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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (105 topics).
105 topics · 532 messages
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Generate a single pulse with ADAU1761 and Sigma Studio
As I'm a new user, Hi Everyone! I hope you can help me with my problem. I have the EVAL-ADAU1761Z board and I need to generate a single square pulse and send it to HP Out. The pulse has to be 100µs an
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Current Maturity of Custom C/C++ Development on HiFi 3z Core?
Dear Team, We are evaluating the ADAU1797A for a hearable/audio application and need to implement a custom feature extraction algorithm (statistical/spectral analysis of the incoming audio stream) dir
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the coefficients of biquad do not match
Hello! I'm writing code for a microcontroller, and I've reached the stage of equalization, but I'm facing difficulties. In the sigma studio window, the coefficients differ from the generator built int
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Performance difference between Slew filter and Parametric EQ
Dear Team, Thank you for your support. My overall expectation is to have smooth filtering while switching from one gain level the other, hence I have chosen Slew filter instead of Parametric EQ. But,
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What filter is better to use for big PEQs?
Hi, My question is similiar to: https://ez.analog.com/dsp/sigmadsp/f/q-a/64602/what-is-the-best-way-to-make-a-typical-10-band-eq I have a lot of different blocks for 2 inputs + 8 outputs. And I want t
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Parametric EQ block has bugs?
The following is a 3-step process that causes 2 separate bugs, would appreciate if anyone has input/if there's a known workarounds. Create a parametric EQ block and enter the 19 filters. I close it an
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adau1761
Hi, I need a guide for the coefficient calculation for IIR filters. attached is a straightforward project but I have a calculation problem. 7318.Design 1.dspproj the project needs to set many IIR filt
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Qudro signal to headphones mixing
Hello! Sigma Studio has a block for converting 5.1 to stereo for headphones. I consider 5.1 to be redundant and design devices for Quadro (4.0). System components: some USB-I2S transport, ADAU1452, AD
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Problem when generating tones (other frequencies appear)
Hello, We did some research with the evaluation board of the ADAU1452 and we managed to implement some great delays that we were needing. We are now re-designing the SigmaStudio project (in older proj
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Write Biquad Coefficients through SPI
Hello, After uploading the schematic shown in the photo to the ADAU1467z, I exported the file and set it up to be remotely controlled via a Teensy 4.0. I used an SPI connection, and I confirmed that t
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AutoEQ - What Am I Doing Wrong?
I'm trying to create an active crossover. Started fooling around with AutoEQ. I have the Wondom DSP 2IN 4OUT 1701 board. Using Sigma Studio 4.7 Started with a simple sketch: Everything works fine. Add
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Will the ADAU1467 ever get Frequency Domain blocks in Sigma Studio
The original SigmaStudio toolbox wiki listed the ADAU1467 in frequency domain processing as of 2020, the draft updated front page has it removed. I'm just wondering if this functionality will come to
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i2s from QCC5125 to ADAU1401 not working proply
I am developing a diy project using i2s signal from qcc5125 (can emit mlck pulse) into adau1401, I have tried configuring i2s signal in many ways, but the result is very large output, broken signal. s
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Audio Level Controller in ADAU1772
ADAU1761 has "Automatic Level Control" (ALC) that controls the analog audio level. I am bound to use ADAU1772 with Zynq-7030 Board for my application requirements. How can I Control the Audio Level in
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technical support for part# CMAXQUSB+ (so# 894364)
Hi Tech, part# CMAXQUSB+ Per spec, the board should include CD, but physical part doesn't include CD. Could you help check and share with me the download address for related software? Thanks. software
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Parametric Equalizer reset to default
Hi ADI Tech Support, good day. we seek clarification on parametric equalizer. is there any commands or options that resets the parametric equalizer to default settings? for the use case, an external m
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Sin and Csin on ADAU1452 and voltage controlled PEQ.
Hello, I am trying to implement voltage controlled PEQ. However, I have tried use State Variable Cell, it don't work fine. I use 8.24 Q=1, f=0.255 with Sum with original signal. It works not as good a
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3 Band EQ with volume control ADAU1701
hello can someone help me and i would like a 3 band EQ and a volume turner and that on the potentiometer of the wondom dsp would be happy for help i just can't do it Audio Signal Processors help softw
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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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Any Engineer that can help with ADAU1701
Hi There, I am just going to ask this question again as previously i had been unclear, Just some background below. Portable Bluetooth Speaker with DSP Trying to implement a 5 band Graphic EQ in sigma
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SigmaStudio Simple Graphic Equaliser
Hi there, I am very new to this and I am trying to figure out if it is possible to create a simple graphic equaliser in with set center frequency which can be boosted or cut. Wondering if it is possib
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90 degree phase shift of the output signal with respect to the input signal
I how can I make a 90 degree phase shift of the output signal with respect to the input signal with Sigmastudio for the DSP Board ADAU1467 for a bandwidth of 80 to about 16,000Hz ? This is not possibl
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Adau1701 equalizer selector
I am new to adau1701. I want to design a dsp amplifier with Bluetooth(BT) and microphone inputs. Also for singing karaoke. It should be 3 presets for the equalizer: Flat, music and vocal. Which can be
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How to make really slow filters on ADAU1466
For the thermal simulation (and limiting) of one of our products we need a 0.5 mHz filter to track a thermal time constant of something getting hot over time. I've tried an IIR filter with single orde
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Chime Freq-Gain Frequency Increment
Hello, I have been attempting to use the Chime Freq-Gain block in DSP program, however, I am not exactly sure what to write to the DSP for the frequency envelope to function as intended. I have seen a