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MPEG CODEC FPGA Chipsets - SOC Technologies
https://www.soctechnologies.com/chipsets
MPEG CODEC Chipsets. (MPEG video/audio CODEC as pre-configured FPGA+flash chipset) SOC Technologies provides a series of CODEC chipsets, the SOC-Mcodec family, that can be dropped onto user PCBs as ASIC video encoders and …
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.
Headset SoCs | Synaptics
https://www.synaptics.com/products/digital-headset-soc
Headset SoCs Synaptics’ headset product line features a wide range of audio codec and SoC solutions to meet the needs of various applications whether in-ear, over-ear, or on-ear; wired, wireless, or truly wireless. Our audio solutions enable customers to develop differentiated headsets for premium audio and voice experiences.
ASoC Codec Class Driver — The Linux Kernel …
https://www.kernel.org/doc/html/v4.14/sound/soc/codec.html
ASoC Codec Class Driver¶. The codec class driver is generic and hardware independent code that configuresthe codec, FM, MODEM, BT or external DSP to provide audio capture and playback. It should contain no code that is specific to the target platform or machine. All platform and machine specific code should be added to the platform andmachine drivers respectively.
ALSA SoC Layer Overview — The Linux Kernel …
https://www.kernel.org/doc/html/latest/sound/soc/overview.html
ALSA SoC Layer Overview¶ The overall project goal of the ALSA System on Chip (ASoC) layer is to provide better ALSA support for embedded system-on-chip processors (e.g. pxa2xx, au1x00, iMX, etc) and portable audio codecs. Prior to the ASoC subsystem there was some support in the kernel for SoC audio, however it had some limitations:-
CX20671 Datasheet - Low-Power Codec SoC - Conexant
http://www.datasheetcafe.com/cx20671-datasheet-codec-conexant/
Description. Conexant’s CX20671 HD Audio codec SoC is a low-power,102 dB SNR, high performance audio codec with integrated 2-WRMS (per channel) stereo speaker amplifier with Spread Spectrum EMI dispersion technology. Two independent pairs of DACs and three independent pairs of ADCs support Multi-Streaming and Real Time Communications …
ASoC: Supporting Audio on an Embedded Board
https://elinux.org/images/b/b5/Belloni-alsa-asoc.pdf
codec configuration usually happens on a simple serial bus, I2C or SPI. SoC DAI: the SoC Digital Audio Interface. sometimes called synchronous serial interface provides audio data to the codec formats are usually AC97, I2S, PCM (TDM, network mode), DSP …
Audio Tutorial - UWECE
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 …
Altera University Program Audio core
https://people.ece.cornell.edu/land/courses/ece5760/DE1_SOC/Audio_core.pdf
The Audio core interacts with the Audio CODEC (enCOder/DECoder) on the Altera DE-series boards and provides an interface for audio input and output. 2Functional Description The Audio core facilitates the transfer of audio data with the Audio CODEC chip on the Altera DE-series boards. Data is transferred serially between the FPGA and the CODEC.
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