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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (34 topics).
34 topics · 161 messages
Filtered by: #adau+1701 ✕
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the coefficients of biquad do not match
Hello! I'm writing code for a microcontroller, and I've reached the stage of equalization, but I'm facing difficulties. In the sigma studio window, the coefficients differ from the generator built int
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FIR filter on ADAU 1701
I'm working on a project where I need to isolate a sound signal with a frequency range of 20-40kHz while filtering out unwanted low-frequency noise. To achieve this, I'm using a highly sensitive micro
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Use both internal and external TDM DACs
I know I can't use both TDM and l2s devices at the same time. But what about internal DAC's and ACD's, and an AD1938 in TDM mode? If so, can I mix the 4 internal DACs and up to 4 of the 1938 DACs? Aud
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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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How to implement external control using a rotary encoder to a DSP that does not have any type of external control on the ADAU1701 chip
Hello, I am creating a signal delay device for PA systems. For this I am using the DSP Delay that comes with Signa Studio and I need to add physical control using a rotary encoder but in the delay I c
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Adau 1701 TCPip dll protocol changed since Sigmastudio 4.5
Hi everybody, there has been a change in tcpip.dll since Sigmastudio 4.5. A simple read of two bytes that worked perfectly in 4.5 is no more working in 4.6 and 4.7. In sigmastudio 4.5 you can seee cle
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Assistance and guidance on a DSP file for a portable speaker project
Hi Everyone, I'm working on a tuning setup for a small compact, battery powered Bluetooth speaker I am working on as a project, which utilises the ADAU1701JSTZ to tune sound of a 3 inch sub and two 1.
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Loudness vs Dynamic loudness
Hello, I'm just starting to learn DSP, I'm making a bluetooth speaker. Please help me understand the difference between Loudness and Dynamic loudness. In my understanding, Loudness itself dynamically
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Adau 1701 connection using ethernet
How to connect dsp Adau 1701 using Ethernet / Lan ? 4.7 Choose a category adau 1701
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EVAL-ADUSB2EBZ
My glorious EVAL-ADUSB2EBZ suddenly stopped working. The U8 ADP1711AUJZ-3.3-R7 voltage regulator heats up. I cut track OUT pin 5 and the regulator works, I measure 3.3 volts on free pin 5. Unfortunate
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Checking for DSP-Type via I2C
Hello there, I am currently working with an ESP32 Dev-Board and the ADAU1701. I implemented a programm on the ESP for I am able use the TCP/IP-protocoll which Sigma Studios provides. At the moment it
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Sigma Studio "Comms Failed" Issue
I'm using the Dayton Audio ICP and DSPB-K circuit boards which feature the ADAU1701, and no matter what I do I cannot get past the link compile download step to download the DSP to the chip. Everytime
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sigmaDSP Bug?
Hello. I have one question. ADAU 1701 is mounted on the development product. When writing the DSP to ADAU 1701 using Linux, sometimes malfunction occurs. The Linux OS kernel is Ver 4.1.15. When checki
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EVAL-ADAU1701MINIZ vs EVAL-ADAU1401AEBZ
Hello, I would like to determine which Sigma DSP eval board is right for my project. Can you tell me the difference in limitations between the EVAL-ADAU1401AEBZ and the EVAL-ADAU1701MINIZ evaluation b
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How to select filters using input as the controller?
Hi, I'm working on a project where I need to switch the filters for different magnitude of input using ADAU 1701. Here is what I have so far: Zoom in to the upper part: So I try to use the RMS lookup
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ADAU1701 dissipation
ADAU1701 rev. C datasheet ( http://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1701.pdf ) has on page 6 wrong dissipation value ? May be misspelled number is 237mW instead of 286.5
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Communication between MEMS mic and ADAU1701
Hello everyone, I received an ADAU1701 evaluation board two days ago and I try to receive data from a MEMS mic which communicate with I2S( https://www.adafruit.com/product/3421 ). I am sorry if my que
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Guitar reverb and ADAU 1701
Hi There, I'm using a ADAU 1701 to create guitar effects in my new product. I have 3 sounds: Distortion, Chorus, and reverb. The Distortion and Chorus sound great, but I can't seem to get the Reverb t
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Sigma Studio IC-1 address incorrect
The 1701 literature (page 23, table 16) reports a bunch of device addresses with the address and R/w# combined. This is wrong, as the address is 7 bits not 8. If addr0 and addr1 are tied low, the devi
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ADAU 1701 external ADC with TDM
Hello, i my new project i want to use an external ADC to use some more audiostreams and also to control some aux adc functions. Because i need most of the gpio pins i want to use an 8-channnel time de
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adau1701 boot from arduino
Dear friends I'm in trouble and would like your help to solve it. I developed a hardware with adau1701 and it works perfectly using the SigmaStudio and USBI interface both SelfBoot mode using external
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Does ADI have a psycho-acoustic bass enhancement algorithm block available for the ADAU1701?
I'm looking for harmonic enhancement and suppression of the fundamental to decrease demands on the driver. Audio Signal Processors sigma studio eval adau1701 adau_1701 sigmastudio SigmaDSP Audio Proce
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migration from ADAU1701 to ADAU1450
We have a product based on the ADAU1701 and a microcontroller. The microcontroller uses SPI to load the DSP program and update parameters on the fly using hardware safeload writes. We are considering
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EVAL-ADAU1701MINIZ external switches/LEDs
Hey, I am a beginner with SigmaStudio DSPs and up till now everything has worked quite well, but now I have run into a problem: I am using the EVAL-ADAU1701MINIZ and was wondering if it is possible to
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ADAU1701 Filter Latency
hi guys I need your help. I designed a digital filter by Matlab and load the transform function parameters into the ADAU1701 board.The curve simulated in sigma studio is right，but I test the board use