English
Related papers

Related papers: Improving LPCNet-based Text-to-Speech with Linear …

200 papers

The increasingly stringent requirement on quality-of-experience in 5G/B5G communication systems has led to the emerging neural speech enhancement techniques, which however have been developed in isolation from the existing expert-rule based…

Sound · Computer Science 2022-06-23 Yang Liu , Na Tang , Xiaoli Chu , Yang Yang , Jun Wang

Recently the state-of-the-art text-to-speech synthesis systems have shifted to a two-model approach: a sequence-to-sequence model to predict a representation of speech (typically mel-spectrograms), followed by a 'neural vocoder' model which…

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-18 Jonas Rohnke , Tom Merritt , Jaime Lorenzo-Trueba , Adam Gabrys , Vatsal Aggarwal , Alexis Moinet , Roberto Barra-Chicote

In the last years there has been a growing interest for nonlinear speech models. Several works have been published revealing the better performance of nonlinear techniques, but little attention has been dedicated to the implementation of…

Sound · Computer Science 2022-04-04 Marcos Faundez-Zanuy

This paper presents an end-to-end text-to-speech system with low latency on a CPU, suitable for real-time applications. The system is composed of an autoregressive attention-based sequence-to-sequence acoustic model and the LPCNet vocoder…

This paper proposes a modeling-by-generation (MbG) excitation vocoder for a neural text-to-speech (TTS) system. Recently proposed neural excitation vocoders can realize qualified waveform generation by combining a vocal tract filter with a…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-04 Eunwoo Song , Min-Jae Hwang , Ryuichi Yamamoto , Jin-Seob Kim , Ohsung Kwon , Jae-Min Kim

Since the introduction of Generative Adversarial Networks (GANs) in speech synthesis, remarkable achievements have been attained. In a thorough exploration of vocoders, it has been discovered that audio waveforms can be generated at speeds…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-14 Yubing Cao , Yongming Li , Liejun Wang , Yinfeng Yu

Most neural network speech enhancement models ignore speech production mathematical models by directly mapping Fourier transform spectrums or waveforms. In this work, we propose a neural source filter network for speech enhancement.…

Sound · Computer Science 2022-10-31 Shulin He , Wei Rao , Jinjiang Liu , Jun Chen , Yukai Ju , Xueliang Zhang , Yannan Wang , Shidong Shang

Speech large language models (LLMs) have emerged as a prominent research focus in speech processing. We introduce VocalNet-1B and VocalNet-8B, a series of high-performance, low-latency speech LLMs enabled by a scalable and model-agnostic…

Computation and Language · Computer Science 2025-04-23 Yuhao Wang , Heyang Liu , Ziyang Cheng , Ronghua Wu , Qunshan Gu , Yanfeng Wang , Yu Wang

In this paper, we propose a speech enhancement method us ing dual-path Multi-Channel Linear Prediction (MCLP) filters and multi-norm beamforming. Specifically, the MCLP part in the proposed method is designed with dual-path filters in both…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-25 Chengyuan Qin , Wenmeng Xiong , Jing Zhou , Maoshen Jia , Changchun Bao

Recent Speech Large Language Models~(LLMs) have achieved impressive capabilities in end-to-end speech interaction. However, the prevailing autoregressive paradigm imposes strict serial constraints, limiting generation efficiency and…

Computation and Language · Computer Science 2026-02-10 Ziyang Cheng , Yuhao Wang , Heyang Liu , Ronghua Wu , Qunshan Gu , Yanfeng Wang , Yu Wang

In this work, a robust and efficient text-to-speech (TTS) synthesis system named Triple M is proposed for large-scale online application. The key components of Triple M are: 1) A sequence-to-sequence model adopts a novel multi-guidance…

Computation and Language · Computer Science 2021-04-08 Shilun Lin , Fenglong Xie , Li Meng , Xinhui Li , Li Lu

In this paper, we propose to extend the deep, complex U-Network architecture for speech enhancement by incorporating a probabilistic (i.e., variational) latent space model. The proposed model is evaluated against several ablated versions of…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-06 Eike J. Nustede , Jörn Anemüller

This work proposes the use of clean speech vocoder parameters as the target for a neural network performing speech enhancement. These parameters have been designed for text-to-speech synthesis so that they both produce high-quality…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-03 Soumi Maiti , Michael I Mandel

Text-to-Speech (TTS) services that run on edge devices have many advantages compared to cloud TTS, e.g., latency and privacy issues. However, neural vocoders with a low complexity and small model footprint inevitably generate annoying…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-01 Sangjun Park , Kihyun Choo , Joohyung Lee , Anton V. Porov , Konstantin Osipov , June Sig Sung

In this paper, we propose a quasi-periodic neural network (QPNet) vocoder with a novel network architecture named pitch-dependent dilated convolution (PDCNN) to improve the pitch controllability of WaveNet (WN) vocoder. The effectiveness of…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-24 Yi-Chiao Wu , Tomoki Hayashi , Patrick Lumban Tobing , Kazuhiro Kobayashi , Tomoki Toda

In this paper, we propose a deep learning (DL)-based parameter enhancement method for a mixed excitation linear prediction (MELP) speech codec in noisy communication environment. Unlike conventional speech enhancement modules that are…

Audio and Speech Processing · Electrical Eng. & Systems 2019-06-21 Min-Jae Hwang , Hong-Goo Kang

We aim to characterize how different speakers contribute to the perceived output quality of multi-speaker Text-to-Speech (TTS) synthesis. We automatically rate the quality of TTS using a neural network (NN) trained on human mean opinion…

Computation and Language · Computer Science 2020-04-28 Jennifer Williams , Joanna Rownicka , Pilar Oplustil , Simon King

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:…

Prediction of late reverberation component using multi-channel linear prediction (MCLP) in short-time Fourier transform (STFT) domain is an effective means to enhance reverberant speech. Traditionally, a speech power spectral density (PSD)…

Audio and Speech Processing · Electrical Eng. & Systems 2018-12-05 Srikanth Raj Chetupalli , Thippur V. Sreenivas

In recent years, neural vocoders have surpassed classical speech generation approaches in naturalness and perceptual quality of the synthesized speech. Computationally heavy models like WaveNet and WaveGlow achieve best results, while…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-15 Ahmed Mustafa , Nicola Pia , Guillaume Fuchs