提供对标准.wav文件的解析。处理了wave文件的头部和数据段，分别读取到一个缓冲区中，并且提取出波特率、采样位数等信息。-standard of wave file analyzing.do with wave file head and data segment, reading to each cache, and pick up baud,sampling rate, etc. info.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001026s ]
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:0.076497s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001344s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001982s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001328s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004358s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000799s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003741s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.019277s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001064s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 289910 [ RunTime:0.014934s ]
