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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
Overhauls vaccine schedule
Police chief abruptly retires
Michael Schumacher dies
Debuts weight-loss pill in US
Minneapolis ICE crackdown
Refused rooms to ICE agents?
Hockey Hall of Famer dies
US sues 2 California cities
NRA sues its foundation
Avalanche kills snowmobiler
Moving HQ to Plano
Pentagon to demote Kelly
Judge rejects McIver's bid
Flu activity climbs in US
Ex-bus aide pleads guilty
Strong quake strikes Japan
Damage reported at home
Warriors coach ejected
Ethics panel probes Collins
Maduro pleads not guilty
Walz drops reelection bid
Finalizes 1-yr deal w/ Giants
Suspects plead not guilty
Swiss bar fire victims ID'd
$7M cocaine bust in Indiana
Sworn in as interim pres
Defends US at UN
Package prompts evacuation
Humanoid robot Atlas debut
Votes to dissolve organization
Court: US can't slash funding
Raiders fire coach Carroll
Spared from prison time
Israeli strikes in Lebanon
Seek improved ties
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