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摘要: https://www.paulinternet.nl/?page=bicubic Cubic interpolation If the values of a function f(x) and its derivative are known at x=0 and x=1, then the f 阅读全文
posted @ 2018-11-20 22:09 fellow_jing 阅读(860) 评论(0) 推荐(0)
摘要: soundtouch变速主要采用WSOLA算法来进行变速。 http://www.surina.net/soundtouch/ https://blog.csdn.net/suhetao/article/details/5863477 The principle of WSOLA refer to 阅读全文
posted @ 2018-11-17 23:24 fellow_jing 阅读(1045) 评论(0) 推荐(0)
摘要: 使用线性插值实现sample rate转换。 function output = simpleResample(input, inputfs, outputfs) inputLen = length(input(:, 1)); outputLen = floor(inputLen * outputf 阅读全文
posted @ 2018-11-04 22:06 fellow_jing 阅读(4268) 评论(0) 推荐(0)
摘要: 将5.1 ch的数据经过hrtf处理,然后downmix到2ch,使得2ch的数据有virtual surround的效果。 function output = hrir_process(input) hrtf = load("E:\CIPIC_hrtf_database\standard_hrir 阅读全文
posted @ 2018-10-25 22:22 fellow_jing 阅读(1163) 评论(0) 推荐(0)
摘要: 原理参考: http://www.mahong.me/archives/97 将音频分段,各个段分别使用hrtf在Ls, L, R, Ls, Rrs, Lrs位置处的filter系数。是声音听起来来自Ls, L, R, Rs, Rrs, Lrs,就有旋转效果。 hrtf = load("E:\CIP 阅读全文
posted @ 2018-10-24 22:58 fellow_jing 阅读(1675) 评论(0) 推荐(0)
摘要: https://blog.csdn.net/jeffasd/article/details/77155187 https://blog.csdn.net/jeffasd/article/details/77335874?utm_source=blogxgwz2(视频会议中混音后溢出问题的研究及解决方 阅读全文
posted @ 2018-10-21 22:34 fellow_jing 阅读(463) 评论(0) 推荐(0)
摘要: 原理参考:Natural sounding artificial reverberation combFilter.m: function output = combFilter(delay, gain, input) fs = 48000; delaySample = int32(delayTim 阅读全文
posted @ 2018-10-16 23:15 fellow_jing 阅读(1069) 评论(0) 推荐(0)
摘要: https://blog.csdn.net/qiumingjian/article/details/43938687 https://blog.csdn.net/jsjwangmingmin/article/details/58095888 https://wenku.baidu.com/view/ 阅读全文
posted @ 2018-10-09 22:59 fellow_jing 阅读(914) 评论(0) 推荐(0)
摘要: 原理参考: https://www.cnblogs.com/fellow1988/p/9189338.html https://www.cnblogs.com/fellow1988/p/9136346.html 实现代码: 阅读全文
posted @ 2018-10-06 15:23 fellow_jing 阅读(666) 评论(0) 推荐(1)
摘要: 原始频谱: LPF: HPF: 代码: 阅读全文
posted @ 2018-09-21 23:25 fellow_jing 阅读(1274) 评论(0) 推荐(0)
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