SIGMA DE2-70 - Manual (Page 80)

DE2-70 User Manual
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Figure 6.9. Block diagram of the Karaoke Machine demonstration.
Demonstration Setup, File Locations, and Instructions
• Project directory: DE2-70_i2sound
• Bit stream used: DE2-70_i2sound.sof or DE2-70_i2sound.pof
• Connect a microphone to the microphone-in port (pink color) on the DE2-70 board
• Connect the audio output of a music-player, such as an MP3 player or computer, to the
line-in port (blue color) on the DE2-70 board
• Connect a headset/speaker to the line-out port (green color) on the DE2-70 board
• Load the bit stream into the FPGA
• You should be able to hear a mixture of the microphone sound and the sound from the music
player
• Press KEY0 to adjust the volume; it cycles between volume levels 0 to 9
Figure 6.10 illustrates the setup for this demonstration.