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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (4060 topics).
4060 topics · 19971 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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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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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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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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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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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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SigmaStudio+ Indirect Parameter Accees Table
In old SigmaStudio you could add a parameter to the IPAT with a simple mouse right-click. Is there a similar feature in SigmaStudio+? I can only add it via the IPAT table but it gets annoying when the
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left and right balance issues
Dear members, i want to know adau1401 how to created the left/right channel balance as pan function as below graphs, i tried below schematic, but no used, or we can use the volume table to find the lo
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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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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
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SigmaStudio+ Sample rate propagation
I found out that the T-Connector would not propagate sample rate downstream. Remove the T-Connector and connect straight to the next block and the block's sample rate follows upstream. Does anyone hav
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Issue with Compilation Optimization Option in Sigma Studio 4.7
Dear Support Team, I encountered an issue with the compilation optimization option in Sigma Studio 4.7 and would like to seek your advice. Here is the situation: I am using a simple example (the proje
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Just new to Sigma Studio and am programming a Dayton Audio KABD250 amp. With the optional back panel kit, they include a power switch. I'd like to know where in the circuit it should be wired in to avoid pops and noises, etc. Should it be wired into th
I am programming a Dayton Audio KABD250 amp. With the optional back panel kit, they include a power switch. I'd like to know where in the circuit it should be wired in to avoid pops and noises, etc. S
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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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Unconventional application of the ADAU1452 audio processor
I used an audio processor in a non-standard way for a metal detector. I want to be able to select a project (program) that will be loaded into the ADAU1452 from EEPROM by pressing buttons connected to
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Sigmastudio for Android devices
Hi, I apologize for asking this question here. I just don't know where to look. Is there a programming environment similar to SigmaStudio where you can build an audio processing block and then run it
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Active Noise Cancelling
Hello I am trying to build a ANC System for HVAC Installations with the ADAU 1467. I rebuilt the secondary path using the FXLMS but somehow the System is not stable. I tried to implement a feedforward
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SPDIF TX configuration and timing problems between chained devices
Hi Team, I have a custom made DSP board for a loudspeaker based on the ADAU1466 and currently having a problem with my S/PDIF signal chain. I run an ADC (@96khz) on SIDN1 through a ASRC2 into the DSP
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Request for Review of ADAU1451 DSP Audio Architecture
Dear Analog Devices Support Team, I would like to ask for your support in reviewing the audio architecture of our system using the ADAU1451 DSP. System overview Host processor: Rockchip CM3588 DSP: AD