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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (52 topics).
52 topics · 235 messages
Filtered by: #4-6 ✕
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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
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ADC input with unexpected value
I am working with an ADAU1450 and use 4 ADC inputs as volume control. If the volume control is full open I will have 3.25V DC on my ADC_0 input of the DSP. But when I read the value in the software I
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Starting Index of UpDownLUT
Hello all, im using an Idex LookUp with Up/Down Inputs to control an index selectable Filter (ISF1) with an external rotary controller. At StartUp i want the LookUp Table to start with Position 1, and
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Distorted Sigma Studio Module
My group has been working with one sigma studio dspproj for some time, adding and tweaking various parts. Recently we found that whenever we add a module, either from the toolbox or copied from the pr
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Serial Port Correct Settings
Dear Dave, Team, We are interfacing A2B with our ADAU1466 Evaluation Board . The flow is as follows A2B Main (running TDM16 @ 48kHz) -> A2B Sub Node(running TDM4 @ 192kHz {Increased Data Rate Feature)
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Pin output sequence for power on and shut-down amplifier section
Hi guys. I would like to make a logical sequence to turn on the amplifier section with my 1701s. When I generate the start pulse (I use the encoder button) I need two outputs. The first output goes hi
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Serial interface clocking configuration help needed
I am looking for assistance on setting up the clocking of the output serial interface of ADAU1466. I'm using 24.576 MHz master clock fed to both ADAU1466 and 3pcs PCM1795 (connected to DSP via I2S int
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Why does the dynamic range of digital input become smaller after DSP?
We use the ADAU1452, the digital audio input passes through the ADAU1452 and then the digital output, the dynamic range is 86dB. But the digital audio input skip the ADAU1452 to digital output, the dy
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General 2nd order EQ, no output, possible instability
homeCinema_v4_EQ_test4_kteq.dspproj Fullscreen FL_sigmadsp.txt Download 0.999608536682770 -1.997355600291492 0.998027213657203 -1.997355600291492 0.997635750339973 0.999652539507289 -1.998533998473304
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Hex to ASCII conversion using Inbuilt Modules
Dear Team, Is there a way to convert hex value that is read via SPI Read module into its corresponding ASCII version as exemplified below: The hex values I read are 0x30 0x2e 0x30 0x30 0x30 0x30 0x30
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ADAU 1467 ADC inputs 36-37
I've been using just ADC inputs 32 & 33 on the '1467 eval board, but now need to expand this to 36 & 37. It looks like some configuration of the SDATA lines is needed, but the user guide doesn't make
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Not able to open the Sigma Studio Project. The Sima Studio opens and closes automatically after few seconds without opening the project
Sigma studio opens and closes automatically after few seconds. Earlier i was able to open and create projects, but recently i tried after few weeks and it is not opening software Sigma Studio 4.6 sigm
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ADAU1450 save parameters to the EEPROM
Hi everyone! I'm working on a very interesting project. This project is based on the dsp adau1450. The main board has 8 channels adc and dac. Also this project has one more board, it's remote board fo
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Subwoofer DSP problem. Unstable Output with larger input
Hello, I am using sigma studio 4.6 to design a DSP for a subwoofer amplifier. My question mainly surrounds the limiter design. I am running into an issue where the limiter stops working correctly when
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On the problems of General Filters
Hello, I have a few questions about general filters： 1、What is the difference between the General (2nd Order) and General EQ (2nd Order) plugins? 2、In the Parametric filter, there are two Q. What is t
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Flash Programmer for ADAU1452
Dear Team, I have some questions regarding Flashing a binary into the EEPROM of ADAU1452 REV BZ Board. 1. What should the Sub Address byte be typically? 2. The Start Address starts at 0 and increments
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Master Control Port and Parameter Update
Dear Team, While I see that Sigma Studio allows SPI Parameter updates via GUI / Capture Window , I actually want to update the same SPI parameters using the master Control Port (via the xml file ) . I
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SPI Write and Read verification with different SPI offset address.
We need to flash the 'preset data' in specific offset address in the EEPROM flash memory and need to read the 'preset data' from flash memory in run time from the specific flash offset. Is this possib
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ADAU1452 serial port is 16bit but calculations are 32bits
Hi, I am working with the ADAU1452 on the Sigma Studio 4.6, I stream to its serial input ports accelerometer data (3 axis of adxl317). The accelerometer is configured to output each channel as 16bit d
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Miscellaneous click and pops with delay block
I have been tyring to implement a simple chorus effect on the ADAU1701 using a voltage-controlled fractional delay, and a couple of sinusoidal oscillators. When I download and run the attached SigmaDS
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Use Clickless HW Slew General EQ (2nd order) Slew Parameters Were Not Saved Successfully
Open any sigma studio project, modify the general_eq(2nd order) of slew type parameters, save, and exit. Open the project again and the slew type parameters are not saved successfully. Audio Signal Pr
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EVAL-ADAU1467Z
I want connect the two stereo inputs to the EVAL-ADAU1467Z unit in inputs 32-33 and 36-37 . When connecting input to 32-33 Through the EVAL-ADAU1467Z in J14 I heard the outputs well. See the sigma stu
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Another 1787 PDM question please
I'm trying to implement a very simple setup: PDM mic inputs on the ADAU1787 eval board to an analogue output, see this project:1787 PDM TEST.dspproj Problem is it isn't working. I've read the previous
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ADAU1452 spi extern delay module do not work
I use SPI SRAM (23LC1024) connected to the master spi interface of 1452, and test the sigma studio module. But I found that it do not work well. the audio playing back is not right. the sigma studio p
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ADAU1452 incoming I2S slave clocks routed to I2S slave output
Hello All, I have the ADAU1452 DSP being slave on one of the I2S inputs and on one of the I2S outputs. MCLK is fed by a crystal. Physically the master is connected to the BCLK/LRCLK/SDATA_IN0 and SDAT