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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (5719 topics).
5719 topics · 27691 messages
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LIMIT ON ADAU1701
Hello! "Hello everyone. I have a question about limiting on the ADAU1701. I'm working with an input board on an active speaker. I’ve tried feeding it the highest signal I have — a 1kHz sine wave at 3V
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Can the phase-locked loop of the ADAU1787 operate at 98.304 MHz? Can the speed of BCLK reach up to 49.152 MHz at its maximum?
Hi! When I was using the ADAU1787, I employed the TDM mode of I2S and found that the maximum speed of BCLK was 24.576 MHz, and the sampling rate for 16 channels was 192K. However, my application scena
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ADAU1452 script question
Hello Support Team Guys, I used the following script to run unfortuantely. The schematic is empty. Would you please have a look if I have missed anything? // #LANGUAGE# C# sigmastudio.ProjectNew(); si
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ADAU 1701 2.1 System
I am currently building a 2.1 system and need to program the DSP. Now I have one with external Volume Controls and Potentiometers preinstalled and also 2 switches. I never programmed one of these befo
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how to update flash code using MCU via ADAU1452
Hello Support Team guys, one of our customers would like to update the EEPROM firmware by MCU via ADAU1452. At the first time, the customer use the USBI to flash code into EEPROM. The EEPROM is connec
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Can I use Sigma Studio and program my DSPs without the use of the EVAL-ADUSB2EBZ?
Hi there, I have been working with SigmaDSP devices for some time now, and always program using the EVAL-ADUSB2EBZ board when using Sigma Studio. Is it possible for me to use another mechanism (e.g. o
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SigmaStudio 4.7 → SigmaStudio+ 2.3 (ADAU1452+CS42448): AEC/NR/VDA availability & implementation workflow
Context Migrating a working SigmaStudio 4.7 project (ADAU1452 + CS42448) that includes AEC, NR, and VAD to SigmaStudio+ 2.3. In 4.7, Export System Files is greyed out (project uses trial AEC/NR). In S
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adau1787 Control volume with external switch
Hello, I previously used the eval-adau1761 and had experience controlling the volume with buttons. I switched to the eval-adau1787 development board and am trying to implement the same functionality w
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tsa1701 y dir9001
Hola...soy nuevo en este mundo , y aunque me defiendo con los ajuste con minidso,,,,ahora tengo muchas dudas Tengo una tsa1701 , que ya tengo funcionado y estoy aprendiendo y exprimiendo. Queria imple
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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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Which Registers control SPI Mode and other configuration?
The datasheet warns that "The master port must be reconfigured in software before using a protocol other than the one configured at boot time." So, how is this done? Which Registers control this confi
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SIGMASTUDIO+ EEPROM ISSUES (ADAU1452_CS424489)
Hi everyone, Until now we have been using Sigmastudio 4.7, but after trying Sigmastudio+, and discovering it gits!, and that it has a much more usable interface, we are moving our development to the n
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Problem with ADAU1452 and SigmaStudio 4.7, audio amplitude oscillates uncontrolled
Hello, We've been using for a long time Sigma Studio with a ADAU1401A for an old project. We upgraded to the ADAU1452 for having delay functions, and we re-made the program to be the same. We've encou
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CLKOUT BCK not aligned
Hello I have a problem connecting adau1452 with a digital AMP chip TAS6424. When playing, TAS6424 reports a clock error. Finally, I figured out that CLKOUT as MCK is not aligned with BCK and WCK. I am
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Getting my subwoofer to work
I have a SigmaStudio project where I have two bookshelf speakers and a subwoofer hooked up. I have the subwoofer on a separate volume control handled by the I2S input amp that I'm using. I just want t
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Split channel to separate serial output
Hi! How do I create a project in Sigma Studio that accepts an SPDIF input and has an i2s output split into two separate serial out ports? I'm looking to connect to an external DAC based on two chips –
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ADAU1452 + CS42488 output noise
Hello, I need your advice and help. I have 4 DSP pair boards - ADAU1452 + CS42488. All programmed successfully with fs = 192 KHz . Project is simple DSP 3 way crossover. The problem is permanent noise
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adau 1701 ADC potentiometer trouble
Hello everyone, I have a problem with the potentiometers that come with Wondom jab 5 4x100W in sigma studio schematic. Audio input AUX Input jack signal from PC 24bit 192kHz Stereo to output connectio
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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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Looking for a detailed guide on configuring ADAU1467 I/O routing (ports, pins, and SigmaStudio correlation)
Hello, dear friends, I’m working with the ADAU1467 on the standard EVAL-ADAU1467Z evaluation board, and I’m struggling to fully understand how to configure input/output routing so that it matches what
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1 crystal and 1 EEPROM for 2 ADAU 1787
Hello, We would like to connect 2 ADAU 1787 on the same Crystal to obtain the best synchronisation and same EEPROM so during the Boot Both ADAU will be programmed one after the other. 1. Is it possibl
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Need idea for generating filter index values from DC input
Hi, I'm using the ADAU1701 to implement a multi-band audio equalizer via the General 2nd Order w/ var Param/Lookup/Slew filter module. The design works properly in SigmaStudio and now I need to be abl
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Run Two AECs in a Feedback Loop – Compilation Error
Trying to Run Two AECs in a Feedback Loop – Compilation Error Hey everyone, We’re working on an audio system where we need to run two acoustic echo cancellers (AECs) at the same time, set up in a feed
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Controlling DS1881 Digital Potentiometer from ADAU1463 for Analog Audio Volume (No External MCU)
Hi everyone, I'm working on a prototype board that uses the ADAU1463 DSP, and I’m experimenting with controlling the volume of an analog-only audio path (i.e., the signal does not enter the ADAU1463).
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Assignment drive strength/slew rate/pulldown register to SDATAIOx-pins is NOT bijectiv
You would assume a bijectiv, simple assignment between the drive strength/slew rate/pulldown registers and SDATAIOx - Pins: register F7Bx correponds to Pin SDATAIOx (see datasheet p199). But this is n