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Remove audio feedback with ad1940(dsp)

leemaster

Hi everyone

It is currently designed with 4 microphone inputs and 2 line outputs.

DSP CHIP AD1940 (4 mic inputs) + (1 line output feedback input) = 5 total.

I'm testing with SIGMASTUDIO and it's not working.

1. IN/OUT MUTE when there is no microphone…
- 5 months ago
- SigmaDSP Processors and SigmaStudio Development Tool
- Q&A
ad1940 .

keheng

Can this chip be upgraded with better sound quality?
- 6 months ago
- 11/19/2020 Short Circuit Protection for SiC with Isolated Gate Drivers
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RE: AD1940

EZAdministrator

This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

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- over 3 years ago
- SigmaDSP Processors and SigmaStudio Development Tool
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RE: ad1940 slewram problem

EZAdministrator

This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

Thank you,
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- over 3 years ago
- SigmaDSP Processors and SigmaStudio Development Tool
- Q&A
RE: AD1940,ADAU1446 - Output noise

EZAdministrator

This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

Thank you,
…
- over 3 years ago
- SigmaDSP Processors and SigmaStudio Development Tool
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RE: eval-ad1940 and reverb

EZAdministrator

This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

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- over 3 years ago
- SigmaDSP Processors and SigmaStudio Development Tool
- Q&A
RE: AD1940 and ADL virtual surround

EZAdministrator

This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

Thank you,
…
- over 3 years ago
- SigmaDSP Processors and SigmaStudio Development Tool
- Q&A
RE: AD1940 RMS Filter design for SigmaStudio

EZAdministrator

This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

Thank you,
…
- over 3 years ago
- SigmaDSP Processors and SigmaStudio Development Tool
- Q&A
RE: TDM between AD1401 and AD1940 eval boards

EZAdministrator

This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

Thank you,
…
- over 3 years ago
- SigmaDSP Processors and SigmaStudio Development Tool
- Q&A
Using hardware data capture (trap) registers with the DSP Readback cell (AD1940, ADAU1701)

ADIApproved

When using a 2nd generation SigmaDSP with hardware trap registers like the AD1940 or ADAU1701, a specific write-write-read sequence must be followed in order to read back data from the signal flow (using a DSP Readback cell in the project schematic…
- over 4 years ago
- SigmaDSP Processors and SigmaStudio Development Tool
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