activity
20232026
most citedEmo-bias: A Large Scale Evaluation of Social Bias on Speech Emotion Recognition

11 citations · 37 across the 26 of their papers we have counts for

collaborators

30 papers

cs.SD2026

What Does LALM Post-training Learn? Rethinking Audio Understanding and Reasoning Capabilities

Hua-Hsuan Chen, Xuanjun Chen, Wei-Chung Lu +5

Post-training often improves the performance of large audio-language models on audio understanding and reasoning benchmarks. However, these improvements may reflect adaptation to s…

cs.SD2026

The NVVSpeech Challenge 2026: Overview and Lessons for Speech Understanding and Generation with Nonverbal Vocalizations

Liumeng Xue, Yuang Cao, Jingbin Hu +12

Nonverbal vocalizations (NVVs), such as laughter and sighs, convey meaning alongside words. NVV-aware speech systems must recognize and generate these events while preserving lexic…

cs.SD2026

EmoRES-TTS: Residual-Enhanced Vector Steering for Emotional Speech Generation

Kuan-Po Huang, Haohe Liu, Puyuan Peng +5

Emotion-conditioned text-to-speech (TTS) models may fail to express the requested emotion reliably, and improving controllability by additional training is costly in both computati…

cs.SD2026

Mitigating Proxy-to-Wild Domain Gap in Deepfake Speech

Xuanjun Chen, Yun-Shing Wu, Wei-Chung Lu +4

Recent neural audio codec-based speech generation (CodecFake) produces highly realistic audio, posing a challenge to existing deepfake countermeasure models. While using codec resy…

cs.SD2026

Joint Fullband-Subband Modeling for High-Resolution SingFake Detection

Xuanjun Chen, Chia-Yu Hu, Sung-Feng Huang +3

Rapid advances in singing voice synthesis have increased unauthorized imitation risks, creating an urgent need for better Singing Voice Deepfake (SingFake) Detection, also known as…

cs.SD2025

How Does Instrumental Music Help SingFake Detection?

Xuanjun Chen, Chia-Yu Hu, I-Ming Lin +8

Although many models exist to detect singing voice deepfakes (SingFake), how these models operate, particularly with instrumental accompaniment, is unclear. We investigate how inst…

cs.SD2025

Localizing Audio-Visual Deepfakes via Hierarchical Boundary Modeling

Xuanjun Chen, Shih-Peng Cheng, Jiawei Du +6

Audio-visual temporal deepfake localization under the content-driven partial manipulation remains a highly challenging task. In this scenario, the deepfake regions are usually only…

eess.AS2025

HighRateMOS: Sampling-Rate Aware Modeling for Speech Quality Assessment

Wenze Ren, Yi-Cheng Lin, Wen-Chin Huang +9

Modern speech quality prediction models are trained on audio data resampled to a specific sampling rate. When faced with higher-rate audio at test time, these models can produce bi…

cs.SD2025

Towards Generalized Source Tracing for Codec-Based Deepfake Speech

Xuanjun Chen, I-Ming Lin, Lin Zhang +3

Recent attempts at source tracing for codec-based deepfake speech (CodecFake), generated by neural audio codec-based speech generation (CoSG) models, have exhibited suboptimal perf…

cs.SD2025

Codec-Based Deepfake Source Tracing via Neural Audio Codec Taxonomy

Xuanjun Chen, I-Ming Lin, Lin Zhang +4

Recent advances in neural audio codec-based speech generation (CoSG) models have produced remarkably realistic audio deepfakes. We refer to deepfake speech generated by CoSG system…

cs.SD2025

CodecFake+: Codec-Based Resynthesized Data as a Proxy for Detecting CodecFake Speech

Xuanjun Chen, Jiawei Du, Haibin Wu +8

With the rapid advancement of neural audio codecs, codec-based speech generation (CoSG) systems have become highly powerful. Unfortunately, CoSG also enables the creation of highly…

cs.CL2024

Dynamic-SUPERB Phase-2: A Collaboratively Expanding Benchmark for Measuring the Capabilities of Spoken Language Models with 180 Tasks

Chien-yu Huang, Wei-Chih Chen, Shu-wen Yang +77

Multimodal foundation models, such as Gemini and ChatGPT, have revolutionized human-machine interactions by seamlessly integrating various forms of data. Developing a universal spo…

eess.AS2024

Codec-SUPERB @ SLT 2024: A lightweight benchmark for neural audio codec models

Haibin Wu, Xuanjun Chen, Yi-Cheng Lin +13

Neural audio codec models are becoming increasingly important as they serve as tokenizers for audio, enabling efficient transmission or facilitating speech language modeling. The i…

cs.SD2024

DFADD: The Diffusion and Flow-Matching Based Audio Deepfake Dataset

Jiawei Du, I-Ming Lin, I-Hsiang Chiu +6

Mainstream zero-shot TTS production systems like Voicebox and Seed-TTS achieve human parity speech by leveraging Flow-matching and Diffusion models, respectively. Unfortunately, hu…

eess.AS2024★ 1 cited

Efficient Training of Self-Supervised Speech Foundation Models on a Compute Budget

Andy T. Liu, Yi-Cheng Lin, Haibin Wu +2

Despite their impressive success, training foundation models remains computationally costly. This paper investigates how to efficiently train speech foundation models with self-sup…

eess.AS2024

ESPnet-Codec: Comprehensive Training and Evaluation of Neural Codecs for Audio, Music, and Speech

Jiatong Shi, Jinchuan Tian, Yihan Wu +17

Neural codecs have become crucial to recent speech and audio generation research. In addition to signal compression capabilities, discrete codecs have also been found to enhance do…

eess.AS2024

Stimulus Modality Matters: Impact of Perceptual Evaluations from Different Modalities on Speech Emotion Recognition System Performance

Huang-Cheng Chou, Haibin Wu, Hung-yi Lee +1

Speech Emotion Recognition (SER) systems rely on speech input and emotional labels annotated by humans. However, various emotion databases collect perceptional evaluations in diffe…

eess.AS2024

Leveraging Joint Spectral and Spatial Learning with MAMBA for Multichannel Speech Enhancement

Wenze Ren, Haibin Wu, Yi-Cheng Lin +7

In multichannel speech enhancement, effectively capturing spatial and spectral information across different microphones is crucial for noise reduction. Traditional methods, such as…

eess.AS2024★ 8 cited

SpeechPrompt: Prompting Speech Language Models for Speech Processing Tasks

Kai-Wei Chang, Haibin Wu, Yu-Kai Wang +6

Prompting has become a practical method for utilizing pre-trained language models (LMs). This approach offers several advantages. It allows an LM to adapt to new tasks with minimal…

eess.AS2024★ 5 cited

EMO-Codec: An In-Depth Look at Emotion Preservation capacity of Legacy and Neural Codec Models With Subjective and Objective Evaluations

Wenze Ren, Yi-Cheng Lin, Huang-Cheng Chou +5

The neural codec model reduces speech data transmission delay and serves as the foundational tokenizer for speech language models (speech LMs). Preserving emotional information in…

eess.AS2024★ 2 cited

CodecFake: Enhancing Anti-Spoofing Models Against Deepfake Audios from Codec-Based Speech Synthesis Systems

Haibin Wu, Yuan Tseng, Hung-yi Lee

Current state-of-the-art (SOTA) codec-based audio synthesis systems can mimic anyone's voice with just a 3-second sample from that specific unseen speaker. Unfortunately, malicious…

eess.AS2024

Singing Voice Graph Modeling for SingFake Detection

Xuanjun Chen, Haibin Wu, Jyh-Shing Roger Jang +1

Detecting singing voice deepfakes, or SingFake, involves determining the authenticity and copyright of a singing voice. Existing models for speech deepfake detection have struggled…

eess.AS2024

Neural Codec-based Adversarial Sample Detection for Speaker Verification

Xuanjun Chen, Jiawei Du, Haibin Wu +2

Automatic Speaker Verification (ASV), increasingly used in security-critical applications, faces vulnerabilities from rising adversarial attacks, with few effective defenses availa…

eess.AS2024★ 11 cited

Emo-bias: A Large Scale Evaluation of Social Bias on Speech Emotion Recognition

Yi-Cheng Lin, Haibin Wu, Huang-Cheng Chou +2

The rapid growth of Speech Emotion Recognition (SER) has diverse global applications, from improving human-computer interactions to aiding mental health diagnostics. However, SER m…