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1. Research on Lightweight Based on HiFi-GAN Model | |||
Gao Bin, Bie Hong-Xia | |||
Electrics, Communication and Autocontrol Technology 08 April 2024 | |||
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Abstract:The HiFi-GAN model combines audio with high efficiency and high fidelity in speech synthesis, but its huge model parameters and calculations make it difficult to store, deploy, and perform real-time computing on limited-resource devices. There are relatively few studies on the compression and acceleration of HiFi-GAN models, while the need for real-time speech synthesis on mobile devices and edge devices is very extensive. This paper studies the lightweighting method of HiFi-GAN model to realize the network compression and deploy on the hardware platform. The main research and results of the paper are as follows: Aiming at the problems of high computing and storage resource consumption and complex structure in the inference stage of HiFi-GAN, this paper proposes a compression method combining knowledge distillation and architecture search according to its network structure. In this method, the resBlock layer of the HiFi-GAN model is convolutional decomposed to obtain a relatively compact student model, and the designed training objective scheme is used for distillation learning. After that, this student network is used as a "one-time" network for architecture search, and finally the compact optimal sub-student model is obtained. Experiments show that this method significantly compreses the size of the HiFi-GAN model and reduces the amount of computation, and generates good speech quality PESQ values on both the single speaker LJSpeech dataset and the unknown speaker VCTK dataset. | |||
TO cite this article:Gao Bin, Bie Hong-Xia. Research on Lightweight Based on HiFi-GAN Model[OL].[ 8 April 2024] http://en.paper.edu.cn/en_releasepaper/content/4763318 |
2. Telephones System Based Microphone Arrays | |||
JU Tailiang,Lin Jingran,Peng Qicong | |||
Electrics, Communication and Autocontrol Technology 28 January 2011 | |||
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Abstract:Telephone system based microphone arrays has been a very active research field in recent years. The key technology includes beamformers,acoustic echo cancellers ,combining methods, and etc. In this paper, the key algorithms are discussed, and a cascaded system structure is presented. The structure is composed of a multi-channel AECs, delay and sum beamformer and single channel AECs. The simulation result shows that this structure has high performance and low computational complexity. | |||
TO cite this article:JU Tailiang,Lin Jingran,Peng Qicong. Telephones System Based Microphone Arrays[OL].[28 January 2011] http://en.paper.edu.cn/en_releasepaper/content/4409601 |
3. Implementation of iLBC Codec Algorithm on DSP | |||
Huang Sai | |||
Electrics, Communication and Autocontrol Technology 21 January 2009 | |||
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Abstract:This thesis is to investigate the ILBC codec algorithm and expects to implement ILBC codec on a fixed-point digital signal processor.Due to the limited resource of the DSP chip. The implementation was in two steps, first make the floating point to fixed-point conversion in C with optimization. Then translate the C to DSP assembly codes. In the process, three level of optimization was made, the algrithrom level, the Fixed Pointed C level, and the assembly language level. Each Level had made great contribution to improve the performance of the fixed point implementation of the codec. Finally, the optimized assembly codes are successfully used in AR1688 based VOIP devices, satisfying the real-time needs. | |||
TO cite this article:Huang Sai. Implementation of iLBC Codec Algorithm on DSP[OL].[21 January 2009] http://en.paper.edu.cn/en_releasepaper/content/28165 |
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