这个函数也要被melcepst函数调用，用来进行计算Mel倒谱系数。这个函数的作用是构造mel滤波器组。-This function must be melcepst function call is used to calculate Mel cepstral coefficients. The role of this function is to construct a mel filter bank.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001008s ]
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:0.082888s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001387s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002081s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001350s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005752s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001304s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.006725s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018866s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001238s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 321808 [ RunTime:0.015067s ]
