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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (4047 topics).
4047 topics · 19764 messages
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Generate a single pulse with ADAU1761 and Sigma Studio
As I'm a new user, Hi Everyone! I hope you can help me with my problem. I have the EVAL-ADAU1761Z board and I need to generate a single square pulse and send it to HP Out. The pulse has to be 100µs an
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ADAU1978 configuration
Hello everyone, I'm a little confused with some of the ADAU1978 settings: 1) what is the MCLK frequency range? The timing specification offers only the table with specific MCLK values that can be used
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External SPI RAM
Hi I am currently looking to build a 4 tap delay with up to 5 seconds of delay. Each tap will have individual filtering and different modulation options. I see that the ADAU1452 has an external RAM bl
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ADAU1462 data memory size
Hello, According to the datasheet for the ADAU1462, the data memory size is 48kWords. However, according to the compiler output window in Sigma Studio 3.17: ADAU1452 - DM0: 20480, DM1:20480, PM: 8192
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ADAU1462-150 PLL and other settings
Hi, I was starting implementation for the ADAU1462-150 and came accross some points that are unclear for me. 1) The datasheet shows in Table 20 on page 29 the predivider and feedback divider settings.
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ADAU1962A Pop-up noise after Power-ON
Dear Team, Initially pop-up noise is observed at ADAU1962A DAC output after enabling Master Power-Up bit of PLL_CLK_CTRL0 register. Please find the attachment for ADAU1962A configuration code. Could y
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ADAU146x SRC Latency
Hello, I've got an ADAU1462 project that takes i2s in, sends through ASRC to internal sample rate of 96kHz. When measuring the end-to-end latency of the system with fs_in = 48kHz, I get 1.521ms, and w
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ADAU14: Capturing pulse shorter than a frame?
Using ADAU1462 will it be possible to capture pulses shorter than an audio frame? E.g. can in inputs be set as rising edge triggered so it remembers the state even though the signal is no longer high
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How to implement real-time convolution using SigmaStudio function blocks for ADAU1787
Hi everyone, I want to implement FxLMS-based ANC on ADAU1787 and I have no idea how to implement the convolution with real-time audio signal and the dynamic coefficients using SigmaStudio function blo
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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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Packing 8 16bit channels into one serial port
Hello! I'm designing V2 of my digital mixer, which uses an ADAU1466, ADCs, DACs, and an ESP32-S3 for the web interface. So far so good. V1 is working great, but for V2 I'd like to add multitrack recor
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Does SigmaDSP perform SCLK stretching for timing sync with USBi?
After some reliability issues with SigmaStudio ReadBack (both EVAL and custom hardware, alike), I am looking at the USBi bus in SPI mode with a logic analyzer, and it appears that the SigmaDSP might b
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Current Maturity of Custom C/C++ Development on HiFi 3z Core?
Dear Team, We are evaluating the ADAU1797A for a hearable/audio application and need to implement a custom feature extraction algorithm (statistical/spectral analysis of the incoming audio stream) dir
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3rd party / licensed algorithms like SRS TruBass
previouly i find that 3rd party like SRS ( now is apart of DTS ) or BBE have port some algorithm of them to SigmaStudio but seem like i cant contact SRS for Trubass trial license right now,so any idea
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ad1938+adau1452 noise
Dear ADI staff: I designed a DSP board using AUAU1452 and AD1938, and controlled it using STM32F103RCT6 with a sampling frequency of 48K, using hardware mode, During testing, it was found that AD1938
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AD1938+1ADU1452 NOISE
Dear ADI staff: I designed a DSP board using AUAU1452 and AD1938, and controlled it using STM32F103RCT6 with a sampling frequency of 48K, using hardware mode, During testing, it was found that AD1938
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Adding a sub out for a powered sub
New here. A couple years ago I made open baffles, with full range and woofers. I am currently using a car audio line level converter to the woofer wiring to feed my subwoofer. I want to use a PCM5102
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Using S/PDIF Auxiliary Output Mode
Hi, I am trying to use the S/PDIF Auxiliary Output Mode for a slightly unusual result. Basically I am trying to bypass the use of an ASRC... A customer has asked if our product can accept AES3 input W
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Schematic review request for the ADAU1761.
Hi David, As I have posted in the wrong space (Precision Microcontrollers), Now I am posting in the sigma DSP section. Now I am replying to the answer mentioned in the Precision Microcontroller sectio
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TDM8 Connection on ADAU1467 Rev.B Evaluation Board (Brooklyn 3 + AK5578 Configuration)
I am currently evaluating an ADAU1467 Evaluation Board Rev.B and am having trouble getting the TDM connection to work correctly. If anyone has used a similar configuration or is aware of any important
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ADAU1452 + AD1938 Setting I/O problem
Hello, I bought a two-board set consisting of an ADAU1452 DSP and an AD1938 codec. I managed to get it up and running using a modified '192i2s.dspproj' test file. The sound quality is excellent. In my
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[ADAU1452] Internal PU/PD States During and After Reset
Hi, We have a question regarding the status of the internal pull-up/pull-down (PU/PD) resistors during and after reset for the ADAU1452. Upon checking the ADAU1452 datasheet, we found a reference to i
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Adding ADC channels wth TDM
Following up on my previous threads. My goal is to add two channels of high quality ADC input to a configuration with the ADAU1701, I have built and tested circuit boards using the following schematic
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ADAU version that supports noise reduction
Hello everyone. I have a sealed plastic enclosure, 80 x 40 x 20 mm, with a 1.5 mm wall thickness, made of ABS plastic. I need to convert the front panel into a highly sensitive microphone. I used a pi