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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (28 topics).
28 topics · 125 messages
Filtered by: #peak ✕
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ADAU1452 doesn't start execution of program
Hi there, I've designed a custom PCB with an ADAU1452 DSP. There is also a Linux SOM, a Codec for ADC/DAC and two MAX98397 on the PCB. Right now I'm trying to get the DSP to work. I've programmed a ba
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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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Trying to understand Limiters and Sound Volumes
I am using Bluetooth (Wondom BRB3v3 Bluetooth Receiver) as input, which goes to DSP (Dayton Audio DSP ADAU1701), which goes to input of AMP (Wondom 2x100W Amplifier Board), which powers component spea
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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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SafeLoad-sequence for 'Boost'-filter block.
We have a FDSP schematic designed w. "LarkStudio". A 'Boost' IIR 8-stage filter-block (peaking-filters) is used for audio equalizer functionality. To enable run-time setting of audio-band properties,
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SSM3582 Amplifier wiring with ADAU1452 DSP
Hello, I am new to ADAU1452 DSP and SSM3582 Amplifier, I would like to design a circuit with with ADAU1452 DSP and SSM3582 Amp and program it by using SigmaStudio but I am confusing for the wiring in
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Cannot connect Aardvark I2C with SSM3582 in SigmaStudio
I am trying to connect the I2C port of an Aardvark to the I2C port of the SSM3582 in the HardwareConfiguration - Config tab of SigmaStudio 4.6. While that does work with the USBi, the port on the SSM3
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2nd order peaking filter coefficients calculations
Hi, I'm currently using a 2nd order peaking filter for doing EQ on a project. As part of that I need to calculate the IIR coefficients to send to the DSP and I'm having problems. Currently the calcula
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ADAU-1701 - direct headphones connection
Hi ADI! We're working on a new prototype with our custom PCB design based on 1701; we got everything working until now with input from ext microphone (ampop amplified), 1701 with selfboot and external
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ADAU1772 integration with SSM4567
I have both dev boards for the ADAU1772 and SSM4567. My intent is to have a mono instrument signal input to the 1772, process it, and feed the 4567. The 4567 will then drive a single speaker. I have b
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Voltage Level on I2C ADAU1787/SSM3525
Hello, I am working on a configuration with both eval boards for ADAU1787 and SSM3525. I plugged the Eval-ADUSB2Z in parallel on both boards and everything works fine.( I have only one USB cable and a
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ADAU1452 Q factor value will affect the Crossover result?
Hello guys, I meet one problem which is the "Higher Q factor" affect the crossover output result. Here is mine part of the DSP structure: from the above figure, the 10 bands EQ are before the crossove
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Envelope peak is positive value only?
Hello. When inputting a sine wave of 1 Hz from the sine tone tool, the waveform through the envelope Peak tool has only a positive value. Please see the image below. Peak hold function seems to be ope
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Implementation of N-Channel Peak Compressor for ADAU1452 & Sigma Studio 4.2
Does this module process each channel individually? Or is processing applied to all channels when any one channel exceeds threshold? Edit Notes Wording. [edited by: sgoldburg at 11:46 PM (GMT -4) on 2
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Is there any application guide for SSM3525?
Hello, I would like to use the SSM3525 to characterize a loudspeaker such that the power delivered into a varying load impedance is proportional to input signal only. Ideally, I would like to be able
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Need assistance for development on SigmaDSP platform for a client
Hello, A client of mine who is into mass manufacturing of loudspeaker enclosures and a regional distributor of a popular car audio company wants me to develop a few audio products for him. Based on hi
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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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CES 2018 Demos: Speaker Linearization using Class D Amplifiers
Can you share the presentation (slides or videos) of the demos for the CES 2018 shows? I am especially interested in the speaker linearization demo that uses SSM3525. What is the wattage of SSM3525? T
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I have a Question about Peak Room in Limiter
Hello everybody~! I have a Question about Peak Room in Limiter ADAU1452 Limiter is have peak Room? if Limiter is have peak Room What is peak Room value in Limiter? help me... Please..... [My test resu
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loudspeaker protection?
I've spent over an hour looking for an article, how to, design note or whatever on a topic that I'm sure I saw in the past few month somewhere on the ADI system. It was, I think, about using frequency
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PWM clip LED
Hi I'm trying to implement a clip led on the 1701mini dev board. I found the following threadMonitoring average and instantaneous signal levels which works but it's an instant on/off led. I'd prefer s
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adau1701 internal peak and rms levels wrong!
I am using the circuit blocks RTA thats supposed to show level in db and PEAKENV in conjunction with READBACK to display the HEX of the peak value. I have calibrated the input level such that the RMS
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SigmaDSP ADAU17xx - Microphone signal to Loudspeaker signal loopback/feedback
Hi, I have 2 microphones and a loudspeaker included in an earpiece. I have 2 earpieces built this way ( one in each ear). When I process the microphone signal it somehow gets back in the Loudspeaker s
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Sigmastudio unhandled exception pain
Hi, I keep getting unhandled exceptions in Sigmstudio when I attempt to do link and download. Sometimes, after creating a new project, it will connect, but as I add the bits I want, at some point, it
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Peak compressor operation noise
Hello everyone, I just tried the peak compressor block on the ADAU1701 evaluation board and noticed it is very noisy when operating on signals with smooth, long envelopes... Be it a sine wave or a sus