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Overview :: 1 bit adpcm codec :: OpenCores
https://opencores.org/projects/audio#:~:text=VHDL%20code%20consists%3A%201-bit%20ADPCM%20Decoder%20%28x2%29%2C%20I2S,LED%20Bar%20%28x1%29%2C%20Volume%20and%20Config%20Engine%20%28x1%29.
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.
VHDL Audio Codec - EmbDev.net
https://embdev.net/topic/359097
an audio codev in vhdl is not required in any way, since this should be done in hardware. you only need some configuration of the codec and an input output system with your code in between. Report post Edit Delete Quote selected text Reply Reply with quote
VHDL coding Altera DE1 audio codec chip - Stack Overflow
https://stackoverflow.com/questions/43649829/clock-configuration-vhdl-coding-altera-de1-audio-codec-chip
Clock configuration - VHDL coding Altera DE1 audio codec chip. Ask Question Asked 4 years, 9 months ago. Active 4 years, 8 months ago. Viewed 683 times 0 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.
GitHub - Johnnyjax/WM8731_audio_codec_example: …
https://github.com/Johnnyjax/WM8731_audio_codec_example
VHDL controller code for the WM8731 audio codec and a voice recorder example - GitHub - Johnnyjax/WM8731_audio_codec_example: VHDL controller code for the WM8731 audio codec and a voice recorder example
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
As I said, I used a NIOS processor, still according to my log, the C code I used is: void audio_isr(void* context, alt_u32 id) { const int len = 2682358; static signed char *ptr = test_snd; unsigned int x[128]; alt_up_audio_dev *audio_dev = (alt_up_audio_dev *)context; unsigned int n = alt_up_audio_write_fifo_space(audio_dev, ALT_UP_AUDIO_RIGHT); …
Overview :: 1 bit adpcm codec :: OpenCores
https://opencores.org/projects/audio
Audio Codec(ADPCM 1-Bit) The code is ready for Altera Cyclone-II DE1 Starter board and it is tested, you can modify codes and use them in any project. Core Description: Sampling Frequency: 44100Hz Channels: Stereo Bit-rate: 1 Bit Per Sample(So it is: 44.1 * 2 = 88.2kbps) Compression Ratio: 16:1 VHDL code consists:
Using FPGA's for audio processing - jaeblog jaeblog
https://justanotherelectronicsblog.com/?p=402
The code to sample in data is the I2S_Decoder.vhd file. It takes in the serial clock (SCLK), Word select (LRCLK) and audio data (SDIN) and outputs the audio data and a signal data is ready. It does so by waiting for a change in the word select line.
Zybo board AUDIO CODEC - FPGA - Digilent Forum
https://forum.digilentinc.com/topic/585-zybo-board-audio-codec/
We are currently two students trying to use the Audio chip (SSM2603) on the Zybo board. Currently we are unsure on how to generate a proper block design (IP) that would allow us to generate a bitstream and take in input from the mic line and send out that audio output. We were also wondering what VHDL code was used for the audio codec package.
fpga - How to generate sound in VHDL - Electrical ...
https://electronics.stackexchange.com/questions/221186/how-to-generate-sound-in-vhdl
I'm new to FPGA and VHDL. I'm working on lab practical and for the practical we were already given file that has an I2C codec and the basics for the codec registers were already done but I found the given files were too complicated and I couldn't understand it; they were things like slave and masters. So I decided to follow an online tutorial.
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