{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,28]],"date-time":"2026-03-28T09:12:31Z","timestamp":1774689151112,"version":"3.50.1"},"reference-count":30,"publisher":"Wiley","license":[{"start":{"date-parts":[[2022,5,9]],"date-time":"2022-05-09T00:00:00Z","timestamp":1652054400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Youth Foundation of China","doi-asserted-by":"crossref","award":["11804068"],"award-info":[{"award-number":["11804068"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Youth Foundation of China","doi-asserted-by":"crossref","award":["LH2020F033"],"award-info":[{"award-number":["LH2020F033"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100005046","name":"Natural Science Foundation of Heilongjiang Province","doi-asserted-by":"publisher","award":["11804068"],"award-info":[{"award-number":["11804068"]}],"id":[{"id":"10.13039\/501100005046","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100005046","name":"Natural Science Foundation of Heilongjiang Province","doi-asserted-by":"publisher","award":["LH2020F033"],"award-info":[{"award-number":["LH2020F033"]}],"id":[{"id":"10.13039\/501100005046","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Sensors"],"published-print":{"date-parts":[[2022,5,9]]},"abstract":"<jats:p>The speech enhancement effect of traditional deep learning algorithms is not ideal under low signal-to-noise ratios (SNR). Skip connections-deep neural network (Skip-DNN) improves the traditional deep neural network (DNN) by adding skip connections between each layer of the neural network to solve the degradation problem of DNN. In this paper, the Multiresolution Cochleagram (MRCG) features in the gammachirp transform domain are denoised to obtain the improved MRCG (I-MRCG). The noise reduction method adopts the Minimum Mean-Square Error Short-Time Spectral Amplitude Estimator (MMSE-STSA) and takes I-MRCG as the input feature and Skip-DNN as the training network to improve the speech enhancement effect of the model. This paper also proposes an improved source-to-distortion ratio (SDR) loss function. When the loss function uses the improved SDR, it will improve the performance of Skip-DNN speech enhancement model. The experiments in this paper are performed on the Edinburgh dataset. When using I-MRCG as the input feature of Skip-DNN, the average perceptual evaluation of speech quality (PESQ) is 2.9137, and the average short-time objective intelligibility (STOI) is 0.8515. Compared with MRCG as Skip-DNN input features, the improvements are 0.91% and 0.71%, respectively. When the improved SDR is used as the loss function of the speech model, the average PESQ is 2.9699 and the average STOI is 0.8547. Compared with other loss functions, the improved SDR has a better enhancement effect when used as the loss function of the speech enhancement model.<\/jats:p>","DOI":"10.1155\/2022\/5208372","type":"journal-article","created":{"date-parts":[[2022,5,9]],"date-time":"2022-05-09T20:20:15Z","timestamp":1652127615000},"page":"1-15","source":"Crossref","is-referenced-by-count":5,"title":["Research on Speech Enhancement Algorithm of Multiresolution Cochleagram Based on Skip Connection Deep Neural Network"],"prefix":"10.1155","volume":"2022","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4667-0635","authenticated-orcid":true,"given":"Chaofeng","family":"Lan","sequence":"first","affiliation":[{"name":"College of Measurement and Communication Engineering, Harbin University of Science and Technology, Harbin 150080, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1285-4295","authenticated-orcid":true,"given":"YuQiao","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Measurement and Communication Engineering, Harbin University of Science and Technology, Harbin 150080, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3594-0778","authenticated-orcid":true,"given":"Lei","family":"Zhang","sequence":"additional","affiliation":[{"name":"Beidahuang Industry Group General Hospital, Harbin 150088, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1181-1338","authenticated-orcid":true,"given":"Chundong","family":"Liu","sequence":"additional","affiliation":[{"name":"College of Measurement and Communication Engineering, Harbin University of Science and Technology, Harbin 150080, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1493-3915","authenticated-orcid":true,"given":"Xiaojia","family":"Lin","sequence":"additional","affiliation":[{"name":"College of Measurement and Communication Engineering, Harbin University of Science and Technology, Harbin 150080, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.3390\/s21217025"},{"issue":"1","key":"2","doi-asserted-by":"crossref","first-page":"2250008","DOI":"10.1142\/S0219477522500080","article-title":"Enhancing speech quality using artificial bandwidth expansion with deep shallow convolution neural network framework","volume":"21","author":"N. 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