
Figure 6.9. Block diagram of the Karaoke Machine demonstration.
Demonstration Setup, File Locations, and Instructions
•Project directory: 
•Bit stream used: DE2-70_i2sound.sof  or DE2-70_i2sound.pof 
•Connect a microphone to the 
•Connect the audio output of a 
•Connect a headset/speaker to the 
•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.
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