audio line

Call start () to begin playback and drain () to wait until the playback is complete , and close () to release the audio line .

调用start（）开始播放，drain（）等待播放完成，close（）释放音频线路。

SD card reader and configure the USB interface , user can pass throw in audio line will be it with computers , music , play device to connect .

配置了SD读卡器及USB接口，用户可以通过附赠的音频线将它与电脑等设备连接，播放音乐。

Another use is a stereo music player , in the past , conventional wired headphones are restricted brain space , nor beautiful . Through the Bluetooth headset which could get rid of the restricted audio line , people can listen to stereo music .

另一个用途是立体声音乐的播放，通过蓝牙耳机收听立体声音乐就可以彻底摆脱音频线的束缚。

A Deep FIFO Design for Video and Audio Delay Line Device

视音频延时器用大容量FIFO的设计

A design of deep FIFO for video and audio delay line device is introduced . The deep FIFO is implemented by using SDRAM instead of dual port RAM , and a dual port SDRAM controller is implemented by FPGA .

介绍视音频延时器用大容量FIFO的设计，大容量FIFO的设计采用了SDRAM代替双口RAM，并采用FPGA设计双口SDRAM控制器。