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Related papers: N-dimensional nonlinear prediction with MLP

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Neural speech synthesis algorithms are a promising new approach for coding speech at very low bitrate. They have so far demonstrated quality that far exceeds traditional vocoders, at the cost of very high complexity. In this work, we…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-01 Jean-Marc Valin , Jan Skoglund

KV cache compression methods have mainly relied on scalar quantization techniques to reduce the memory requirements during decoding. In this work, we apply residual vector quantization, which has been widely used for high fidelity audio…

Machine Learning · Computer Science 2024-10-22 Ankur Kumar

In this paper, we explore vector quantization for acoustic unit discovery. Leveraging unlabelled data, we aim to learn discrete representations of speech that separate phonetic content from speaker-specific details. We propose two neural…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-20 Benjamin van Niekerk , Leanne Nortje , Herman Kamper

We propose an end-to-end model based on convolutional and recurrent neural networks for speech enhancement. Our model is purely data-driven and does not make any assumptions about the type or the stationarity of the noise. In contrast to…

Sound · Computer Science 2018-05-03 Han Zhao , Shuayb Zarar , Ivan Tashev , Chin-Hui Lee

We propose a linear prediction (LP)-based waveform generation method via WaveNet vocoding framework. A WaveNet-based neural vocoder has significantly improved the quality of parametric text-to-speech (TTS) systems. However, it is…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-05 Min-Jae Hwang , Frank Soong , Eunwoo Song , Xi Wang , Hyeonjoo Kang , Hong-Goo Kang

The residual vector quantization (RVQ) technique plays a central role in recent advances in neural audio codecs. These models effectively synthesize high-fidelity audio from a limited number of codes due to the hierarchical structure among…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-24 Hyeongju Kim , Junhyeok Lee , Jacob Morton , Juheon Lee , Jinhyeok Yang

This paper shows how to reduce the computational cost for a variety of common machine vision tasks by operating directly in the compressed domain, particularly in the context of hardware acceleration. Pyramid Vector Quantization (PVQ) is…

Computer Vision and Pattern Recognition · Computer Science 2016-03-31 Vincenzo Liguori

This paper is focused on nonlinear prediction coding, which consists on the prediction of a speech sample based on a nonlinear combination of previous samples. It is known that in the generation of the glottal pulse, the wave equation does…

Sound · Computer Science 2022-04-01 Marcos Faundez-Zanuy , Enric Monte , Francesc Vallverdú

We propose multi-layer perceptron (MLP)-based architectures suitable for variable length input. MLP-based architectures, recently proposed for image classification, can only be used for inputs of a fixed, pre-defined size. However, many…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-18 Jin Sakuma , Tatsuya Komatsu , Robin Scheibler

This work concerns estimation of multidimensional nonlinear regression models using multilayer perceptron (MLP). The main problem with such model is that we have to know the covariance matrix of the noise to get optimal estimator. however…

Statistics Theory · Mathematics 2008-02-22 Joseph Rynkiewicz

Bitrate scalability is a desirable feature for audio coding in real-time communications. Existing neural audio codecs usually enforce a specific bitrate during training, so different models need to be trained for each target bitrate, which…

Sound · Computer Science 2022-07-08 Xue Jiang , Xiulian Peng , Huaying Xue , Yuan Zhang , Yan Lu

Vision-Language Models (VLMs) achieve outstanding performance, yet their huge model size severely hinders deployment on edge devices with limited resources. As an efficient model compression technique, vector quantization (VQ) excels in…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Zhong Wang , Zukang Xu , Xing Hu , Dawei Yang

This paper deals the combination of nonlinear predictive models with classical LPCC parameterization for speaker recognition. It is shown that the combination of both a measure defined over LPCC coefficients and a measure defined over…

Sound · Computer Science 2022-03-08 Marcos Faundez-Zanuy

Neural vocoders have recently demonstrated high quality speech synthesis, but typically require a high computational complexity. LPCNet was proposed as a way to reduce the complexity of neural synthesis by using linear prediction (LP) to…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-31 Krishna Subramani , Jean-Marc Valin , Umut Isik , Paris Smaragdis , Arvindh Krishnaswamy

Large Language Models (LLMs) with multimodal capabilities have revolutionized vision-language tasks, but their deployment often requires huge memory and computational resources. While post-training quantization (PTQ) has successfully…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Shubhang Bhatnagar , Andy Xu , Kar-Han Tan , Narendra Ahuja

How can we accurately quantize a pre-trained Vision Transformer model? Quantization algorithms compress Vision Transformers (ViTs) into low-bit formats, reducing memory and computation demands with minimal accuracy degradation. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Minjun Kim , Jaeri Lee , Jongjin Kim , Jeongin Yun , Yongmo Kwon , U Kang

In this paper an identification method for state-space LPV models is presented. The method is based on a particular parameterization that can be written in linear regression form and enables model estimation to be handled using…

Optimization and Control · Mathematics 2018-03-28 R. A. Romano , P. Lopes dos Santos , Felipe Pait , T-P Perdicoúlis , José A. Ramos

Neural speech codecs have demonstrated their ability to compress high-quality speech and audio by converting them into discrete token representations. Most existing methods utilize Residual Vector Quantization (RVQ) to encode speech into…

Sound · Computer Science 2024-10-22 Peiji Yang , Fengping Wang , Yicheng Zhong , Huawei Wei , Zhisheng Wang

Large Language Models (LLMs) face significant challenges in edge deployment due to their massive parameter scale. Vector Quantization (VQ), a clustering-based quantization method, serves as a prevalent solution to this issue for its…

Machine Learning · Computer Science 2025-06-27 Yuxuan Yue , Zukang Xu , Zhihang Yuan , Dawei Yang , Jianlong Wu , Liqiang Nie

Perception is a fundamental task in the field of computer vision, encompassing a diverse set of subtasks that can be systematically categorized into four distinct groups based on two dimensions: prediction type and instruction type.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Wentao Xiang , Haoxian Tan , Cong Wei , Yujie Zhong , Dengjie Li , Yujiu Yang