neural networks can learn complex and abstract representations, that are progressively obtained by combining simpler ones. A recent trend in speech and speaker recognition consists in discovering these representations starting from raw…

Audio and Speech Processing · Electrical Eng. & Systems 2019-02-26 Mirco Ravanelli , Yoshua Bengio

Most neural vocoders are limited to one type: either GAN or diffusion-based. While state-of-the-art models like Vocos and WaveNeXt use powerful ConvNeXt-based generators, they have only been used in GAN frameworks and have limited…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-26 Wangzixi Zhou , Takuma Okamoto , Yamato Ohtani , Sakriani Sakti , Hisashi Kawai

Convolutive Non-Negative Matrix Factorization model factorizes a given audio spectrogram using frequency templates with a temporal dimension. In this paper, we present a convolutional auto-encoder model that acts as a neural network…

Sound · Computer Science 2017-09-26 Shrikant Venkataramani , Y. Cem Subakan , Paris Smaragdis

Deep generative models applied to audio have improved by a large margin the state-of-the-art in many speech and music related tasks. However, as raw waveform modelling remains an inherently difficult task, audio generative models are either…

Machine Learning · Computer Science 2021-12-16 Antoine Caillon , Philippe Esling

Most deep learning pipelines are built on real-valued operations to deal with real-valued inputs such as images, speech or music signals. However, a lot of applications naturally make use of complex-valued signals or images, such as MRI or…

Machine Learning · Computer Science 2023-06-19 Florian Eilers , Xiaoyi Jiang

We propose a learning-based filter that allows us to directly modify a synthetic speech waveform into a natural speech waveform. Speech-processing systems using a vocoder framework such as statistical parametric speech synthesis and voice…

Audio and Speech Processing · Electrical Eng. & Systems 2018-10-02 Kou Tanaka , Takuhiro Kaneko , Nobukatsu Hojo , Hirokazu Kameoka

Medical image segmentation is a fundamental task in the community of medical image analysis. In this paper, a novel network architecture, referred to as Convolution, Transformer, and Operator (CTO), is proposed. CTO employs a combination of…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Yi Lin , Dong Zhang , Xiao Fang , Yufan Chen , Kwang-Ting Cheng , Hao Chen

We propose an innovative token representation and update method in a new ultra-small language model: the Wave network. Specifically, we use a complex vector to represent each token, encoding both global and local semantics of the input…

Computation and Language · Computer Science 2024-11-12 Xin Zhang , Victor S. Sheng

The increasing congestion of the radio frequency spectrum presents challenges for efficient spectrum utilization. Cognitive radio systems enable dynamic spectrum access with the aid of recent innovations in neural networks. However,…

Machine Learning · Computer Science 2025-08-25 Sangwon Shin , Mehmet C. Vuran

Recently, the effectiveness of text-to-speech (TTS) systems combined with neural vocoders to generate high-fidelity speech has been shown. However, collecting the required training data and building these advanced systems from scratch are…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-10 Yi-Chiao Wu , Patrick Lumban Tobing , Kazuki Yasuhara , Noriyuki Matsunaga , Yamato Ohtani , Tomoki Toda

It is a challenging task to learn discriminative representation from images and videos, due to large local redundancy and complex global dependency in these visual data. Convolution neural networks (CNNs) and vision transformers (ViTs) have…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Kunchang Li , Yali Wang , Junhao Zhang , Peng Gao , Guanglu Song , Yu Liu , Hongsheng Li , Yu Qiao