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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (83 topics).
83 topics · 422 messages
Filtered by: #eq ✕
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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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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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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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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
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Setting up an ADC with an ADAU1463 over I2C
Hi, I'm trying to Settup an ADC through I2C. The ADAU1463 operates at Selfboot Mode, so I have to settup the ADC with the DSP. I've tried to send I2C writes with the "Master Control Port IO" block, bu
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Applying dynamic EQ filtering based on signal amplitude
Hi! I'm working on a project with some small size PA speakers that are intended to be used mostly for live speech (e.g. conferences) I would like to experiment with the idea of applying dynamic filter
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Sigma studio for ultrasonic application
Hello ! :) Im a student in engineering, my project is to develop a directive speaker based on a ultrasonic piezo array. The audio signal should be modulated with a sine carrier (AM, DSB). The carrier
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ADAU1452 PLL lock not working on custom PCB
Hello, everyone! We are developing a board with ADAU1452, which includes AD1938 and TPA3255. We have a problem: the ADAU1452 does not work on our board, but it works on another debug board nearby. Con
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Poor man graphic equalizer with adau1701
Hi guys, i've been trying to implement a simple multiband graphic EQ where each band level can be easily controlled by aux ADC or DC blocks. Each band is made from 2nd order general lo-pass and hi-pas
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Application Exception: Object reference not set to an instance of an object in SigmaStudio tool when AutomaticEQ is used
Hi, Using SigmaStudio4.5 tool with ADAU1701. I have added AutomaticEQ block in schematic as. Why this exception come and how can I remove it? Audio Signal Processors sigmastudio SigmaDSP Audio Process
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ADAU 1701 - Is there an Advantage of using a 24,576 MHz Crystal than a 12,288 MHz Crystal? Is there a different noise result?
Hi there, I'm new to the Support Community and I hope that I write in the correct Place. I have an ADAU1701 Evaluation Board and would like to know what the advantage is of using a 24,576 MHz Crystal
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REW with Automatic EQ function and tuning without USBi programmer is that possible?
Hi, I found one topic about REW speaker tuning with ADI DSP Automatic EQ function: https://ez.analog.com/dsp/sigmadsp/f/q-a/64304/adau1701-sigmastudio-rew-auto-eq and I follow the topic step one by on