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Related papers: Low-latency Real-time Voice Conversion on CPU

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Voice conversion is becoming increasingly popular, and a growing number of application scenarios require models with streaming inference capabilities. The recently proposed DualVC attempts to achieve this objective through streaming model…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-19 Ziqian Ning , Yuepeng Jiang , Pengcheng Zhu , Shuai Wang , Jixun Yao , Lei Xie , Mengxiao Bi

The goal of voice conversion is to transform the speech of a source speaker to sound like that of a reference speaker while preserving the original content. A key challenge is to extract disentangled linguistic content from the source and…

Sound · Computer Science 2025-01-15 Jaehun Kim , Ji-Hoon Kim , Yeunju Choi , Tan Dat Nguyen , Seongkyu Mun , Joon Son Chung

This paper presents methods to accelerate recurrent neural network based language models (RNNLMs) for online speech recognition systems. Firstly, a lossy compression of the past hidden layer outputs (history vector) with caching is…

Computation and Language · Computer Science 2018-01-31 Kyungmin Lee , Chiyoun Park , Namhoon Kim , Jaewon Lee

Neural networks have been successfully applied in various resource-constrained edge devices, where usually central processing units (CPUs) instead of graphics processing units exist due to limited power availability. State-of-the-art…

Machine Learning · Computer Science 2026-01-30 Daniel Stein , Shaoyi Huang , Rolf Drechsler , Bing Li , Grace Li Zhang

Voice Conversion(VC) refers to changing the timbre of a speech while retaining the discourse content. Recently, many works have focused on disentangle-based learning techniques to separate the timbre and the linguistic content information…

Sound · Computer Science 2022-02-22 Huaizhen Tang , Xulong Zhang , Jianzong Wang , Ning Cheng , Jing Xiao

Stochastic latent variable models (LVMs) achieve state-of-the-art performance on natural image generation but are still inferior to deterministic models on speech. In this paper, we develop a speech benchmark of popular temporal LVMs and…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-06 Jakob D. Havtorn , Lasse Borgholt , Søren Hauberg , Jes Frellsen , Lars Maaløe

Style voice conversion aims to transform the style of source speech to a desired style according to real-world application demands. However, the current style voice conversion approach relies on pre-defined labels or reference speech to…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-27 Jixun Yao , Yuguang Yang , Yi Lei , Ziqian Ning , Yanni Hu , Yu Pan , Jingjing Yin , Hongbin Zhou , Heng Lu , Lei Xie

It was shown recently that a combination of ASR and TTS models yield highly competitive performance on standard voice conversion tasks such as the Voice Conversion Challenge 2020 (VCC2020). To obtain good performance both models require…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-01 Mingjie Chen , Yanghao Zhou , Heyan Huang , Thomas Hain

In this paper, we describe our speech generation system for the first Audio Deep Synthesis Detection Challenge (ADD 2022). Firstly, we build an any-to-many voice conversion (VC) system to convert source speech with arbitrary language…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-21 Cheng Wen , Tingwei Guo , Xingjun Tan , Rui Yan , Shuran Zhou , Chuandong Xie , Wei Zou , Xiangang Li

We introduce a novel sequence-to-sequence (seq2seq) voice conversion (VC) model based on the Transformer architecture with text-to-speech (TTS) pretraining. Seq2seq VC models are attractive owing to their ability to convert prosody. While…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-17 Wen-Chin Huang , Tomoki Hayashi , Yi-Chiao Wu , Hirokazu Kameoka , Tomoki Toda

Large language models (LLMs) face significant challenges in processing long contexts due to the linear growth of the key-value (KV) cache and quadratic complexity of self-attention. Existing approaches address these bottlenecks separately:…

Computation and Language · Computer Science 2026-04-17 Zeng You , Yaofo Chen , Qiuwu Chen , Ying Sun , Shuhai Zhang , Yingjian Li , Yaowei Wang , Mingkui Tan

Multimodal Large Language Models (MLLMs) are undergoing rapid progress and represent the frontier of AI development. However, their training and inference efficiency have emerged as a core bottleneck in making MLLMs more accessible and…

Multi-LLM systems harness the complementary strengths of diverse Large Language Models, achieving performance and efficiency gains that are not attainable by a single model. In existing designs, LLMs communicate through text, forcing…

Computation and Language · Computer Science 2026-03-04 Tianyu Fu , Zihan Min , Hanling Zhang , Jichao Yan , Guohao Dai , Wanli Ouyang , Yu Wang

Zero-Shot Voice Conversion (VC) aims to transform the source speaker's timbre into an arbitrary unseen one while retaining speech content. Most prior work focuses on preserving the source's prosody, while fine-grained timbre information may…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-03 Jialong Zuo , Shengpeng Ji , Minghui Fang , Mingze Li , Ziyue Jiang , Xize Cheng , Xiaoda Yang , Chen Feiyang , Xinyu Duan , Zhou Zhao

Voice Conversion (VC) is a technique that aims to transform the non-linguistic information of a source utterance to change the perceived identity of the speaker. While there is a rich literature on VC, most proposed methods are trained and…

We propose an end-to-end speech synthesizer, Fast DCTTS, that synthesizes speech in real time on a single CPU thread. The proposed model is composed of a carefully-tuned lightweight network designed by applying multiple network reduction…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-02 Minsu Kang , Jihyun Lee , Simin Kim , Injung Kim

We present a novel high-fidelity real-time neural vocoder called VocGAN. A recently developed GAN-based vocoder, MelGAN, produces speech waveforms in real-time. However, it often produces a waveform that is insufficient in quality or…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-31 Jinhyeok Yang , Junmo Lee , Youngik Kim , Hoonyoung Cho , Injung Kim

Here we present a novel approach to conditioning the SampleRNN generative model for voice conversion (VC). Conventional methods for VC modify the perceived speaker identity by converting between source and target acoustic features. Our…

Sound · Computer Science 2018-10-30 Cong Zhou , Michael Horgan , Vivek Kumar , Cristina Vasco , Dan Darcy

LPCNet is an efficient vocoder that combines linear prediction and deep neural network modules to keep the computational complexity low. In this work, we present two techniques to further reduce it's complexity, aiming for a low-cost LPCNet…

In recent years, large language models have demonstrated remarkable performance across various natural language processing (NLP) tasks. However, deploying these models for real-world applications often requires efficient inference solutions…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-06-13 Ditto PS , Jithin VG , Adarsh MS
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