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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (25 topics).
25 topics · 122 messages
Filtered by: #can ✕
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Residual Echo Supression module not showing in toolbox
Hello all. I want to try the Acoustic Echo Cancellation (AEC) and Residual Echo Reduction (RES) modules. I downloaded the plug-in via the Add-Ins Manager, after that the trial AEC module appears in th
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Low Latency ANC Implementation
Hello, I'm looking to find a board suitable for an ANC project I've been working on. I've currently implemented my one channel ANC system using a FIR filter with 1024 taps, however everything is curre
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Recommend Echo Cancellation DSP
Hi, Currently using Telit LE910C1NF along with max9867 codec for voice calls over DVI. Clarity is no issue but we are experiencing echo on the call center side which is disruptive. Need a recommendati
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testing FxNLMS block and Switch On/Off block in a real time ANC tube
I'm testing the fxnlms block on sigma studio to cancel noise in a tube. The problem is that when I set the switch to 0 to block the adaptation and maintain the optimal filter the system produces low f
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Unable to generate the complete set of exported files in SigmaStudio project.
Hello All! I'm facing an issue with SigmaStudio on my main system where it doesn't generate the complete set of exported files, such as TxBuffer_IC_1.dat, in my project. Interestingly, when I try the
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Hands free device replacement with Sigma DSP?
Hello, I'm sourcing a technology replacement device for a Dual Echo Canceler & Noise Canceler with Dual Codec for Hands-Free device that went obsolete on one of our design. I'm looking for help in cho
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EVAL-ADAU1466Z Poor ANC on White Noise and Speech
Hello, I am working on an ANC project for my internship, and I am having trouble getting the platform to cancel certain types of noise. With my current setup I am able to cancel tonal noise, multi-ton
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ADAU1787 Matrix Multiplication?
Hello. I am currently working on noise cancellation for an earphone. I am planning to implement a custom Adaptive RLS filter for this task. I have the ADAU1787 Sigma IC evaluation board with me. In or
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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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Not able to hear output sound using NR example for ADAU1467
Hi everyone I want to use ANC feature using ADAU167 I have bought PDM mic for input. So at first I was testing with single mic and pair of headphones Here is my setup PDM mic connections CLK -> BCLK_I
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Active Noise Cancellation
Hello guys, As part of my master's thesis, I am dealing with the topic of active noise canceling in the window area. For the thesis I would like to do an experiment to test feasibility. Which circuit
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Help with Modified FxLMS/FxNLMS in an ANC application
Hello, I am currently working on my senior design project for my bachelors in electrical engineering. The project is an ANC device for use on rigid barriers. The idea is to use a tactile transducer as
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Can I use ADAU1467 for active noise cancellation
Hi, I am a noob here. I have a ADAU1467 Evakuation Kit and I am using it very first time. I have explored some of filters in the sigma studio and I am searching for active noise cancellation filter I
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How to eliminate microphone feedback using ADAU1401
Hi Everyone, I am interested in designing a microphone feedback cancellation system using ADAU1401. The problem is when we consider a professional audio system (outdoor/indoor), the sound operator hav
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Question before Purchasing EVAL-ADAU1466Z
Hello, I am considering purchasing this evaluation board for my team's senior design project but I had a concern about it's sample rate limitation. Our project requires a 192kHz sample rate in order t
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Are these DSP's best for this kind of Active noise cancellation for rigid barriers?
Me and my partner have been looking at many of your DSP's Eval boards to use for our Active Noise Cancelation (ANC) Senior design project. We are trying to stay under $250, just for the DSP Eval board
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How to eliminate feedback in Sigma DSP ADAU1452
HI everyone I have the same problem with https://ez.analog.com/dsp/sigmadsp/f/q-a/64300/how-to-eliminate-feedback-in-adau1701/193164#193164..But our DSP is ADAU1452.There are some tool and function.AD
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Audio processor recommendation for megaphone project
Hi, We are working on a low-power battery-operated megaphone/bullhorn project (purpose is to amplify a user's voice). In terms of the audio flow, the user's voice will first be captured by 1 - 2 digit
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Regarding EVAL-ADAU1466Z
Dear Team, I am an active researcher looking forward to provide an Active Noise Cancellation solution to a potential customer. I was going through the data sheet EVAL-ADAU1466Z_UG-1135.pdf. Our typica
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ADAU1401 or ADAU1761 for echo cancelling
Hi, I need to design an echo cancelling circuit for a customer. I would appreciate if someone can tell me if the ADAU1401 or ADAU1761 are appropriate for such application. Is the sigma DSP inside thes
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Noise Cancelling Headset Using SigmaStudio (3.14)
Dear engineers, I am in the planning phase of a noise cancelling headset that has one (1) speech mic (mouth level), one (1) ambient mic (ear level), two (2) other left and right mics for noise cancell
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Echo Cancellation and SigmaStudio
Hi, I would like to implement echo cancellation using the SigmaStudio platform and the EVAL-AD1940AZ dev board. In previous discussions dating back to 2011, it sounds like the only option is to start
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Is it possible to create an adaptive filter from discrete blocks in Sigma Studio?
I'm using the EVAL-ADAU170XEBZ evaluation board to try and produce an acoustic echo canceller for a project I am working on. I've read on the forums the existence of a Normalized Least Mean Squares(NL
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Dual Inline Microphone Noise Cancelling
I would like to mimic a noise cancelling differential microphone using two omni-directional microphones that are oriented in-line with the audio path. An example of this would be your bluetooth headse
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Noise cancellation headphones
I want to implement active noise cancellation algorithm for headphones. For that i m using ADAU1701.I want little help about deciding which algorithms i can implement in this processor. Audio Signal P