对16bit的WindowPCM的语音文件进行压缩为4BIT的文件,压缩率约为75％,可大幅缩减所占用的空间.-The WindowPCM of 16bit audio files for 4bit compressed files, compression rate is about 75, can be substantially reduced by the space occupied.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001253s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.087838s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001203s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001876s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001202s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003553s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001015s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003247s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014201s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001236s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 248819 [ RunTime:0.001189s ]
