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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (8 topics).
8 topics · 31 messages
Filtered by: #nlms ✕
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Designing ANC using NLMS Block
adativeattempt2.dspproj Hi there, I’m working on designing an ANC algorithm using the NLMS block in SigmaStudio. However, when I listen to the result, the algorithm doesn’t seem to adapt. For testing,
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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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ReadBack Parameter Issue
Hello, I am trying to use "ReadBack Parameter" block in my ADAU1787 in order to obtain the FIR coefficients of a NLMS block. These coefficients will be used later on a FIR filter to compensate the sec
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[Bug Report] SigmaStudio / Eval ADAU1787Z incorrect parameter names; Real Time Parameter read values and addresses
See the attached project file. I used the Sigma NLMS block to system identify a known, 45 tap (only the first 40 taps are non-zero) FIR so I can see where the coefficients end up in the registers. See
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ADAU1787 - NLMS initial coefficients
Hi! I was trying to setup an NLMS filter in sigma studio on the ADAU1787 Eval board. I noticed that there is no way to set an initial coefficients in the NLMS block. Is it possible to initial the proc
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ADAU1452 nLMS coefficients write to FIR filter
I am using a nLMS filter to learn a simple but varying response and I want to apply the learned response to a parallel path. Essentially I want to apply the learned path coefficients to a parallel FIR
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Interface for Implementing NLMS algorithm in ADAU1452
Hi, I am using ADAU1452 SigmaDSP to implement an algorithm derived from NLMS adaptive algorithm. It is a dual-path algorithm,where it stores the background (shadow) coefficients. It would be helpful i
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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