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22 年
- 例程难度:
本例程的功能是在播放音乐的同时将麦克风收录的声音先进行回声消除,然后存储到 microSD 卡中。 本例程有两条管道,第一条管道读取 flash 中的 MP3 音乐文件并播放;第二条管道是录音的过程,读取到的数据经过 AEC、AGC、NS 算法处理,再编码成 WAV 格式,最后 ...
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今日热点
Michael Schumacher dies
Finalizes 1-yr deal w/ Giants
Votes to dissolve organization
Overhauls vaccine schedule
Raiders fire coach Carroll
Judge rejects McIver's bid
Spared from prison time
Pentagon to demote Kelly
Walz drops reelection bid
Defends US at UN
Bluefin tuna sells for $3.2M
Swiss bar fire victims ID'd
$7M cocaine bust in Indiana
Package prompts evacuation
Court: US can't slash funding
Pilot killed in plane crash
Damage reported at home
Protests outside NY jail
Browns fire head coach
Cyberbullying case ruling
Israeli strikes in Lebanon
Debuts weight-loss pill in US
Seek improved ties
Humanoid robot Atlas debut
Maduro pleads not guilty
Holocaust survivor dies
To return as Giants GM
Suspects plead not guilty
US sues 2 California cities
NRA sues its foundation
Sworn in as interim pres
Joins Phillies as bench coach
Warriors coach ejected
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