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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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Help with JAB4 with ADAU1701 Sigma Studio project
Hello, i have a JAB4 amplifier from Wondom with ADAU1701 DSP. Is there anyone who can help me build a program with some specs that i need (paid). Im new to this so i dont know exactly what i need, i j
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Ground layout for mixed signals
Hi , I am currently using the ADAU1787 and would like to ask if I need to separate DGND and AGND, as I noticed that the EVB specifications do not seem to have this separation. Also, do AVDD and IOVDD
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Regarding the memory of the ADAU1772, ADAU1777, and ADAU1787
Hi ADI, I would like to know the memory size of the ADAU1772, ADAU1777, and ADAU1787, or how many Gen filters can be written into the IC from SigmaStudio. Currently, I can write 80 Gen filters into th
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SigmaStudio external tone control (bass / treble)
Hello, i am new to dsp and SigmaStudio. I taught myself vom basic stuff and got a 2 way speaker project running. Added some limiter, compressor, eq and linked one poti as an external volume control. T
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Bug report: Sigma Studio fails to create E2PROM binary when using AARDVARK
I am working on a Sigma Studio v4.7 project using ADAU1467 with a selfboot EEPROM connected by SPI. ADAU1467 is IC1 and E2PROM is IC2. Both using SPI SS #0. As I encountered USB connection issues with
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Bug Report: Sigma Studio - "Check Last Compilation Through DSP" fails if pop up windows with result from previous call is still open
I found another bug of Sigma Studio 4.7 for the access of EEPROM via DSP. After using the funciton "Check Last Compilation Through DSP" a pop up window is shown with the result. If this window is not
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APx-555 ADC_SDATA0 to ADAU1772Z eval bd DAC_SDATA, eval bd ADC_SDATA0 to APx-555 RCV port DAC_SDATA?
I thought to try testing the ADAU1772 eval board with the APX-555 running serial data transmit to the bd, and then feed the serial output back to the APx555. It works in loopback but when I disable lo
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Adaptive MFxLMS block not training, secondary filter coefficients staying at 0
Dear SigmaStudioPlus Support Team, We have carefully reviewed your wiki documentation and tested the provided demo program. Despite following the recommended training procedures for both secondary pat
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SigmaStudio General 2nd order block bypass function with Phase Shift enabled
Hi, I'm working on a speaker crossover project based on ADAU1466. Could you please confirm what is the expected behavior of Enable/Bypass button of General 2nd order filter block? I noticed that even
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SuperBass Algorithm
1. From testing I understand the algorithm will filter out frequencies below the cutoff frequency, is it known the type of filter and the slope? 2. For the bass gain, I understand that it allows the s
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ADAU1772Z selfboot questions
Hi, I'm back working with the ADAU1772 eval board along with our Audio Precision APx555 and I am finding some behaviors that I have questions about. 1) Say I play with the SigmaStudio registers and ge
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Which file I have to select at Step3 ?
Hi, I am a beginner with the following boards: AMP2 + AMP3 and the ICP1 Programming board. I installed the system using "Basic SigmaStudio Programming Guide" : there is no issue. Now I try to compile
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Fading clicks (similar to echo in a cave) ADAU1761 HP out
Hello! I encountered strange artifacts at the output of the ADAU1761 headphones. System: some USB-I2S transport + ADAU1452 + AD1938 + ADAU1761. The sound is normal on the analog outputs of the AD1938.
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ADAU1701 external DAC latency
I'm currently working on a project for a 3-way speaker system. I'm using a DSP ADAU1701 as an active crossover. However, I've encountered an issue: the ADAU1701 only has 4 DAC outputs, but I need 6. I
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Sigma Studio installation
when I run the following: root@Home:/home/gary/Downloads# sigma_tcp server: bind: Address already in use server: bind: Address already in use Failed to bind The software is trying to connect to 192.16
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Software differential signal generator (or MP3 player for that matter)
I chose ADAU1761, but the topic is not only related to ADAU1761. I would be grateful if the administration moves the topic to a right place. Colleagues, I have an idea to have a pocket differential si
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External SPI Delay with SRAM
Dear, We use the ADAU1467 and have need a audio delay of more than 1 sec for at least 8 channels (max 12 channels). The sample rate is 48Khz at 24 bits. I will have a rate of 48Khz sps * 24 bit * 12 =
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cannot found ANC filters in sigmastudio schematic filter sections
i'd like to develop my ANC algorithm on adau1777,however ,i noticed that there is a few filters in adau1777 schematic filters section. is there any solution to make me finish my ANC project... i notic
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the example code of LMS adaptive filter
Hello, one of our customers would like to eavlaute ADAU1797 if it is OK for ANC. They would like to purchase EVAL-ADAU1797Z to try the algorithm of LMS adaptive filter. In order to support the custome
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ADAU1761 audio codec on zedboard
I have written HDL code to program zedboard and able to listen loopack audio from HPH out and giving audio in from line in Jack. I don't want to play loopback audio, I want to play the audio which is
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adau1761
Hi, I need a guide for the coefficient calculation for IIR filters. attached is a straightforward project but I have a calculation problem. 7318.Design 1.dspproj the project needs to set many IIR filt
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WONDOM JAB4 ADAU1701 Dynamic Bass for small speaker?
Hello, I have a small set of speakers powered by a cheap WONDOM JAB4 board with an ADAU1701 DSP. I am trying to limit the bass on these speakers at higher volumes to prevent distortion and so I added
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Qudro signal to headphones mixing
Hello! Sigma Studio has a block for converting 5.1 to stereo for headphones. I consider 5.1 to be redundant and design devices for Quadro (4.0). System components: some USB-I2S transport, ADAU1452, AD
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How to make an anti-phase wave in sigmastudio [adau1772]
Hello I want to create an inverse signal for the input signal using Sigma Studio. When I looked into Sigma Studio, there are two ways to invert the signal. 1) DAC inverted/normal 2) PGA ON/bypass So,
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Can't expand screen to full width of 2 monitors
trying to screen capture a very wide diagram but can't make SS+ span 2 monitors, i.e. place window on left monitor and try and stretch it to the right and it stops at one monitor's width. software ss+