activity
20182023
most citedQuasi-Periodic WaveNet: An Autoregressive Raw Waveform Generative Model with Pitch-dependent Dilated Convolution Neural Network

29 citations · 91 across the 19 of their papers we have counts for

collaborators

19 papers

eess.AS2023

Expressive Machine Dubbing Through Phrase-level Cross-lingual Prosody Transfer

Jakub Swiatkowski, Duo Wang, Mikolaj Babianski +5

Speech generation for machine dubbing adds complexity to conventional Text-To-Speech solutions as the generated output is required to match the expressiveness, emotion and speaking…

eess.AS2023

Cross-lingual Prosody Transfer for Expressive Machine Dubbing

Jakub Swiatkowski, Duo Wang, Mikolaj Babianski +3

Prosody transfer is well-studied in the context of expressive speech synthesis. Cross-lingual prosody transfer, however, is challenging and has been under-explored to date. In this…

eess.AS2022

A Cyclical Approach to Synthetic and Natural Speech Mismatch Refinement of Neural Post-filter for Low-cost Text-to-speech System

Yi-Chiao Wu, Patrick Lumban Tobing, Kazuki Yasuhara +3

Neural-based text-to-speech (TTS) systems achieve very high-fidelity speech generation because of the rapid neural network developments. However, the huge labeled corpus and high c…

cs.SD2021★ 1 cited

Direct Noisy Speech Modeling for Noisy-to-Noisy Voice Conversion

Chao Xie, Yi-Chiao Wu, Patrick Lumban Tobing +2

Beyond the conventional voice conversion (VC) where the speaker information is converted without altering the linguistic content, the background sounds are informative and need to…

cs.SD2021★ 7 cited

Noisy-to-Noisy Voice Conversion Framework with Denoising Model

Chao Xie, Yi-Chiao Wu, Patrick Lumban Tobing +2

In a conventional voice conversion (VC) framework, a VC model is often trained with a clean dataset consisting of speech data carefully recorded and selected by minimizing backgrou…

cs.SD2021

Low-Latency Real-Time Non-Parallel Voice Conversion based on Cyclic Variational Autoencoder and Multiband WaveRNN with Data-Driven Linear Prediction

Patrick Lumban Tobing, Tomoki Toda

This paper presents a low-latency real-time (LLRT) non-parallel voice conversion (VC) framework based on cyclic variational autoencoder (CycleVAE) and multiband WaveRNN with data-d…

cs.SD2021★ 2 cited

High-Fidelity and Low-Latency Universal Neural Vocoder based on Multiband WaveRNN with Data-Driven Linear Prediction for Discrete Waveform Modeling

Patrick Lumban Tobing, Tomoki Toda

This paper presents a novel high-fidelity and low-latency universal neural vocoder framework based on multiband WaveRNN with data-driven linear prediction for discrete waveform mod…

eess.AS2021★ 2 cited

crank: An Open-Source Software for Nonparallel Voice Conversion Based on Vector-Quantized Variational Autoencoder

Kazuhiro Kobayashi, Wen-Chin Huang, Yi-Chiao Wu +3

In this paper, we present an open-source software for developing a nonparallel voice conversion (VC) system named crank. Although we have released an open-source VC software based…

eess.AS2020★ 1 cited

The NU Voice Conversion System for the Voice Conversion Challenge 2020: On the Effectiveness of Sequence-to-sequence Models and Autoregressive Neural Vocoders

Wen-Chin Huang, Patrick Lumban Tobing, Yi-Chiao Wu +2

In this paper, we present the voice conversion (VC) systems developed at Nagoya University (NU) for the Voice Conversion Challenge 2020 (VCC2020). We aim to determine the effective…

cs.SD2020

Baseline System of Voice Conversion Challenge 2020 with Cyclic Variational Autoencoder and Parallel WaveGAN

Patrick Lumban Tobing, Yi-Chiao Wu, Tomoki Toda

In this paper, we present a description of the baseline system of Voice Conversion Challenge (VCC) 2020 with a cyclic variational autoencoder (CycleVAE) and Parallel WaveGAN (PWG),…

eess.AS2020★ 29 cited

Quasi-Periodic WaveNet: An Autoregressive Raw Waveform Generative Model with Pitch-dependent Dilated Convolution Neural Network

Yi-Chiao Wu, Tomoki Hayashi, Patrick Lumban Tobing +2

In this paper, a pitch-adaptive waveform generative model named Quasi-Periodic WaveNet (QPNet) is proposed to improve the limited pitch controllability of vanilla WaveNet (WN) usin…

eess.AS2020

A Cyclical Post-filtering Approach to Mismatch Refinement of Neural Vocoder for Text-to-speech Systems

Yi-Chiao Wu, Patrick Lumban Tobing, Kazuki Yasuhara +3

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…

eess.AS2019★ 1 cited

Generalization of Spectrum Differential based Direct Waveform Modification for Voice Conversion

Wen-Chin Huang, Yi-Chiao Wu, Kazuhiro Kobayashi +6

We present a modification to the spectrum differential based direct waveform modification for voice conversion (DIFFVC) so that it can be directly applied as a waveform generation…

eess.AS2019★ 13 cited

Non-Parallel Voice Conversion with Cyclic Variational Autoencoder

Patrick Lumban Tobing, Yi-Chiao Wu, Tomoki Hayashi +2

In this paper, we present a novel technique for a non-parallel voice conversion (VC) with the use of cyclic variational autoencoder (CycleVAE)-based spectral modeling. In a variati…

eess.AS2019

Statistical Voice Conversion with Quasi-Periodic WaveNet Vocoder

Yi-Chiao Wu, Patrick Lumban Tobing, Tomoki Hayashi +2

In this paper, we investigate the effectiveness of a quasi-periodic WaveNet (QPNet) vocoder combined with a statistical spectral conversion technique for a voice conversion task. T…

eess.AS2019★ 9 cited

Quasi-Periodic WaveNet Vocoder: A Pitch Dependent Dilated Convolution Model for Parametric Speech Generation

Yi-Chiao Wu, Tomoki Hayashi, Patrick Lumban Tobing +2

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 c…

eess.AS2019★ 2 cited

Investigation of F0 conditioning and Fully Convolutional Networks in Variational Autoencoder based Voice Conversion

Wen-Chin Huang, Yi-Chiao Wu, Chen-Chou Lo +6

In this work, we investigate the effectiveness of two techniques for improving variational autoencoder (VAE) based voice conversion (VC). First, we reconsider the relationship betw…

eess.AS2018★ 20 cited

Refined WaveNet Vocoder for Variational Autoencoder Based Voice Conversion

Wen-Chin Huang, Yi-Chiao Wu, Hsin-Te Hwang +6

This paper presents a refinement framework of WaveNet vocoders for variational autoencoder (VAE) based voice conversion (VC), which reduces the quality distortion caused by the mis…

eess.AS2018★ 4 cited

Collapsed speech segment detection and suppression for WaveNet vocoder

Yi-Chiao Wu, Kazuhiro Kobayashi, Tomoki Hayashi +2

In this paper, we propose a technique to alleviate the quality degradation caused by collapsed speech segments sometimes generated by the WaveNet vocoder. The effectiveness of the…