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help for audio codec using VHDL - Intel Community
https://community.intel.com/t5/Programmable-Devices/help-for-audio-codec-using-VHDL/td-p/79548
If you want to use the Mic, then you have to modify the i2c initialization routine. It is actually simple to do. Read the audio codec datasheet (it should be on your DE2 CD), specifically starting at page 46 where it describes the register map. Figure out the exact register you need to program for mic in. Good luck.
FPGA-Based Design of Controller for Sound Fetching from ...
https://www.ijser.org/researchpaper/FPGA-Based_Design_of_Controller_for_Sound_Fetching_from_Codec_Using_Altera_DE2_Board.pdf
performance with low power consumption. The DE2 board provides high-quality 24-bit audio via the Wolfson WM8731 audio CODEC (enCOder/DECoder). This chip supports microphone-in, line-in, and line-out ports, with a sample rate adjustable from 8 kHz to 96 kHz. The WM8731 is controlled by a serial I2C bus interface, this is connected
Digital Labs using the Altera DE2 Board - John Loomis
https://johnloomis.org/digitallab/
The project controls the LCD, using code adapted from the VHDL code from Hamblen. Reference. DE2 LCD Module Audio CODEC. Project Description; audio1: This lab inputs stereo audio from the line-in phone plug, captures it for inspection (using Signal Tap II), and then outputs it to the line-out phone plug.
vhdl - How to Get Audio Out via the Wolfson WM8731 …
https://stackoverflow.com/questions/29930487/how-to-get-audio-out-via-the-wolfson-wm8731-codec-on-the-altera-de2-115-educatio
This is a good, easy way to do this. Also, take a look at the DE2-115 Media Computer ([altera directory]\University_Program\NiosII_Computer_Systems\DE2-115\DE2-115_Media_Computer\vhdl if you have the University tools installed) for examples on the correct pins and hooking everything up.
Altera DE2 Board
http://www.ece.tufts.edu/~hchang/ee129-f06/project/project2/DE2_UserManual.pdf
DE2 User Manual 8 Audio CODEC • Wolfson WM8731 24-bit sigma-delta audio CODEC • Line-level input, line-level output, and microphone input jacks • Sampling frequency: 8 to 96 KHz • Applications for MP3 players and recorders, PDAs, smart phones, voice recorders, etc. VGA output
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audio - Generate Simple Beep on Altera DE2 Board - Stack ...
https://stackoverflow.com/questions/10324005/generate-simple-beep-on-altera-de2-board
I've been looking online for solutions on how to generate a simple beep with an DE2 Altera board using VHDL but I can not seem to find anything. I've seen some things that are talking about Audio Codec but I haven't been able to get a firm grasp of what I would need to do with it. Thanks a lot!-Will. audio vhdl intel-fpga. Share.
CONTENTS
https://www.intel.com/content/dam/altera-www/global/en_US/portal/dsn/42/doc-us-dsnbk-42-1404062209-de2-115-user-manual.pdf
24-bit CD-quality audio CODEC with line-in, ... entry method used, namely Verilog, VHDL or schematic entry). These tutorials are provided in the directory ... Connect your headset to the line-out audio port on the DE2-115 board. 13 5. Turn the RUN/PROG switch (SW19) on the left edge of the DE2-115 board to RUN position; ...
Audio Controller - eecg.utoronto.ca
https://www.eecg.utoronto.ca/~jayar/ece241_08F/AudioVideoCores/audio/audio.html
The audio controller provides a simple interface to the Audio CODEC chip present on the DE2 board. The controller handles the data transmission to and from the chip. The chip configuration is handled by the separate configuration module. The configuration module must be instantiated separately when using the audio controller.
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