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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (37 topics).
37 topics · 173 messages
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Sigmastudio for Android devices
Hi, I apologize for asking this question here. I just don't know where to look. Is there a programming environment similar to SigmaStudio where you can build an audio processing block and then run it
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ADAT Lightpipe with Serial Port and external Logic
Heiio community, I want to send 8 audio channels via ADAT from a sigma DSP to PC. After reading this discussion https://ez.analog.com/dsp/sharc-processors/f/q-a/61533/sport-and-adat I came up with an
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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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SSM I2C issue
Hi all... Good day, We are working on communication system using AD9361 with xc7z030. So I'm working with a xc7z030, vivado version 2021.1, and Vitis for Software. I2C signals read back from audio amp
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i2s delay chain from input to output
Hi, in these days I'm testing the ADAU 1761 codec connected in I2S with an FPGA that generates the stimulus signals in order to check the behaviour of ADAU. The FPGA genearate a I2S toward the ADAU wo
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ADAU1452 SAFELOAD WRITE
Dear someone else.. Where could I find material about ADAU1452 Safeload Data Register Write Format. TARGET: MID EQUALIZER AND CROSSOVER DEVICES on sigma studio). Why Analog devices informations are al
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Custom Platform setup and use in SigmaStudioPlus
Trying to understand what can be done with the SS+ Custom Platform feature. The help that's available is lacking in details. wiki.analog.com/.../defineplatforms I took an existing custom platform shap
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1-in / 4-out crossover using Dayton Audio DSPB-K DSP
Seek suggestions on a 1-in / 4-out crossover using just the Dayton Audio DSPB-K board (and not the KE daughter-board). I'm considering a low pass filter for a large woofer, a high pass filter for a tw
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How to correctly convert GPIO input (23.5) to 28.0 number format?
Hi, i'm a bit confused about how to use a GPIO-input with the Index Selectable Slewing Mux. The GPIO-Input outputs the values 0 and 1 in 23.5 Number format but the Mux awaits the values in 28.0 format
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Multiplication doesn't work
Hi, I just read the article about number formats in Sigma DSP and also about the readback function, which can only display a 24.0 number format and thus truncates the last 4 bits of the input value. S
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Medium Size EQ
Hello. I am doing tone control with Sigma studio. The schematic below works for me. It works the way I want. I want to control it with the processor. I don't understand how it generates these 5 datas.
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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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Dual Microphone Noise Suppression (Spectral Subtraction)
Hello Forum I want to try and setup a dual microphone system that does some sort of subtraction in order to enhance speech quality. The aim is to implement a communication system on a wearable sportsv
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Beam Forming Designer with EVAL-ADAU1467Z
Hello. I want to try to use Beam Forming Designer with EVAL-ADAU1467Z. I looked for the information about the block, and there were several wiki pages about beam forming like this: https://ez.analog.c
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Analyze auxiliary ADC, and output 0 or 1 integer
Hello everyone. I'm going a little nuts trying to solve an embarrassingly simple problem. I have a pot connected to an auxiliary input on an ADAU1701. When I turn this pot up all the way (more than 0.
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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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how to transfer float to 8.24 format
I need help, how to create conversion function from float number to 8.24 representation format . I have connected microprocessor with SPI to adau. I'm looking for easier conversion function: for examp
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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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Peaking filter and Notch filter coefficient formula
Hello guys, I have some problem on calculate the Peaking and Notch filter. In SigmaStudio wiki ( SigmaStudio Wiki ), I can not get both filter formula information, and I reference the Robert Bristow-J
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LowPass Filter coefficient calculation
Hi all, I am checking the Low Pass Filter coefficient to use on my micro-controller, I have researched some topic, like https://ez.analog.com/message/21166?commentID=21166#comment-21166 and the wiki:
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Noise reduction algorithm module for Fs=48kHz
Sigma DSP has noise reduction algorithm module for ADAU1761. Unfortunately, it runs only for Fs=16kHz. What’s need to be done to run it for Fs=48kHz. Thanks Mark Audio Signal Processors noise reductio
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Multi-channel beamforming and frequency-domain analysis on SigmaDSP
Hi folks and analog devices administrators, I'm new to digital signal processors and I'm trying to evaluate SigmaDSPs for multi-channel beamforming and frequency-domain analysis as described: - 8ch @1
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ADAU1701- Question of making a adjustable Phase control
Hello everyone, I have searched the related question in the forum, and I found this topic: How to use sigmastudio software to realize an external potentiometer to control phase, the phase of the range
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Output from a Hilbert Transform
In SigmaStudio, I have a 1401 selected. If I have a stimulus passing through a Hilbert transform, and probes connected to the two outputs, I get no results. No signal passing through the path with the
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EVAL-21479-EZLITE USB inteface red in SigmaStudio for SHARC
Hello, I have the following hardware: ADZS-21479-EZLITE Revs DSP 0.2 BOM 1.5 PCB 0.1 with (JTAG Debugger) ADZS-SADA2-BRD DSP 0.2 BOM 1.5 PCB 1.0 ans software: SigmaStudio 3.14.0 and SigmaStudio for Sh