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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (21 topics).
21 topics · 94 messages
Filtered by: #adau1787+evaluation+board ✕
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ADAU1787 Eval Board Source Files
Hey ADI, I'm currently working on a product involving the ADAU1787. Are you able to provide the source design files for the ADAU1787 Eval board (ie - Altium, Orcad, PADS, etc)? If not, are you able to
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ReadBack Parameter Issue
Hello, I am trying to use "ReadBack Parameter" block in my ADAU1787 in order to obtain the FIR coefficients of a NLMS block. These coefficients will be used later on a FIR filter to compensate the sec
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Implementation of ANC
Hi, I am in the process of developing an ANC algorithm within SigmaStudio using the ADAU1787Z evaluation board. Going through the forum, I have found written in this link that 'all the tools to create
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ADAU1787 I2S output signal
Hi ADI's I am testing the I2S output of ADAU1787. Referring to the link below, I confirmed that I2S output is possible from the EV-kit. https://ez.analog.com/dsp/sigmadsp/f/q-a/570003/adau1787-i2s-out
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Slave mode of clock for PDM interface
Hello. Everyone. Thank you for your help. I am trying to set the slave mode of clock for the PDM interface with ADAU1787. But what I can only find in SigmaStudio is the clock for the PLL. It will be m
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ADAU1787 digital mems microphone - no I2S clock
I have two questions about the ADAU1787 dev kit: I am connecting digital MEMS microphones to use as the ANC mics. It is the Infineon IM73D122V01. Unfortunately the Dmic input is not working. I cannot
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ADAU1787 can't output sound and can't detect sound input using line in.
I cannot get any sound to come out of the headphones. I have used a beep generator on all of the outputs but I cannot hear anything. I have a pair of headphones connected to the stereo out. I have the
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Selfboot problem on ADAU1787
I'm using EVAL-ADAU1787Z to test ADAU1787 and I would appreciate your assistance. I'm experiencing an issue when attempting to perform SELFBOOT. Following the instructions on page 10 of the datasheet,
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ADAU1787 I2S output?
I want to use ADAU1787 for use in a stereo 2-way application that utilizes I2S input, and output by I2S and both DACs. The problems I have run into: Using SigmaDSP Serial Audio input, no signal is com
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ADAU1787 EVB I2S in & out non-reasonable
Hi ADI, I recently used ADAU1787 EVB and found some weird. When I ues I2S function which pin are SAI, I didn't give any input to AIN0 &1, even AIN0 &1+ tie to ground should have nothing at I2S ouput.
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ADAU1787 measure the transfer function between speaker to microphone
I am working with the ADAU1787 and SigmaDSP. I need to measure the transfer function between the output and the input of the device. Is there a way to record and upload to the PC the white noise outpu
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Parameter readback and update not working?
Hello, I am having an issue while working with mij EVAL-ADAU1787Z board in SigmaStudio. I am trying to change the gain value of a gain block using a Parameter Update block. Something that looks like i
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How can I change the gain with timer in sigma studio?
Hi, I want to change the gain coefficient("Learning Rate") after 5 seconds. Can it be changed by timer? software ADAU1787 Sigma Studio 4.6 timer Integrated/Special Purpose A/D Converters gain ADAU 178
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Feedback loop doesn't work on ADAU1787 FastDSP
Hello, I am working with an EVAL-ADAU1787Z and want to create an algorithm containing a feedback loop in the FastDSP. However, I can't get it to work. For testing I'm trying to implement the simplest
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Output noise EVAL-ADAU1787Z
Hello, I have an issue with my EVAL-1787Z board. If I connect headphones to the stereo output of the board I hear an audible broadband hissing noise. I don't know what the expected noise level is, but
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[Bug Report] SigmaStudio / Eval ADAU1787Z incorrect parameter names; Real Time Parameter read values and addresses
See the attached project file. I used the Sigma NLMS block to system identify a known, 45 tap (only the first 40 taps are non-zero) FIR so I can see where the coefficients end up in the registers. See
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Bug in 'New Item Sampling Rate"
Here are steps to reproduce the problem: 1. Create SigmaStudio dspproj as described in the ADAU1787Z Evaluation Board User Guide. See attachment. Note the 'New Item Sampling Rate" is 48 kHz. and confi
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multiple digital mic
Hi, I am working on ADAU1787. I am trying to connect two digital mic with adau1787. single mic is working properly. I connected two mic on same line. 3V3 -------- 1.8v // J7 GND -------- GND //J7 SEL
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On/off keying in Sigma studio (ADAU1787)
Hi all! I am currently trying to get On/off keying working in sigma studio but It really is not going my way. I tried the below scheme. Later I will replace the pulse generator with an input from a MC
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ADAU1787 and PDM mic
Hi, I am working on ADAU1787. I am trying to connect PDM mic with ADAU1787.i connected PDM mic as according to following connections. i am using pdm mic module by adafruit. I think it works with 1.8v.
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GPIO
Hi, I am working on ADAU1787 evaluation board. I am trying to configure MP pins as GPIO. I am trying to enable/disable output with external switch. Is there anything wrong. GPIO.dspproj software ADAU1