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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 …
Audio Core on DE1-SoC
http://www-ug.eecg.utoronto.ca/desl/nios_devices_SoC/dev_audio.html
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). It is essentially 2 pairs of FIFOs (so 4 in total) each 128 entries deep with each pair responsible for sending/receiving samples to ...
GitHub - jiyeoon/DE1-SOC-audio: DE1-SOC Audio Project
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.
DE1-SoC ALSA Audio | Design Store for Intel® FPGAs
https://fpgacloud.intel.com/devstore/platform/14.1.0/Standard/de1-soc-alsa-audio/
DE1-SoC ALSA Audio. This project contains IP cores and Linux ALSA SOC device drivers to play sound on Terasic's DE1-SoC development board. The long-term goal of the project is to connect multiple external audio DACs to the DE1-SoC, connect the outputs of the DACs to multiple power amplifiers, and implement a digital sound processor with FIR ...
De1 Soc Audio Test · Issue #3 · bsteinsbo/DE1-SoC …
https://github.com/bsteinsbo/DE1-SoC-Sound/issues/3
The DE1_SOC_Linux_Audio directory contains a Quantum project, using IP cores in the cores/i2s directory. This project can be synthesized using Quartus, generating a bitsteam that be can loaded to the FPGA by u-boot before u-boot starts the Linux kernel. This bitstream will implement an i2s interface in the FPGA fabric.
DE1 Development and Education Board User Manual
https://www.intel.com/content/dam/www/programmable/us/en/portal/dsn/42/doc-us-dsnbk-42-4904342209-de1-usermanual.pdf
DE1 Board . This tutorial is available on the DE1 System CD-ROM and from the Altera DE1 web pages. 2. Connect the 7.5V adapter to the DE1 board 3. Connect a VGA monitor to the VGA port on the DE1 board 4. Connect your headset to the Line-out audio port on the DE1 board 5.
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.
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