
Figure 3.12. Audio Recording and Saving as a WAV file.
To record audio sound from LINE-IN port, please connect an audio source to the LINE-IN port on the board. The operation is as same as recording audio from MIC.
3.9 Overall Structure of the DE2-70 Control Panel
The
To run the Control Panel, users must first configure it as explained in Section 3.1. Figure 3.13 depicts the structure of the Control Panel. Each input/output device is controlled by the NIOS II Processor instantiated in the FPGA chip. The communication with the PC is done via the USB Blaster link. The NIOS II interprets the commands sent from the PC and performs the corresponding actions.
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