EngineerZone Forum
Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (5719 topics).
5719 topics · 27691 messages
-
source selection using adc potentiometer
Hi, Is there a way to select one of several inputs using an analog potentiometer connected to the auxiliary ADC on the adau1701? Just like in the attached image. Thanks for your reply. Regards. Audio
-
Residual Echo Supression module not showing in toolbox
Hello all. I want to try the Acoustic Echo Cancellation (AEC) and Residual Echo Reduction (RES) modules. I downloaded the plug-in via the Add-Ins Manager, after that the trial AEC module appears in th
-
USBi programmer issues (EVAL-ADUSB2EBUZ)
Hello everyone, When we started our DSP project, we got some Chinese USBi programmers with our DSP Devboards, which didn't seem to be of the best quality, so to improve our reliability we decided to b
-
Inquiry regarding High-Performance ANC Solution for Headphone
To the Analog Devices Technical Support Team, Hello, I am the Lead Product Strategist at a tech startup based in South Korea. We are currently developing a premium wireless headphone targeting mass pr
-
ADAU1787 Vs ADAU1797A vs ADAU1467
Hello Team, Kindly answer below points. Which help me to decision making in part selection. Application: Primary path: I2S, Secondary path: 4 Analog Microphones(2 Feedback and 2 feedforward). to devel
-
ADAU1467 Vs ADAU1787 Vs ADAU1797A
Hello Team, Kindly answer below points. Which help me to decision making in part selection. Application: Primary path: I2S, Secondary path: 4 Analog Microphones(2 Feedback and 2 feedforward). to devel
-
ADAU1452 weird problem
Hi I have a problem again with the project below, don't know what's wrong with it. When switching to SPDIF, the L channel works fine, but the R channel 16 outputs a sine wave while channel 0 outputs n
-
Simple RMS readout with a Level Detector Designer reading from a readback
Hello all, I am new to DSP concepts and am working on a project to perform a simple RMS readout using a sine-wave input source. I am reading data from an MCU over an I²C connection. As far as I c
-
SPDIF signal detection mechanism problem
Hi all, I have a problem with a S/PDIF signal detection mechanism on one of my ADAU1466 based DSP boards. The following screenshot shows the input routing of analogue inputs ASRC 2 & 3 and spdif left
-
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
-
Shift incoming I2S data left 7 bits
For reasons that are too long to explain here, the I2S data is arriving (logically) shifted right 7 bits. This is fine because it's really just 16 bits of valid data. Before I can use the data I need
-
NLMS ANC Implementation (secondary path estimation)
Hello Everyone, I am starting to experiment with ANCs and I have a board here with the ADAU 1787. I've noticed that it provides only the NLMS block as an adaptive solution, while other series provides
-
Inquiry on ADAU1761 extern MCLK Clock Synchronization and CRC Verification Method
Hello Teams, In a custom project, the MCLK for the ADAU1761 is sourced from an external chip (referred to as Chip B). Since the main control chip (MCU) cannot determine the exact time when Chip B outp
-
Compile error when using T Connection to drive pin 1 of multiple Tracking Filters
If I use a T Connection to drive pin 1 (Normalized Center Frequency) of more than one Tracking Filter I get a compile error e.g. "error (8,Filter 1R): A variable named 'Link31' is already defined in t
-
error message
Hey all. I hope this is the right place for this. I'm getting the following meassage when trying to send a proj to my amp board. The board is a Dayton KABD 4100 if that makes a difference. I've progra
-
strange behavior of the clock management of ADAU1452 of years 2020 and 2025
After 2 days of debugging the "loop overrun" error, I found a strange thing. The chip of the year 2020 is working correctly with a particular project with correct (in respect to the data sheet) clock
-
ADAU1761 PLL issues with MCLK 24.576mhz
Hi If I set the PLL to Integer mode Input DIV =1 PLL Integer =2 R2 PLLCRL = 0xXXXX XXXX 1001; Thus MCLK 24.576 = Core Clock 49.152 The PLL will not lock If I set the PLL to Integer mode Input DIV =2 P
-
best practice to start new SigmaStudio project today
Hello! I have been using SigmaStudio for almost 10 years. I am doing DSP projects from time to time. The last big one was at the end of 2017. I am trying to continue it, but, but lot of questions. I h
-
Runtime Delay Adjustment Causing Unexpected Glitch in SigmaStudio 4.5
I'm using multiple simple Delay blocks to offset separate data flows in a SigmaStudio 4.5 project. ___________________________________________ Example Setup: SourceA --> DelayA --> SourceA_delayed Sou
-
Project is crashing when 3072/2 instruction cycles (half) reached. How to use all 3072 instruction cycles on 96 kHz
I am running a 96 kHz project on ADAU1452. Everything is ok till 1536 cycles are reached. Sometimes it is still running but showing "error in PM1". Sometimes it crashes with all PLL settings set to hi
-
No data output in serial port
In my hardware project. ADC is PCM1804,and DAC is PCM1798.To make sure Codec work on the same clock.I configure the serial output port0 to generate LRCLK(4FS=192Khz) and BCLK .So that my ADC and DAC r
-
Issue with external MCLK
Dear Community, I am experiencing a weird issue with the clock settings setting up an ADAU1467. When I apply an external 24.576Mhz clock to the MCLK Pin the bitclock I see on the serial outputs is too
-
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
-
Resource usage web page
It seems there have been numerous changes to the performance in the SigmaStudio development environment since the "SigmaStudio Algorithm Resource Summary" webpages [https://wiki.analog.com/resources/t
-
ADSP SHARK
Hello, I'm wondering which Shark processor is more powerful/instruction-counting than the adau1466/67? I saw that Shark processors require a JTAG programmer, but some support SigmaStudio and USBi. Is