7 papers
Kernelized Activation Steering
Laziz U. Abdullaev, Minh-Hieu Pham, Bach Do +2
Activation steering provides a simple, training-free mechanism for controlling attributes of generative models such as sentiment, style, and helpfulness. However, standard approach…
High-Dimensional Random Projection for Activation Steering in Language Models
Minh-Hieu Pham, Bach Do, Laziz Abdullaev +2
Activation steering has emerged as a key methodology for controlling the behavior of large language models (LLMs). Existing difference-in-means based methods, however, are fundamen…
JASTIN: Aligning LLMs for Zero-Shot Audio and Speech Evaluation via Natural Language Instructions
Leying Zhang, Bowen Shi, Haibin Wu +2
The rapid advancement of generative audio models has outpaced the development of robust evaluation methodologies. Existing objective metrics and general multimodal large language m…
Enhancing Conversational TTS with Cascaded Prompting and ICL-Based Online Reinforcement Learning
Zhicheng Ouyang, Seong-Gyun Leem, Bach Viet Do +4
Conversational AI has made significant progress, yet generating expressive and controllable text-to-speech (TTS) remains challenging. Specifically, controlling fine-grained voice s…
T-Mimi: A Transformer-based Mimi Decoder for Real-Time On-Phone TTS
Haibin Wu, Bach Viet Do, Naveen Suda +10
Neural audio codecs provide promising acoustic features for speech synthesis, with representative streaming codecs like Mimi providing high-quality acoustic features for real-time…
Forecasting Automotive Supply Chain Shortfalls with Heterogeneous Time Series
Bach Viet Do, Xingyu Li, Chaoye Pan
Operational disruptions can significantly impact companies performance. Ford, with its 37 plants globally, uses 17 billion parts annually to manufacture six million cars and trucks…
Uncovering Heterogeneity of Solar Flare Mechanism With Mixture Models
Bach Viet Do, Yang Chen, XuanLong Nguyen +1
The physics of solar flares occurring on the Sun is highly complex and far from fully understood. However, observations show that solar eruptions are associated with the intense ki…