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A Generative Adversarial Net-Based Bandwidth Extension Method for Audio Compression
Huang, Qingbo1,2; Liu TJ(刘铁军)2; Wu XH(吴玺宏)1; Qu TS(曲天书)1
Department水下机器人研究室
Source PublicationJOURNAL OF THE AUDIO ENGINEERING SOCIETY
ISSN1549-4950
2019
Volume67Issue:12Pages:986-993
Indexed BySCI ; EI
EI Accession number20200508105153
WOS IDWOS:000505043700007
Contribution Rank1
Funding OrganizationState Key Laboratory of Robotics [2018-O09] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [61175043, 61421062] ; High Performance Computing Platform of Peking University
Abstract

The high frequency components of the audio signal are often truncated during the encoding processing by a lossy codec. To avoid the sound quality degradation, the high frequency components are reconstructed during the decoding processing. This paper presents a new bandwidth extension method for audio compression. Frequency components of 6.9 -13.8 kHz are added using side information at 2 kbps. A generative neural network in the GAN is used to estimate relationship between the MDCT spectrum in the high frequency part and the low frequency part, and it is evaluated by a discriminant network in the GAN to get a more natural result. On this basis, a codec system is built up. The MUSHRA experiments show that the proposed method is comparable with SBR in HE-AAC.

Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/26182
Collection水下机器人研究室
Corresponding AuthorQu TS(曲天书)
Affiliation1.Peking Univ, Speech & Hearing Res Ctr, Minist Educ, Key Lab Machine Percept, Beijing, Peoples R China
2.Chinese Acad Sci, Shenyang Inst Automat, State Key Lab Robot, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Huang, Qingbo,Liu TJ,Wu XH,et al. A Generative Adversarial Net-Based Bandwidth Extension Method for Audio Compression[J]. JOURNAL OF THE AUDIO ENGINEERING SOCIETY,2019,67(12):986-993.
APA Huang, Qingbo,Liu TJ,Wu XH,&Qu TS.(2019).A Generative Adversarial Net-Based Bandwidth Extension Method for Audio Compression.JOURNAL OF THE AUDIO ENGINEERING SOCIETY,67(12),986-993.
MLA Huang, Qingbo,et al."A Generative Adversarial Net-Based Bandwidth Extension Method for Audio Compression".JOURNAL OF THE AUDIO ENGINEERING SOCIETY 67.12(2019):986-993.
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