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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (24 topics).
24 topics · 99 messages
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How to time shift and not effect pitch
I have the EVAL board and would like to slow down live audio or time shift, using a 10k POT to control how slow. I am new to SIgmaStudio and have tried using ChatGPT but it seems out of date. I was wo
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Pin output sequence for power on and shut-down amplifier section
Hi guys. I would like to make a logical sequence to turn on the amplifier section with my 1701s. When I generate the start pulse (I use the encoder button) I need two outputs. The first output goes hi
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How to increase Delay time?
Hello Forum Users, Delay time is often at a premium and being able to use it more efficiently is a good thing. The question is how do I more efficiently use delay memory? The memory is 32 bits but 32b
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How can I change the gain with timer in sigma studio?
Hi, I want to change the gain coefficient("Learning Rate") after 5 seconds. Can it be changed by timer? software ADAU1787 Sigma Studio 4.6 timer Integrated/Special Purpose A/D Converters gain ADAU 178
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-- How to have a long delay with ADAU1966AZ, and other questions --
Hi there, I'm Maurizio from Rome, Italy, I'm beginning to use Analog Devices boards but I'm a newby in such a world, therefore please forgive me if I'll not be too clear: moreover, english is not my m
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Timer in adau 1467
Hi, I want to utilize timer in adau1467. Requirements: If input=1, output=1 (without any delay or hold) If input=0, output=0 (output stays at zero for 30ms no matter whatever input is). Audio Signal P
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ADAU1701 response to digital pulse time
For an active loudspeaker project, I am trying to control a WISA receiver with an ADAU1701. For now, I am using an Arduino to mimic the WISA's pulses and behavior. In the end I will have to read a 26u
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''Discrete'' RMS Table block for specific needs/settings (IEC 61672 fast and slow time weighting)
Hi All, I need the functionality of the RMS table block (Level Detectors/Lookup Tables > RMS Table > Range (-93 to +3 dB) > RMS Table), but for my application the available dB/s range and precision is
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Understanding the "k/s" setting in the Peak Envelope block
It's well known that the Peak Envelope block's decay characteristic is linear, and there's a wonderful workaround to get an often-preferred exponential decay. Should a linear decay be desired, here's
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ADAU1761 Signal Detection Time_Constant Algorithm
Hello, I am using the signal detection block in the ADAU1761, but cannot find any information in the SigmaStudio help, the engineering forum, or the Wiki pages about the actual formula used to generat
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ADAU1701 - How to measure time difference between current pulse and previous pulse?
Hello EngineerZone Community, I'm a New Media Artist and I’m using ADAU1701 for my interactive art project where i have to translate pulses into sound. I’m using Analog Devices DSP and SigmaStudio for
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How to choose a big memory size DSP for the signal delay design?
Hello everyone and SigmaStudio teams: I am trying find the chip which has the big memory size that can support the huge delay function, I have tried the delay 600ms at 1452, but this will use all 1452
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SigmaStudio 4.1, ADAU1462 bug report
Hi there, SigmaStudio 4.1, RealTimeVariant for ADAU1462 still doesn't work. VariantEditor window doesn't opening. For ADAU1452 all is OK. Best regards, Konstantin Morozov
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Timer with ADAU1701
I need to make a timer with ADAU1701 that can do this: If an S6 button is pressed and released briefly, nothing has to happen, but if the same button is held down for 2 seconds, I turn on the red MP11
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How to measure the total time from input to output in the SigmaStudio?
Hi all, I have a question is about how to measure the total time from input to output when there is a buffer before the limiter? My question is: if there is no buffer before the limiter, the signal ca
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Delay noise when controlled by aux adc
Hello, i've just found that, when i try to control a delay time parameter through an auxiliary adc input with a potentiometer connected, i get a noisy output; i don't get any noise when i control the
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I have a Question about detail Limiter control
Hi everybody My name is Park Cheong Su I have a Question about detail Limiter control this is My Question List 1. How to get Release Time Control formula in Limiter? 2. How to get Attack Time Control
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I have a Question about Limiter Release Time in Sigma Studio
Hi everyone, I use a board with ADAU1452 dsp. I wants to control the Attack Time and Release Time in Limiter. but I don't know How to get Attack Time and Release Time . Can you answer my question? Ple
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Control and display of delay time?
I'm looking at the ADAU1452 in particular. The idea is to have a control of total delay time through the DSP and have that delay time displayed on a 3 digit or so numeric display. This is course delay
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ADAU1701: longer delay with external RAM
Hello! Is it possible to achieve longer delay times (around 500ms) by adding external RAM through I2C? Audio Signal Processors time longer SigmaDSP Audio Processors ram delay adau1701 Show More
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Real Time Display on SigmaStudio 3.8 crashes
Everytime I place the "real time display" , and click on it to see the signal , it hangs up after a couple of seconds and downloading isnt possible anymore to the EvalBoard 1701 and I have to reset th
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Timer w/ External Reset
Hello, I'm trying to set different selectable durations for the "Timer w/ External Reset" (ADAU1701, Sigmastudio 3.1). I'm using 3 DC Input Entries and a Mono Index Selectable Switch. What happens whe
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How to calculate the delay time for processing audio data on adau1442
Hi, I use AVC core on adau1442 ,want to know exact delay time from input to output I2S data. 48Khz sample rate , no SRC. I know at least 4 sample periods delay by reading the pdf,but no idea about pro
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How do I start a timer after power-on, or when the input signal goes away?
How do I start a timer when the SigmaDSP powers on, and then output a GPIO flag when the timer is complete? This could be used, for example, in power sequencing for a system that requires staggered st