Despite the name, it is unrelated to the bidirectional I²C bus.
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198 views
ADC input to raspberry pi - I2C vs I2S
I'm trying to create a microphone array and take readings into a raspberry pi. I'm having an 8 bit ADC connected to the pi via I2C (SCL and SDA pins). I'm able to read samples (0-255) into my pi using ...
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1answer
69 views
Testing an I2S slave device
i have a MEMS mic with digital I2S output. What is the easiest way to test that my microphone communicates right?
No need to verify the sound, i just need to verify on bit level that communication ...
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votes
1answer
221 views
I2S interface ideas for multiple MEMS microphones
I plan on forming a microphone array with 4 MEMS microphones and doing the signal processing(beamforming) in matlab/C on my PC.
MEMS mics i use have Digital I²S interface with high precision 24 bit ...
1
vote
1answer
157 views
SPDIF digital audio to I2S to USB controller
I'm looking to take a digital S/PDIF audio signal, decode it as necessary, and send it to a USB controller chip configured as a USB Audio Class device so I have plug-and-play with standard OS-provided ...
0
votes
1answer
64 views
CS4234 has two I2S data I/O lines?
I have an application where I'll be sending audio data to a codec. The CS4234 fits my needs very well, although with other I2S codecs, there have only been one data in line for the communication. The ...
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votes
1answer
221 views
i2c Error in using BeagleBone Black with custom audio cape ( using ti's TLV320AIC3107 codec )
I have made custom audio cape using TLV320AIC3107 codec and here is a schematic diagram.
For connection with BeagleBone Black I refer audio cape which is available in market. here is a link: ...
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votes
1answer
77 views
I2S based Codec
I want to drive a small mono-speaker that helps in announcing few messages. I am just learning and doing it now. My board is based on I.MX6, I am interfacing it to a an audio codec TLV320AIC32 via ...
1
vote
0answers
40 views
CS42L52 output PCM?
I have an MCU connected to a CS42L52 codec over I2S and am able to input and output sound with no problems. When I pass the input from the codec, through the MCU, and back to the codec for output, ...
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votes
0answers
52 views
I2S - Choosing the right SCK frequncy for a DAC
I'm currently working with a DIR9001 SPIDF reciever, which takes a SPIDF signal and converts it into I2S (for feeding into a DAC). The datasheet gives me a bunch of options for selecting the system ...
1
vote
1answer
1k views
MCLK in I2S audio protocol
I am working with the I2S audio protocol in one of my projects and I'd like to use it in one of my final projects for a class of mine. Quite honestly though, I don't entirely understand the MCLK ...
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votes
3answers
2k views
I2S to SPI or some other normal interface
I need to get the higest possible precision from an analog to digital convertor (and by high I mean 24bits or more), 10 times per second. To this end I've decided to investigate using an ADC that is ...
