Altera DE1-SoC - Page 66

DE1-SoC User Manual
65
www.terasic.com
March 14, 2014
Figure 5-4 Block diagram of the Karaoke machine demonstration
 Demonstration Setup, File Locations, and Instructions
 Project directory: DE1_SOC_i2sound
 Bitstream used: DE1_SOC_i2sound.sof
 Connect a microphone to the microphone-in port (pink color)
 Connect the audio output of a music player, such as a MP3 player or computer, to the
line-in port (blue color)
 Connect a headset/speaker to the line-out port (green color)
 Load the bitstream into the FPGA by executing the batch file ‘DE1_SOC_i2sound’ in
the directory DE1_SOC_i2sound\demo_batch
 Users should be able to hear a mixture of microphone sound and the sound from the
music player
 Press KEY0 to adjust the volume; it cycles between volume level 0 to 9
Figure 5-5 illustrates the setup for this demonstration.
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