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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (215 topics).
215 topics · 1023 messages
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ADAU1787 current consumption in software power-down when using the internal DVDD LDO
We are characterizing the power consumption of the ADAU1787 in a battery-powered embedded platform. During these tests, we observed a large difference between hardware power-down and software full-chi
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ADAU1701 self-boots and registers verify correctly, but Sdata_out0 (MP6) never outputs any data
Hi, i would need some help on my custom ESP32 + ADAU1701 schematic, i am stuck at an unusual issue and i cna't progress past it, please read below, will provide more info if needed, just say what that
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Less Inst(cycles) in SS+ than in SS
My question is related to these two threads: - ez.analog.com/.../how-to-set-sample-rate-in-ss-like-done-in-4-7 - ez.analog.com/.../setting-sample-rate Preambule: I migrated a project from SSv4.7 to SS
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Error during generate XML file
Good morning, I have a problem when I try to generate the XML file to use during the discovery of A2B network to configure the peripheral of eval board. When I click on Generate XML, SigmaStudio open
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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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ADAU1452 – No TDM8 Output on Serial Port 0 (Clock Slave to AD2428)
Hello, I am having trouble getting the ADAU1452 to output TDM8 data on Serial Port 0. Hardware setup: I am using the EVAL-AD2428WD1BZ, which includes an onboard ADAU1452. For testing, I want to genera
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Looking for clarification on the Compressor coefficients stored in memory
Hi, I am designing with SigmaStudio v4.7 for an ADAU1467 processor. My design is using a Dynamic Processor - RMS - Full Range (-140dB to +40dB) - 1 Channel - RMS (no gain). I will be using a host CPU
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Sigma Studio + Poor / Erratic Graphical Parametric EQ UI Performance
This is my first post so hopefully I'm posting in the correct space with enough information but I've noticed some odd behavior while using the graphical parametric eq block thats not present on the ol
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Thermal Parameters for the thermal analysis
Hi team, In our development project, we are using following ICs and we need to do the thermal analysis for the PCB. For the analysis, we require the θJA (°C/W), θJC (°C/W), θ
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Regarding the issue of the ADAU1787's power-on startup, the normal power supply (DVDD) does not output any voltage.
Hello! I made a circuit board that consists of 3 ADAU1787 chips and one MCU.However, I have encountered some problems recently. I have attached my AD project files and a screenshot of the ADAU1787 har
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SigmaDSP Standard RMS Compressor Algorithm Reference
Currently using the standard independent RMS module to implement Dynamic Range Compressor/Limiter Now, I will describe the specific situation in detail The transfer function of the current compressor
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Audio Delay versus Sample Rate
When operating the ADAU 1701 with double to fourfold sample rate the audio delay (analoge input to analog output) is not 1/2 or 1/4 compared to 48 kSps as expected. I measure 1/3 and 1/9 compared to 4
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Compiler Error, run out of MIPS
SigmaStudio project that I've been working on suddenly cannot compile, nothing has changed but now it won't compile. This project has been running in it's general form for some time and is not very la
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Change sample rate to 192 kHz
Hello, i am a mechatronics student and have a problem with the developer board EVAL-ADAU1467Z. The board is set to a sample rate of 48 kHz at the factory. I would like to set the developer board to a
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How to set sample rate in SS+ like done in 4.7?
I'm sure I've missed something obvious, but a search of the Wiki/docs (with "sample rate"@resources:tools-software:sigmastudiov2) did not turn up anything. Where has this from 4.7: gone in SS+? I have
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ADAU1701 ,sampling rate in complier and SR0,SR1 relation to i2s streaming rate
Anyone can explain ,What happen with my system? or i doing wrong? My experiment is have 2 streaming I2S 96Ks and 44.1 ks with my adau1701 slave mode that mean MKCI is 24.576 Mhz and 12.288 Mhz. my ada
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Seeking Help with AA-AP23123 Wondom DSP for Home Theater Setup
Hello everyone, I'm reaching out for some guidance on using the AA-AP23123 Wondom DSP, which is an unbalanced 2-In, 4-Out ADAU1701 DSP preamp with a 2-way digital crossover. I’m looking to use it simi
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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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Help with rotary encoder/ switch for ADAU1701 on Wondom AMP2 / DSPB-K DSP board
Hi, I have been struggling to get external switches or rotary encoders to work on the Wondom AMP2 when programming it using an IPC3. Whenever I connect up the switch or rotary encoder I cant get a rea
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SigmaStudio+
A delay of 500ms is required, divided into DM0 and DM1 blocks, but the total is still not more than 20480. But SigmaStudio software is OK. Audio Signal Processors adau1452 Audio Products software Sigm
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Donwsampling and Upsampling ADAU1467
Hello all, I am trying to do a simple factor 4 downsample and upsample in sigma studio. I have made the FIR butterword filter for the antialiasing. however, in the output I am encountering aliasing in
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Syncing output to input using ASRC
I’m using the ADAU1466 running at a 48 kHz sampling rate for a project. I have a digital input that will accept either 44.1 or 48 kHz sampling rate, going through an ASRC at input to sync it to the DS
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Fixed register address at pre-compile stage possible?
Hi, I'm wondering if it is possible to "set" a register address at pre-compile stage. E.g.; When I compile my SigmaStudio program for an ADAU1452, compiler sets the address of a readback register to 0
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Serial interface clocking configuration help needed
I am looking for assistance on setting up the clocking of the output serial interface of ADAU1466. I'm using 24.576 MHz master clock fed to both ADAU1466 and 3pcs PCM1795 (connected to DSP via I2S int