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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (21 topics).
21 topics · 108 messages
Filtered by: #adau1781 ✕
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SigmaDSP with AEC selection
Hello, We are evaluating new codecs for our future touchpanel. I haved seen your ADAU1781 codec/dsp that can be configured though the SigmaStudio. We are searching a codec able to receive the input da
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ACTIVE NOISE CANCELLATION
Hi, I am trying to do active noise cancellation. can i use ADAU1781 for ANC. please suggest best DSP for active noise cancellation. Thank you Audio Signal Processors software Rev 1831 4/5/2022 adau178
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Substituting ADAU1761 for ADAU1781
Hello, We just received notice that the ADAU1781 is in its last-time-buy phase. We would like to substitute the ADAU1761 in its place. I know the footprint is identical, and I know the dsp resources o
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Processro recommendations for a small portable ANC system?
My colleague and I are looking to find a board that would suit our purposes for developing a robust mobile ANC product in an open environment. We're stuck on deciding between the ADAU144x, ADAU176x, a
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Beamforming ADAU1781
Hi everyone, I would like to use the fixed beamforming cell with my ADAU1781 evalbord. With the two MEMS microphone provide on the evalboard. I didn't found informations about this cell. Is there a de
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ADAU1781 attenuates signal
I have an ADAU1781 on a board that I have designed. I am communicating with it over I2C from a PIC32. I seem to be able to set up the chip; however, after it is set up it greatly attenuates all signal
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Exceeding capabilities of ADAU1781
Hi there, I am trying to implement DSP schematic with a 9 band double precision optimized EQ. However, whenever I go beyond 7 bands, I observe a distorted output. I was wondering if there is a way to
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Input signal protection on ADAU1761/1781
What kind of protections are built in to the analog inputs of the Sigma dsps? Put another way, what kind of precautions should I take to condition incoming signals that may be too hot for the ADCs? Do
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SigmaStudio 3.10.1 Beta Release
The new 3.10.1 Beta is now available for download at: www.analog.com/SigmaStudio (For details about how to download the installer, follow the instructions here: https://ez.analog.com/docs/DOC-3470) Up
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Between ADAU1761 and ADAU1781, are there any difference in serial data port ?
I have question about serial data port.Plese let me cofirm below. Are there any difference in serial data port between the ADAU1761 and the ADAU1781 ? When we use the ADAU1761's I2S in slave mode, is
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AGC for ADAU1761
Hello, I'd like to implement AGC (Automatic Gain Control) for ADAU1761 or ADAU1781. I think AGC is same as Automatic Volume Control which was in ADI tool box. Is it correct? And I could not find the d
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Is it possible to attach 4 digital mics on a ADAU1781?
Hi there, the ADAU1781 has two analog microphone inputs LMIC and RMIC which can also be used with two digital microphones, each. My question: Is it possible to use all 4 channels within the processor
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SigmaDSP Device Selection Question from Customer
I just received this question from a customer: I'm looking a recommendation for the 'best' eval board for a 40-band 2-channel (simple left/right) audio 'equalizer' type application. The SigmaDSP will
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does ADAU1781 support two equalizers?
The ADAU1781 supports two audio inputs and has two audio outputs, with an equalizer in the middle. Can the equalizer be different for the two channels? Audio Signal Processors adau1781 SigmaDSP Audio
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Device Selection
Hi. I am working on an hands-free communication application. I am looking at using an ADAU1781/61 or possibly stepping up to a BlackFin. The application will need: adaptive microphone beam forming noi
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Loading the DSP via assembly language
I have reviewed the tutorial and examples for loading a ADAU1781 via I2C, but they all involve writing in C, which I do not use. All the files, headers, etc. make no sense to me. I am a consultant on
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Can ADAU1781 Support Echo Cancellation
Hi Guys, One of local customers is wondering if ADAU1781 support echo cancellation. I checked the datasheet and did not find this feature. Would you please confirm if it has this feature and what's th
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How to feed digital data from SigmaDSP core to a PC
Hello, I have the ADAU1781 evaluation board with some MEMS microphones. I want to know how I can send the digital data from the sigmaDSP core to a PC. I know the serial output port can be used for tha
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General purpose input parameters controlled by an external microcontroller
Method 1: Using the GPIO Value Registers The ADAU1761, ADAU144x, and ADAU1781 SigmaDSPs are capable of reading GPIO inputs from registers instead of pins. Please take a look at AN-951: http://www.anal
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How can I use a SigmaDSP codec with digital microphones?
I want to use digital microphones in my application. What SigmaDSPs support this interface and how do I connect them? Audio Signal Processors microphone digital adau1781 SigmaDSP Audio Processors adau
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SigmaStudio Training Video Series
The first videos in our video training series have been released to the web. Please check the SigmaStudio Online Video Channel to view them. Click a video in the list below to view it. Videos that are