63
Figure 5-3 Block diagram of the audio recorder and player
Demonstration Setup, File Locations, and Instructions
Hardware Project directory: DE1_SoC _Audio
Bit stream used: DE1_SoC _Audio.sof
Software Project directory: DE1_SoC _Audio\software
Connect an Audio Source to the LINE-IN port of the DE1-SoC board.
Connect a Microphone to MIC-IN port on the DE1-SoC board.
Connect a speaker or headset to LINE-OUT port on the DE1-SoC board.
Load the bit stream into FPGA. (note *1)
Load the Software Execution File into FPGA. (note *1)
Configure audio with the Slide switches SW0 as shown in
Table 5-1
.
Press KEY3 on the DE1-SoC board to start/stop audio recording (note *2)
Press KEY2 on the DE1-SoC board to start/stop audio playing (note *3)
Table 5-1 Slide switches usage for audio source
Slide Switches
0
– DOWN Position
1
– UP Position
SW0
Audio is from MIC
Audio is from LINE-IN