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MP3 fixed-point encoder test

Because MT7628AN without FPU, we choice a fixed-point MP3 encoder [1]
Test device 1 cubieboard2 Linux 3.4.79 A llwinner A20:
Test device 2 Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz Linux 3.16.0:

Test device 3 WRTnode2P:

Test device 4 WRTnode2R:

Test device 5 WRTnode:

Testing method
Encoding the same wav file copy by the 5 devices using the fixed-encoder

Power consuming

Power on, WiFi off: around 3.3v*140mA
Power on, WiFi on, ordinary WiFi throughput: around 3.3v*200mA
Power on, WiFi on, max WiFi throughput: around 3.3v*300mA

Thanks of reading, any technical problem pls mail: 
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