在linux系统采集音频数据并保存为wav文件，发了好长时间才调通的。默认时间为15秒，可稍加修改无限录音保存。-Under linux capture data from the audio and save to the wave file.

inemo程序，采集传感器数据保存到TF卡-inemo program, collecting sensor data is saved to TF card

通过v4l2实现usb摄像头的数据采集,保存为一张bmp图片-Usb camera v4l2 achieved through data collection, save it as a bmp picture

android底层调用摄像头，并将摄像头采集的yuyv数据保存为rgb8，即256灰度图。android上面接口提供一个保存地址和名字，如"/Sdcard/rgb8.bmp"-android underlying call camera, and the camera acquisition yuyv data is saved as rgb8, that is 256 grayscale. android interface provides a preservation above addr