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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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ADAU1787 serial port latency
Hi All, A project I'm starting on soon ideally would have lower noise and distortion figures than what the on board ADC's and DAC's of the ADAU1787 can do. Is the latency through the serial ports and
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ADAU1772 Delay Block
Hi, I would like to have a delay block in SigmaStudio for the ADAU1772. Is this possible? I have the ADAU1772 eVal PCB and SigmaStudio, but I don't see the delay block anywhere in the device tree for
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INMP441 and ADAU1701 no visible activity
Hello, Sorry for my poor English, I'm french and for basic questions, I'm a newbie. I'm trying to analyse a signal from a INMP441 mems microphone with a WONDOM ADAU1701. The 2 devices communicate with
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Interface Read/Write ADAU1452.
Hi ADI, I need some informations about the interface Read/Write to store some parameters that should be written by a microcontroller. How to use them? I haven't found any documentation for ADAU1452 bu
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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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ADAU1466: Issues getting PLL Locked
Hi, I have made a custom board using the ADAU1466 chip. But i am having a hardtime getting this working properly, the PLL wont lock for some reason. I am using a 24.576mhz TCXO Oscillator, verified on
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I have problem with connect chinese board adau14562 to pcm1502 dac over i2s. No sound from internal sine generator.
I'd appreciate a sample project so I can get my system up and running. Ultimately, I'd like to use the SPDIF input, but first I need
My setup: Audio Signal Processors adau1452 software sigmastudio SigmaDSP Audio Processors
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Using additional ADAU1466 core for added DSP resources for higher order ANC
Hello again, I'm back with a new question. I've attached a block diagram of what I'm attempting. basically I'm trying to use an additional ADAU1466 core to add DSP resouces because I want to use longe
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Using MP16 as SDATAIO input pin
Hi, I have a custom PCB that uses 3x AD1939, connected into an ADAU1467 via the serial data pins. I have all inputs using the dedicated SDATA_INx working correctly in I2s operation, however I'm strugg
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ADAU1466 - Pop Noise when i click Link compile Download
Hello Community, I have recently purchased the ADAU1466Z dev board. I have build a simple project shown below and attached. Every time i click Link compile Download i hear on my headphones which i con
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The issue of the PLL startup sequence of ADAU1787
Hi！ I am developing the ADAU1787 and hope to use it as an IIS receiving device. External signals are input to it as MCLK or BCLK, and an internal clock is generated through the PLL for operation. Howe
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Add two input channels to ADAU1701
Hello: I am looking to add two analog channels to the inputs of the ADAU1701, presumably using the i2s interface. Can you direct me to any parts suggestions for the ADCs and any suggested reference sc
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Bug in SigmaStudio re-routes signal differently from the schematic?
I used the "Speaker Response: MLSSA" blocks and Stimulus/Probe blocks to flatten out a speaker response after the crossover, but when I went to actually use the modified firmware, it behaved bizarrely
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How can I adjust AEC parameter ?
I am using the AEC algorithm module to cancel echo, and I refer to the DEMO project. The demo project use " AEC+RES+NR", however, after these signal processing I found that I cannot get far voice exce
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There are serious bugs when generating the MCU configuration file for ADAU1787 using Sigma Studio 4.7.There are serious bugs when generating the MCU configuration file for ADAU1787 using Sigma Studio 4.7.
Hello! I discovered a serious bug. When using Sigma Studio to generate the configuration file for ADAU1787 (the configuration is quite simple; it's just a DAC output serving as the signal source. I ha
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Computing RMS values
I am curious about my measuring methods and interpretation, and wanted to get feedback on what I'm doing. I'm attaching an illustration of a small project. It takes either a DC value or a sine tone as
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Beginner DSP Build with ADAU1701 – Need Optimization Advice
Hi everyone, I'm new to SigmaStudio and DSP audio design in general, and I’ve just finished setting up my first project. I’d love to hear feedback from more experienced users on how I can improve or o
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Distortion with 32bit in and out
Hello Please help me to confirm few things that is now shown in manual. If got 32bit source but input port format is set to 8.24. Will it cut it in to 24bit format first the extend by 8bit as a headro
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About how to use SIGMA300 NOISE REDUCTION (NR) PLUG-IN in ADAU1466
Hi ADI Teams Recently, I worked on a projuct requiring environmental noise reduction, so I tried using the NR modlule with ADAU1466 evk and downloaded its example code.However, I encountered some issu
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PeakFullRangenogain wiki page is missing
If you click F1 on any of the "Peak Full Range(no gain)" algorithm blocks, it goes to https://wiki.analog.com/resources/tools-software/sigmastudio/toolbox/dynamicsprocessors/peakfullrangenogain which
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Voice Enhancement in Noisy Vehicle Intercom Using ADAU1463
Hello everyone, I’d like to ask the community for support with a technical challenge involving audio processing in a high-noise environment. I'm developing a vehicle intercom system whose purpose is t
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Programming ADAU1761 using Sigma Studio Capture Window Address + Data sent from microprocessor Circuitpython via I2C
I am (usualkly) successfully able to use address and data copied from the capture window of Sigma Studio to program an ADAU1761 via I2C. I use CircuitPython running on an nRF52840-based microprocessor
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Are ADAU1452WBCPZ and ADAU1452WBCPZ150 shared the same ECAD Symbols and Footprint files that are provided in the ADI Web Site
Hi SigmaDSP Support Team, There are two links in the ADI Web site that are directed to their ECAD Symbols and Footprint download file. Are ADAU1452WBCPZ and ADAU1452WBCPZ150 share the same ECAD Symbol
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Possibilities for mixing SPI and I2C devices on the same Master Control Port?
I am currently designing the schematic for a DSP Board including the ADAU1452, CAT25512XE EEPROM, LM63DIMAX temp sensor, AK5574 ADC and AK4458 DAC. I am wondering if it is possible to mix SPI and I2C
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Master control port registers for address width and value?
Is it possible to set the SPI address width using the DSP control registers? I'm asking about the 2-byte (16-bit) versus 3-byte (24-bit) address variations. On a similar note, is it possible to set th