这段时间终于把手头的东西都搞完了,还剩下一个AEC这个模块,这个模块跟整个系统机制有很大关系,单独的模块意义不大. 另外,刚写完一个分类器,希望能大幅提升音乐流派分类的准确率. 下周正式开搞AEC,把之前做的一些事情记录一下. https://en.wikipedia.org/wiki/Dynamic_range_compression Downward compression reduces loud sounds over a certain threshold while quiet so…

solution 1: <Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" useSendfile="false" compression="on" compressionMinSize="2048" noCompressionUserA…

This technique should apply to both normal video (consequtive sequences of pictures of real world) and animations (sequences of images drawn by human or generated by computer) This technique is supposed to perform better in lossy compression and by d…

测试服务器(centos6.5)经过一段时间的折腾,有一天在上面进行yum操作时突然出现下面的报错: Error: xz compression not available 最后经过一番排查,发现原因是之前安装软件时错误安装了centos7版本的软件,软件版本不兼容,这才导致了yum不可用. 解决措施: 首先查看/root/install.log安装日志,找出版本不兼容软件,然后将其卸载就ok了. 另外:如果因为安装epel导致此类问题,可以进行如下删除操作: # rm -rf /etc/yum…

传送门 time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Little Petya is now fond of data compression algorithms. He has already studied gz, bz, zip algorithms and many others. Inspired by the…

http://www.html5rocks.com/en/tutorials/speed/img-compression/ Types of compression algorithms There are generally two stages in an image compressor, a lossy phase, and lossless phase. Lossy compression algorithms will modify the source stream such th…

String Compression Time Limit:3000MS     Memory Limit:0KB     64bit IO Format:%lld & %llu Submit Status Practice UVA 1351 Appoint description:  System Crawler  (2015-08-21) Description   Run Length Encoding(RLE) is a simple form of compression. RLE c…

安装phpcms过程中,会遇到Warning:  ob_start() : output handler 'ob_gzhandler conflicts with 'zlib output compression'  in ....57 行,解决办法是在第五十七行ob_start('ob_gzhandler');前面加上一句ob_end_clean();这样安装就能成功了.…

最近做了一个关于数据压缩的项目,要把整个SQL SERVER服务器下所有的表对象要改成页压缩.于是趁此机会了解了一下SQL SERVER下压缩技术. 这篇文章几乎就是完全指导手册了 https://technet.microsoft.com/en-us/library/dd894051(v=sql.100).aspx 当然这里还有技术wiki page https://msdn.microsoft.com/en-us/library/cc280449.aspx 那看了这么多,这里总结一下: 1)…

背景: 虚拟机centos下安装python辅助工具 setuptools报错,错误信息大概如下: Traceback (most recent call last): File "setup.py", line 94, in <module> scripts = scripts, File "/usr/local/lib/python2.7/distutils/core.py", line 152, in setup dist.run_commands…