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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (37 topics).
37 topics · 194 messages
Filtered by: #ad1940 ✕
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Remove audio feedback with ad1940(dsp)
Hi everyone It is currently designed with 4 microphone inputs and 2 line outputs. DSP CHIP AD1940 (4 mic inputs) + (1 line output feedback input) = 5 total. I'm testing with SIGMASTUDIO and it's not w
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Frequency above 20 kHz with Sigma Studio and AD1940?
Hello, i want to expirement with sound in the ultrasonic frequency range, deom about 15 kHz to 40 kHz. Can Sigma Studio operate in this frequency range, and can i do filtering, ect in this frequency r
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Cross complie question
Hello Support. I have developed an application on the AD1940 demo board which works very well. However, I have now realised (with 20/20 hindsight) that the application would have been better developed
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AD1940 and ADL virtual surround
I have an application where I am using the ADL virtual surround module 5.1 to virtual setting . Anyhow, I am only driving the left and right surround inputs. During listening test when hard panning a
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AD1940 RMS Filter design for SigmaStudio
Dear ADI supporter. we are using AD1940 device on SigmaStudio. we want to design RMS filter function on sigmastudio. but not found filter design example. please let me know how to design RMS Filter on
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Ad1940 can use c language to compile in sigmastudio
Hello: I am running sigmastudio between AD1940 evaluation board.I want to ask about that, sigmastudio you can compile our own written by c language, as well as how to compile, can you send me a copy o
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TDM between AD1401 and AD1940 eval boards revisited
Hello, Sorry I had marked my previous post http://ez.analog.com/message/117014#117014 as assumed answered by mistake, but I would appreciate help with this. I've been able to send I2S stereo audio fro
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SigmaStudio 3.10.1 Beta Release
The new 3.10.1 Beta is now available for download at: www.analog.com/SigmaStudio (For details about how to download the installer, follow the instructions here: https://ez.analog.com/docs/DOC-3470) Up
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Programmatic Control through MatLab Documentation
Hello, I am presently working with the SigmaDSP 1940 development board, and would like to control the DSP through Matlab, to programmatically change the gain or delay, but I cannot figure out the valu
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TDM between AD1401 and AD1940 eval boards
Hi, I've been able to send I2S stereo audio from a AD1401 eval board to a AD1940d board by connecting them as described in https://ez.analog.com/thread/35830 Now I'd like to try sending TDM audio acro
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Problems with multiply - AD1940 on SigmaStudio
I'm using two sources, one DC with 28.0 and a sine tone, then multiplying it and using the real time display (in 28.0 format) to see the result. The negative numbers are represented as the maximum pos
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1940 hot problem
hi, I'm using the ad1940 in my system. In my system, the 1940 's sample rate is 96k. Number of instructions used = 750. At the start of the work, it working well.But after a period of time,the tempera
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I2S between AD1401 and AD1940 eval boards
Hello, To experiment with I2S audio transfer, I wish to run I2S from a EVAL-ADAU1401AEBZ (master) to a EVAL-AD1940AZ (slave) Does this chart show the correct I2S wiring? Will the USBi mod described he
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AD1940,ADAU1446 - Output noise
Sirs Testing the AD1940 and ADAU1446 Evaluations Boards, with a simple circuit (in directly to out), just using one channel (mono), I put a 1Khz sinus at input, and check the output test pin (with no
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adau 1701 project and USBi
Hi all, i have problem with my firs own project with adau 1701. I made two boards but both not working. When i comile project and try to send project to the dsp (with analog usbi) i receive error mess
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graphic wave and frequency response
Hello everyone I am PaBLo8@. I'm not good with English so I am using a translator, I hope you understand me. I'm doing my thesis on audio, and I found the "MINI BOARD EVAL AD1940 SigmaDSP". So I'm loo
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Help on ADAU1446 Eval board
Dear Sirs I needing help on attached project in order to configure the ADAU1446 control and I have some additional questions. The idea is mount a board with 1 adau1446 and 2 ad1939 codecs (8 mono bala
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AD1940: RMS and readout via SPI
Im a student at the Beuth university in Berlin and im working on my final paper for the Bachelor right now. I have a problem with the AD1940 Sigma DSP, i want to generate an RMS of an audio stream (I2
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Content of Exported SigmaStudio PARAM.H file
Hi, I am puzzling over some of the parameters generated by Sigma Studio 3.5 for General Second Order filters for the ADAU1442 as presented in the exported PARAM.H file. The addresses and values for B2
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SigmaStudio 3.5 Export System files Problem
SigmaStudio 3.5 Build 7 Rev 912 12/6/2011 32 bit runnign on XP SP3 AD1940 I recently upgraded to 3.5 from 3.4 . Now the system export files have added IC_1 in the date defines for these sections /* Re
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EVAL-AD1940MINIBZ 需要软件和软件序列号
EVAL-AD1940MINIBZ 需要软件和软件序列号,请问在那下载? eval-ad1940minibz
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ad1940 slewram problem
SigmaStudio 3.4- I am using a Ad9140 in my system. brett alreay helped me on one problem I was having. I am using the standard SigmaStudio generated header files. However, I find that I can not use an
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AD1940
I am designing a system with a AD1940 controlled off a Pic24F microcontroller. For testing the hardware, I have a simple 4 in 4 out schematic, no processing, no volume controls. Straight in straight o
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Question about ADC frontends...
Guys, Not even sure if this is the right forum to ask this question. If not, just point me in the right direction and I'll ask it there. But, since it has to do with me interfacing to a SigmaDSP, I fi
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Does the AD1940 can implement phase shift? range is 0 to 180 degrees, step is 5 degrees.
Now I need do a phase shifter for audio signal processing project,need the frequency range is 20to 20KHz, the phase range is 0 to 180 degrees, step is 5 degrees, does the AD1940 can implement it?,or m