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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (23 topics).
23 topics · 131 messages
Filtered by: #parameters ✕
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Looking for clarification on the Compressor coefficients stored in memory
Hi, I am designing with SigmaStudio v4.7 for an ADAU1467 processor. My design is using a Dynamic Processor - RMS - Full Range (-140dB to +40dB) - 1 Channel - RMS (no gain). I will be using a host CPU
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Parametre generator for ADAU1761 Peaking filter
Hello EZ - i am currently writing a C driver for several future products and i have reached a challenge i need help with: Assignment: The hardware guys have made an implementation that uses these filt
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How can I adjust AEC parameter ?
I am using the AEC algorithm module to cancel echo, and I refer to the DEMO project. The demo project use " AEC+RES+NR", however, after these signal processing I found that I cannot get far voice exce
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ADAU1701 IIS input 192Khz signal to enable filter, DAC playback has noise
Specific operation description: As shown in the schematic diagram above, currently only one General 2nd filter is added, set to hpf and 60Hz corner frequency. Set the sample rate to 192K and the DSP c
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Is there a way to edit values of cells outside there pre-set limits
I have two of the ADAU1701 chipset and use sigma studio for development, although i get by with the values that are set and there limits. i wish to know if i can go over by a DB or so as a call either
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ADAU1467 I2C parameter memory basic question
Ahoy there, I have a project that has a stereo mux in it, with three inputs, on my own board in selfboot mode. I have selfboot working fine, tested with a simple s/pdif through and a few controls. I w
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How to read certain address in ADAU1452 memory
Hi, I am trying to control the ADAU1452 dsp with ADI SC589 via i2c writings on A2B. I am able to write and read registers and memory of the adau1452. I want to read certain memory addresses in the ada
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Master Control Port XML works in realtime link-compiling but not after boot
Hi, I need a help with my SS project: I'm using a Master Control Port Boot to write some register configuration to my ADC and DACs When I use it in realtime link-compile-download, works very well, but
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SigmaDSP control from a micro - is there an update to "Basic SigmaDSP
Microcontroller Integration" ?
I'm trying to help someone get a SigmaDSP integrated with a microcontroller. Specifically how to control the parameters of the blocks in the diagram. Code download is working. If it makes a difference
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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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SigmaStudio export human-readable values
Dear EngineerZone, it is a long time ago i asked a similar question but the question is now closed. So I will ask again. Is there any way to export all human-readable parameters out of sigma studio, l
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Square / Sawtooth / Triangle Wave Frequency Control
I've just started learning SigmaStudio, using the EVAL-ADAU1701MINIZ, with the end goal of creating a mini synthesizer with external controls. One requirement is external control of the frequency of s
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Timing parameters S/PDIF on the ADAU1462
Hello, I would like to know more about timing parameters of the S/PDIF input on the ADAU1462. On page 11 of the datasheet (rev. C) there is only a table regarding the Audio Sample Rate. I would like t
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Add Control Signals for Parameters in Sigma DSP
I was wondering if there is a way to add controls to the parameters of the DSP modules in Sigma Studio. For example, I would like to have a signal control the length of a delay or the cutoff of a filt
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Demo PC program to change parameters for ADSP-21489
Hi all, we are studying the SHARC platform and we need to write a program for a PC to change a number of parameters for the firmware downloaded on the DSP on the demo 21489 board. My preference is by
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parameters with ADAU1701
Hi Evryone, I have a Evalboard ADAU1701 and i want stock the diffrent parameters in a extern EEPROM, because if iwant change the parametres i don't w'ant to go to Sigma Studio but with an button or in
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How can I reset the rotary encoder position to different values ?
Hi all, in my project I am using 2 buttons and the rotary encoder to control the parameters (Q, gain and f) of 3 filters (HP, LP and BP). I have already achieved the logic in SigmaStudio in order to d
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ADAU1761 parameter changing *without* Sigma Studio
I have an application where the audio device will be taking steps to equalize itself. The current method we use as a demo is to use Sigma Studio (3.something) to adjust the sliders and generate compil
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ADAU1701 General (2nd order/lookup) filter block sending two sets of parameters?
I notice that when changing the frequency value in one of these filter blocks, SigmaStudio sends two sets of parameters to the DSP; the old, then the new, to the same address. What is the purpose of s
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[Bug Report] 1452 Ext Volume block doesn't save its settings
The HW Slew Ext Volume Control for the Sigma300 chips (ADAU1452, etc.) includes versatile slew settings that unfortunately, aren't saved with the project. The simple project attached demonstrates this
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Controlling Parameters Question
Hi there, I was wondering about some control parameters regarding SigmaStudio. Using the SigmaStudio blocks, is it possible use one of the sources to control a parameter? For example, lets say I want
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ADAU1442 - parameter ram position and Selfboot EEprom?
Hello! I have build an ADAU1442 AudioSystem, the hardware is working fine with SigmaStudio and Selboot from a EEPROM. In my structure i have 5 IIR Filter in series for every channel of audiodata. I ha
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How can I change parameters on-the-fly in an application without SigmaStudio?
My target system will have a microcontroller which i will use to control the signal processing parameters in real-time. How do I calculate the values of the parameters I want to update?