DE2-70 User Manual

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.

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Sigma manual Bit stream used DE2-70i2sound.sof or DE2-70i2sound.pof