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Audio Tutorial - University of Washington
https://class.ece.uw.edu/271/hauck2/de1/audio/Audio_Tutorial.pdf
The Audio Hardware The DE1_SoC has three audio jacks: a line out, a line in, and a microphone jack. In this tutorial, only the line out and microphone in are used. The jacks interface with a Wolfson WM8731 audio CODEC (coder / decoder) chip. This chip has ADCs (analog to …
Problem: DE1-SoC Audio Codec - Intel Communities
https://community.intel.com/t5/Intel-FPGA-University-Program/Problem-DE1-SoC-Audio-Codec/m-p/199854
While searching for a solution, in the DE1-SoC user manual, in the audio codec section I noticed that if the HPS_I2C_CONTROL signal is set to 1, the HPS is connected to the peripheral and not the FPGA, so this might be the problem, infact i checked the default status of the HPS_I2C_CONTROL by connecting it to a LED and it appears to be high.
DE1-SoC User Manual www.terasic - Intel
https://www.intel.com/content/dam/www/programmable/us/en/portal/dsn/42/doc-us-dsnbk-42-1004282204-de1-soc-user-manual.pdf
interconnect backbone. The DE1-SoC development board is equipped with high-speed DDR3 memory, video and audio capabilities, Ethernet networking, and much more that promise many exciting applications. The DE1-SoC Development Kit contains all the tools needed to use the board in conjunction with a
Need help to configure the audio CODEC (WM8731) on DE1-SoC ...
https://community.intel.com/t5/Nios-II-Embedded-Design-Suite/Need-help-to-configure-the-audio-CODEC-WM8731-on-DE1-SoC-board/m-p/667285
At very first step, the audio CODEC should be configured before using the audio core, and I face the problem. I was making the Qsys project with audio core base on the GHRD. I created the C project in ARM DS-5. Follow the datasheet, in order to make the HPS access to the audio CODED, the signal of HPS_I2C_CONTROL need to set high.
VHDL coding Altera DE1 audio codec chip - Stack Overflow
https://stackoverflow.com/questions/43649829/clock-configuration-vhdl-coding-altera-de1-audio-codec-chip
I am working on a project where I am required to code the WM8731 audio codec chip on the Altera DE1 board. The project is very basic. It does not need to process the input audio signals. The signal from the input should be directly relayed to the output. The main task is to set up the codec chip via the I2C protocol.
jiyeoon/DE1-SOC-audio: DE1-SOC Audio Project - GitHub
https://github.com/jiyeoon/DE1-SOC-audio
The DE1-SoC board is equipped with an audio CODEC capable of sampling sound from a microphone and providing it as input to a circuit. By defalut, the CODEC provides 48000 samples, which is sufficient to accurately represent audible sounds. Notes IMPORTANT : Must write to both left and right FIFOs.
Audio Core on DE1-SoC - University of Toronto
http://www-ug.eecg.utoronto.ca/desl/nios_devices_SoC/dev_audio.html
Audio Core on DE1-SoC Audio Core The Audio Core is a circuit which simplifies communication between the Nios II processor and the Audio CODEC responsible for converting sound into digital values (enCOding) and vice versa (DECoding).
Altera University Program Audio core
https://people.ece.cornell.edu/land/courses/ece5760/DE1_SOC/Audio_core.pdf
some required settings of the audio CODEC chip on the DE2/DE1 boards. Refer to the Audio and Video Config documentation for more information on properly intializing the audio codec. R The user must also instantiate the Audio Clock for DE-series Boards core and choose the proper audio clock setting for the Audio core.
Tutorial: Playing audio through WM8731 using Terasic …
https://www.youtube.com/watch?v=zzIi7ErWhAA
In this video I will show you how to configure WM8731 audio codec and output some music through it using Terasic DE10-Standard development board.Github: htt...
WM8731 DS DATASHEET - 1021810 - 1 - 4.8 - 1
https://class.ece.uw.edu/371/peckol/doc/DE1_SoC/Datasheet/Audio%20CODEC/WM8731.pdf
stereo CODECs with an integrated headphone driver. The WM8731/L is designed specifically for portable MP3 audio and speech players and recorders. The WM8731 is also ideal for MD, CD-RW machines and DAT recorders. Stereo line and mono microphone level audio inputs are provided, along with a mute function, programmable line
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