{"title":"L/sub 1/和L/sub 2/归一倒谱距离控制失真性能(语音质量)","authors":"J. Schroeder, R. Kubichek","doi":"10.1109/PACRIM.1991.160676","DOIUrl":null,"url":null,"abstract":"The behavior of the CD (cepstral distance) is studied under serveral types of controlled distortion. In addition, CD values are computed from both L/sub 1/ and L/sub 2/ normed LPC (linear predictive coding) models; these results are compared and discussed. The analysis indicates that the L/sub 1/-based CD is more robust than more typical L/sub 2/-based solutions, especially when impulsive-type noise is present. The CD does not appear to be effective for echo-type distortions. However, it provided monotonic behavior for other impairments such as added noise, clipping and low-pass filtering.<<ETX>>","PeriodicalId":289986,"journal":{"name":"[1991] IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Conference Proceedings","volume":"34 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1991-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"L/sub 1/ and L/sub 2/ normed cepstral distance controlled distortion performance (speech quality)\",\"authors\":\"J. Schroeder, R. Kubichek\",\"doi\":\"10.1109/PACRIM.1991.160676\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The behavior of the CD (cepstral distance) is studied under serveral types of controlled distortion. In addition, CD values are computed from both L/sub 1/ and L/sub 2/ normed LPC (linear predictive coding) models; these results are compared and discussed. The analysis indicates that the L/sub 1/-based CD is more robust than more typical L/sub 2/-based solutions, especially when impulsive-type noise is present. The CD does not appear to be effective for echo-type distortions. However, it provided monotonic behavior for other impairments such as added noise, clipping and low-pass filtering.<<ETX>>\",\"PeriodicalId\":289986,\"journal\":{\"name\":\"[1991] IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Conference Proceedings\",\"volume\":\"34 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1991-05-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"[1991] IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Conference Proceedings\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/PACRIM.1991.160676\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"[1991] IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Conference Proceedings","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PACRIM.1991.160676","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The behavior of the CD (cepstral distance) is studied under serveral types of controlled distortion. In addition, CD values are computed from both L/sub 1/ and L/sub 2/ normed LPC (linear predictive coding) models; these results are compared and discussed. The analysis indicates that the L/sub 1/-based CD is more robust than more typical L/sub 2/-based solutions, especially when impulsive-type noise is present. The CD does not appear to be effective for echo-type distortions. However, it provided monotonic behavior for other impairments such as added noise, clipping and low-pass filtering.<>
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