activity
20182025
most citedACVAE-VC: Non-parallel many-to-many voice conversion with auxiliary classifier variational autoencoder

48 citations · 214 across the 19 of their papers we have counts for

collaborators

19 papers

cs.CL2025

Let's Put Ourselves in Sally's Shoes: Shoes-of-Others Prefilling Improves Theory of Mind in Large Language Models

Kazutoshi Shinoda, Nobukatsu Hojo, Kyosuke Nishida +4

Recent studies have shown that Theory of Mind (ToM) in large language models (LLMs) has not reached human-level performance yet. Since fine-tuning LLMs on ToM datasets often degrad…

cs.CL2025

ToMATO: Verbalizing the Mental States of Role-Playing LLMs for Benchmarking Theory of Mind

Kazutoshi Shinoda, Nobukatsu Hojo, Kyosuke Nishida +5

Existing Theory of Mind (ToM) benchmarks diverge from real-world scenarios in three aspects: 1) they assess a limited range of mental states such as beliefs, 2) false beliefs are n…

cs.CL2023

End-to-End Joint Target and Non-Target Speakers ASR

Ryo Masumura, Naoki Makishima, Taiga Yamane +12

This paper proposes a novel automatic speech recognition (ASR) system that can transcribe individual speaker's speech while identifying whether they are target or non-target speake…

eess.AS2023

Downstream Task Agnostic Speech Enhancement with Self-Supervised Representation Loss

Hiroshi Sato, Ryo Masumura, Tsubasa Ochiai +8

Self-supervised learning (SSL) is the latest breakthrough in speech processing, especially for label-scarce downstream tasks by leveraging massive unlabeled audio data. The noise r…

cs.SD2021★ 1 cited

MaskCycleGAN-VC: Learning Non-parallel Voice Conversion with Filling in Frames

Takuhiro Kaneko, Hirokazu Kameoka, Kou Tanaka +1

Non-parallel voice conversion (VC) is a technique for training voice converters without a parallel corpus. Cycle-consistent adversarial network-based VCs (CycleGAN-VC and CycleGAN-…

eess.AS2021★ 18 cited

Model architectures to extrapolate emotional expressions in DNN-based text-to-speech

Katsuki Inoue, Sunao Hara, Masanobu Abe +2

This paper proposes architectures that facilitate the extrapolation of emotional expressions in deep neural network (DNN)-based text-to-speech (TTS). In this study, the meaning of…

cs.SD2020★ 5 cited

CycleGAN-VC3: Examining and Improving CycleGAN-VCs for Mel-spectrogram Conversion

Takuhiro Kaneko, Hirokazu Kameoka, Kou Tanaka +1

Non-parallel voice conversion (VC) is a technique for learning mappings between source and target speeches without using a parallel corpus. Recently, cycle-consistent adversarial n…

cs.SD2020★ 9 cited

VoiceGrad: Non-Parallel Any-to-Many Voice Conversion with Annealed Langevin Dynamics

Hirokazu Kameoka, Takuhiro Kaneko, Kou Tanaka +2

In this paper, we propose a non-parallel any-to-many voice conversion (VC) method termed VoiceGrad. Inspired by WaveGrad, a recently introduced novel waveform generation method, Vo…

eess.AS2020★ 2 cited

Nonparallel Voice Conversion with Augmented Classifier Star Generative Adversarial Networks

Hirokazu Kameoka, Takuhiro Kaneko, Kou Tanaka +1

We previously proposed a method that allows for nonparallel voice conversion (VC) by using a variant of generative adversarial networks (GANs) called StarGAN. The main features of…

eess.AS2020★ 9 cited

Many-to-Many Voice Transformer Network

Hirokazu Kameoka, Wen-Chin Huang, Kou Tanaka +3

This paper proposes a voice conversion (VC) method based on a sequence-to-sequence (S2S) learning framework, which enables simultaneous conversion of the voice characteristics, pit…

cs.SD2019★ 17 cited

StarGAN-VC2: Rethinking Conditional Methods for StarGAN-Based Voice Conversion

Takuhiro Kaneko, Hirokazu Kameoka, Kou Tanaka +1

Non-parallel multi-domain voice conversion (VC) is a technique for learning mappings among multiple domains without relying on parallel data. This is important but challenging owin…

cs.SD2019★ 6 cited

CycleGAN-VC2: Improved CycleGAN-based Non-parallel Voice Conversion

Takuhiro Kaneko, Hirokazu Kameoka, Kou Tanaka +1

Non-parallel voice conversion (VC) is a technique for learning the mapping from source to target speech without relying on parallel data. This is an important task, but it has been…

cs.SD2019★ 18 cited

WaveCycleGAN2: Time-domain Neural Post-filter for Speech Waveform Generation

Kou Tanaka, Hirokazu Kameoka, Takuhiro Kaneko +1

WaveCycleGAN has recently been proposed to bridge the gap between natural and synthesized speech waveforms in statistical parametric speech synthesis and provides fast inference wi…

eess.AS2018★ 4 cited

AttS2S-VC: Sequence-to-Sequence Voice Conversion with Attention and Context Preservation Mechanisms

Kou Tanaka, Hirokazu Kameoka, Takuhiro Kaneko +1

This paper describes a method based on a sequence-to-sequence learning (Seq2Seq) with attention and context preservation mechanism for voice conversion (VC) tasks. Seq2Seq has been…

cs.SD2018★ 20 cited

ConvS2S-VC: Fully convolutional sequence-to-sequence voice conversion

Hirokazu Kameoka, Kou Tanaka, Damian Kwasny +2

This paper proposes a voice conversion (VC) method using sequence-to-sequence (seq2seq or S2S) learning, which flexibly converts not only the voice characteristics but also the pit…

eess.AS2018★ 5 cited

WaveCycleGAN: Synthetic-to-natural speech waveform conversion using cycle-consistent adversarial networks

Kou Tanaka, Takuhiro Kaneko, Nobukatsu Hojo +1

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…

stat.ML2018★ 48 cited

ACVAE-VC: Non-parallel many-to-many voice conversion with auxiliary classifier variational autoencoder

Hirokazu Kameoka, Takuhiro Kaneko, Kou Tanaka +1

This paper proposes a non-parallel many-to-many voice conversion (VC) method using a variant of the conditional variational autoencoder (VAE) called an auxiliary classifier VAE (AC…

cs.SD2018★ 47 cited

StarGAN-VC: Non-parallel many-to-many voice conversion with star generative adversarial networks

Hirokazu Kameoka, Takuhiro Kaneko, Kou Tanaka +1

This paper proposes a method that allows non-parallel many-to-many voice conversion (VC) by using a variant of a generative adversarial network (GAN) called StarGAN. Our method, wh…

eess.SP2018★ 5 cited

Generative adversarial network-based approach to signal reconstruction from magnitude spectrograms

Keisuke Oyamada, Hirokazu Kameoka, Takuhiro Kaneko +3

In this paper, we address the problem of reconstructing a time-domain signal (or a phase spectrogram) solely from a magnitude spectrogram. Since magnitude spectrograms do not conta…