Questions tagged [audio-codec]
The audio-codec tag has no usage guidance.
62
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Dependence of the PWM amplitude of the amplifier on the battery voltage
I'm going to use speaker connected to internal Class D amplifier in WM8998 in my PCB.
Power source of my PCB is Li-Pol battery with 3.2-4.1V range or external 4V adapter.
Audio codec speaker power ...
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1
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How to access I2S pins of Lara R211 on the EVK-R2xx board
I just received the EVK-R2xx board from u blox.
I need to access the i2S pins on the Lara R211 on this board in order to connect it to a beaglebone black so that I can use the audio directly from the ...
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SAI in STM32F4 behaves strange
So I'm trying to connect CS4270 codec to STM32F446RE. I managed to drive DAC part using SAI sublock B, but when I enable sublock A for receiving the sent data becomes corrupted (instead of L R L R on ...
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CS4270 doesn't respond to I2C commands
I connected CS4270 to my ST32F446 nucleo board. Currently only I2C pins are connected, GND, AGND, all 3 power lines and address select pins.
AD0,AD1 and AD2 are connected to GND. (the thing I don't ...
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Problems interfacing PMODI2S2 with STM32H7
Back at it again, however this time not sure what the problem is.
I have a PMODI2S2 device that is an Audio codec. It interfaces with the STM32H753ZI Microcontroller VIA SPI/I2S.
The problem that is ...
- 1,421
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174
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Audio Demos on DE10 Standard not Working
I bought the Terasic DE10 Standard and am having issues trying to run the demos related to audio.
I am trying to run the two demos, DE10_Standard_Audio, and DE10_Standard_i2sound, while connecting ...
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How to connect 5 colored wire headphone to 3.5 TRS jack?
I have a somictone headphone and I want to repair its headphone jack, It contains five colored wires.
Here are the wire and TRS jack.
Please give me a feedback
Can you please tell me how to wire this?...
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How to choose between different equivalent PLL/divider configurations?
If there are multiple ways to get the required clocks for a given CODEC, how do you choose between them?
For example, if a CODEC can accept 64fs, 128fs, 256fs, and has an internal PLL that can ...
- 28.9k
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Wireless Audio transmission (single TX -> single RX): Clock synchronisation/recovery
I am searching for a way to stream an audio signal to a single speaker in the living room. (I do NOT need brodcast to multiple receivers / multiroom)
Audio quality is a major concern, since the ...
- 1,041
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How to interface a microphone to an I2S input to use HFP
For my group's SDP/Capstone we are doing a bluetooth headset of sorts. We are using a CYW20706 SoC from Cypress. Specifically, we are using a this CYBT-343026-01 Cypress module whch includes that ...
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WM8960 on Pi detected but not working
I am trying to create custom board with WM8960 IC with Raspberry Pi. I am able to use Wolfson drivers for pi to detect the IC via I2C but I am not able to play or record any audio. This is the ...
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Difference in output between digital codec and analog filter
I'm working on a project which deals with filtering audio signals with a Low Pass Filter and amplifying the output. Currently, we are solving this using the TLV320AIC3111 audio codec by Texas ...
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Audio codec output detection
I am looking for guidance on audio functionality test over USB audio codec. This audio output serves as Alarm to indicate certain events.
The signal flow is ARM processor USB port --> USB Codec --> ...
- 1,156
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571
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I2S to PDM Conversion
We are looking to use the TLV320AIC3111 audio codec to process some sound data that we are receiving from MP34DT05-A microphone. We then look to transmit the data wirelessly over BLE using the BlueNRG-...
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ESD protection diodes on audio inputs / outputs?
I'm building a digital audio device with 1/4" stereo in and outputs that connect to a CS4272 codec. I'm wondering if and where I should place esd protection diodes.
Pictured below is the analog part ...
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