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

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While recent advances in Text-To-Speech synthesis have yielded remarkable improvements in generating high-quality speech, research on lightweight and fast models is limited. This paper introduces FLY-TTS, a new fast, lightweight and…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-02 Yinlin Guo , Yening Lv , Jinqiao Dou , Yan Zhang , Yuehai Wang

One of the most difficult speech recognition tasks is accurate recognition of human to human communication. Advances in deep learning over the last few years have produced major speech recognition improvements on the representative…

User studies have shown that reducing the latency of our simultaneous lecture translation system should be the most important goal. We therefore have worked on several techniques for reducing the latency for both components, the automatic…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-24 Thai Son Nguyen , Jan Niehues , Eunah Cho , Thanh-Le Ha , Kevin Kilgour , Markus Muller , Matthias Sperber , Sebastian Stueker , Alex Waibel

Whispered speech lacks vocal-fold excitation, making intelligible conversion challenging. We propose WhisperVC, a three-stage framework for low-resource whisper-to-normal (W2N) conversion that decouples cross-domain alignment from speech…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-11 Dong Liu , Juan Liu , Wei Ju , Yao Tian , Ming Li

Voice conversion (VC) using sequence-to-sequence learning of context posterior probabilities is proposed. Conventional VC using shared context posterior probabilities predicts target speech parameters from the context posterior…

Sound · Computer Science 2017-08-08 Hiroyuki Miyoshi , Yuki Saito , Shinnosuke Takamichi , Hiroshi Saruwatari

Zero-shot singing voice conversion (SVC) transforms a source singer's timbre to an unseen target speaker's voice while preserving melodic content without fine-tuning. Existing methods model speaker timbre and vocal content separately,…

Sound · Computer Science 2025-11-18 Bingsong Bai , Yizhong Geng , Fengping Wang , Cong Wang , Puyuan Guo , Yingming Gao , Ya Li

We propose a lightweight CPU network based on the MKLDNN acceleration strategy, named PP-LCNet, which improves the performance of lightweight models on multiple tasks. This paper lists technologies which can improve network accuracy while…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Cheng Cui , Tingquan Gao , Shengyu Wei , Yuning Du , Ruoyu Guo , Shuilong Dong , Bin Lu , Ying Zhou , Xueying Lv , Qiwen Liu , Xiaoguang Hu , Dianhai Yu , Yanjun Ma

Encoder-decoder models provide a generic architecture for sequence-to-sequence tasks such as speech recognition and translation. While offline systems are often evaluated on quality metrics like word error rates (WER) and BLEU, latency is…

Computation and Language · Computer Science 2020-10-14 Danni Liu , Gerasimos Spanakis , Jan Niehues

Voice conversion is a method that allows for the transformation of speaking style while maintaining the integrity of linguistic information. There are many researchers using deep generative models for voice conversion tasks. Generative…

Sound · Computer Science 2023-08-29 Xulong Zhang , Jianzong Wang , Ning Cheng , Jing Xiao

Large Language Models (LLMs) have significantly advanced audio processing by leveraging audio codecs to discretize audio into tokens, enabling the application of language modeling techniques to speech data. However, existing audio codecs…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-11 Edresson Casanova , Paarth Neekhara , Ryan Langman , Shehzeen Hussain , Subhankar Ghosh , Xuesong Yang , Ante Jukić , Jason Li , Boris Ginsburg

Wav2Vec2.0 is a state-of-the-art model which learns speech representations through unlabeled speech data, aka, self supervised learning. The pretrained model is then fine tuned on small amounts of labeled data to use it for speech-to-text…

Sound · Computer Science 2022-02-15 Santosh Gondi

Deep learning-based speech enhancement (SE) methods often face significant computational challenges when needing to meet low-latency requirements because of the increased number of frames to be processed. This paper introduces the SlowFast…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-07 Longbiao Cheng , Ashutosh Pandey , Buye Xu , Tobi Delbruck , Vamsi Krishna Ithapu , Shih-Chii Liu

We present the latest iteration of the voice conversion challenge (VCC) series, a bi-annual scientific event aiming to compare and understand different voice conversion (VC) systems based on a common dataset. This year we shifted our focus…

Sound · Computer Science 2023-07-07 Wen-Chin Huang , Lester Phillip Violeta , Songxiang Liu , Jiatong Shi , Tomoki Toda

In voice conversion (VC) applications, diffusion and flow-matching models have exhibited exceptional speech quality and speaker similarity performances. However, they are limited by slow conversion owing to their iterative inference.…

Sound · Computer Science 2026-02-23 Takuhiro Kaneko , Hirokazu Kameoka , Kou Tanaka , Yuto Kondo

Transformer has achieved competitive performance against state-of-the-art end-to-end models in automatic speech recognition (ASR), and requires significantly less training time than RNN-based models. The original Transformer, with…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-14 Wenyong Huang , Wenchao Hu , Yu Ting Yeung , Xiao Chen

Brain simulation, as one of the latest advances in artificial intelligence, facilitates better understanding about how information is represented and processed in the brain. The extreme complexity of human brain makes brain simulations only…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-05-17 Xin Du

In this paper we propose a lightweight model for frequency bandwidth extension of speech signals, increasing the sampling frequency from 8kHz to 16kHz while restoring the high frequency content to a level almost indistinguishable from the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-10 Yunpeng Li , Marco Tagliasacchi , Oleg Rybakov , Victor Ungureanu , Dominik Roblek

The research presents a voice conversion model using coefficient mapping and neural network. Most previous works on parametric speech synthesis did not account for losses in spectral details causing over smoothing and invariably, an…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-12 Olaide Ayodeji Agbolade , Samson A. Oyetunji

State of the art (SOTA) neural text to speech (TTS) models can generate natural-sounding synthetic voices. These models are characterized by large memory footprints and substantial number of operations due to the long-standing focus on…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-24 Rowel Atienza

Integrating audio comprehension and generation into large language models (LLMs) remains challenging due to the continuous nature of audio and the resulting high sampling rates. Here, we introduce a novel approach that combines Variational…

Audio and Speech Processing · Electrical Eng. & Systems 2025-03-31 Shivam Mehta , Nebojsa Jojic , Hannes Gamper