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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (352 topics).
352 topics · 1825 messages
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View SECONDARY_I2C traffic in Capture Window?
In another thread, I saw a Capture Window log with IC 1.SECONDARY_I2C Block writes logged. I'm currently seeing I2C transactions on the secondary bus using a Beagle I2C analyzer, but I'm wondering how
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Not seeing I2C traffic on SCL2_M,SDA2_M pins with ADAU1463
My circuit board has SCL2_M and SDA2_M connected to a DAC, ADC, and two AD2437 chips. This I2C bus has pull-ups on the PCB, immediately beside the ADAU1463 pins, and then the traces continue to the AD
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Export system Files .h SIGMA_WRITE_DELAY erroroneus call
I dont know if this is a bug Sigmastudio+ 3.3.0 wen i export system files , the .h generated, calls this function on SigmastudioFW.h, with four arguments SIGMA_WRITE_DELAY(DEVICE_ADDR_ADAU145XSCHEMATI
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Runtime Delay Adjustment Causing Unexpected Glitch in SigmaStudio 4.5
I'm using multiple simple Delay blocks to offset separate data flows in a SigmaStudio 4.5 project. ___________________________________________ Example Setup: SourceA --> DelayA --> SourceA_delayed Sou
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AEC/NR functionality in SigmaStudio+ – workarounds or release plan
Hi everyone, I’m working on a SigmaDSP project and currently testing both the classic SigmaStudio and the new SigmaStudio+. While the old SigmaStudio setup works, for the final design we will need to
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SigmaStudio 4.7 → SigmaStudio+ 2.3 (ADAU1452+CS42448): AEC/NR/VDA availability & implementation workflow
Context Migrating a working SigmaStudio 4.7 project (ADAU1452 + CS42448) that includes AEC, NR, and VAD to SigmaStudio+ 2.3. In 4.7, Export System Files is greyed out (project uses trial AEC/NR). In S
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Possibilities for mixing SPI and I2C devices on the same Master Control Port?
I am currently designing the schematic for a DSP Board including the ADAU1452, CAT25512XE EEPROM, LM63DIMAX temp sensor, AK5574 ADC and AK4458 DAC. I am wondering if it is possible to mix SPI and I2C
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Master control port registers for address width and value?
Is it possible to set the SPI address width using the DSP control registers? I'm asking about the 2-byte (16-bit) versus 3-byte (24-bit) address variations. On a similar note, is it possible to set th
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ADAU1452 and CS42448 PARTIALLY WORKING
Hello everyone, After playing around for a while with what seems to be a familiar devkit in the forum (based in 2 PCB, one for the ADAU1452 DSP and a daughter board with the CS42448 CODEC) I managed t
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Using RMS compressor with peak detection sidechain.
I'm running low on instructions and would like to have the option of peak and RMS compression. I'm thinking I could use an RMS compressor with an optional peak detector on the external detect pin and
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Changing Q of State Variable also changes frequency.
Hi, I've started to use the State Variable (Q/F input) block and I'm observing that changing the Q also changes the frequency, please see pictures below that show this. Change Q to 10: Increasing the
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ADAU1452 + CODEC CS42448 is not working
I can not make the ADAU1452 with CS42448 working. I tried the small program provided bij ADI : RE: Using an external Audio Codec (cs42448) with ADAU1452 But it is not working. I dont know how to use t
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adau1701 clocks configurations
Hello dear engineers! I'm working on a project with ADAU1701, with an external main microcontroller that provides all the clocks to the DSP. I'm using TDM subordinate mode with a 1024 instructions len
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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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Evaluate modulation methods for ultrasonic array
Hello I have an EVAL-ADAU1466Z board and I want to use it for a 40kHz parametric loudspeaker array project. My goal is to evaluate different modulation methods like PWM, SSB, AM, etc. My question is,
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Adau1467 expand I/O ADC and DAC
Dear sir/madam, As I am working with the Adau1467, I'm running out of ADC and DAC pins. For this application I would like to use at least 6 microphones, 1 audio input and 14 DAC outputs. I could use t
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ADAU1442 Feedback Suppression
Hello, I am new to posting here and also new to audio electronics; so my apologies in advance if my question is naive. I am designing a audio mixer amplifier and I would like to use the ADAU1442 or AD
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ADAU1452 SPDIFIN pin voltage level(s)
Hi, can anyone point me to where there is a specification for the acceptable voltage levels on the SPDIFIN pin of an ADAU1452 DSP device? The only thing I can find in the data-sheet is on page 11 wher
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EVAL-ADAU144XEBZ problem with Sigma Studio - no audio or clocks with example signal flow
I am trying to get the basic test configuration outlined in the "user guide ADAU1442 eval board UG-032.pdf" working. I follow all the instructions on pages 5-9, culminating in the step below, but I ge
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Using an external Audio Codec (cs42448) with ADAU1452
Hello, I'm in the process of building a 6ch output DSP. I have worked succesfully with the AUAD1701, but now i'm stuggeling to get an external Audio Codec working with ADAU1452. I would be very glad i
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Problem I2S bclk polarity with adau1466
Hello, first, sorry for this google traduction... I have a circuit which has this particularity: the i2s signal is generated by a type 45 logic CMOS circuit. When the spdif signal is 44.1khz no proble
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ADAU1452 FIR TAP count
Hello All, I was wondering, if I have programmed a DSP application, containing a FIR with 6000 taps, is it allowed that I change the tap count afterwards in, for example, 300 and upload 300 new co&eum
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Simple example of ADAU1445 application to control analog input.
Hello Analog team, can you present simple application for ADAU1445, where we can connect external uC (like ESP) to control it? The most critical options we need: - input volume gain/attenuate (from mu
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Upgrade from ADAU1701 to 6 or 7 stereo I2S inputs
I need to connect the DSP to a raspberry PI and the PI can only do I2S (in and out) at 48k and no TDM There are also 2 TI TLV320ADC6140 ADC's both capable of I2S and TDM And we run out of instructions
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ADAU1452 16in/16out TDM Audio Matrix
Hello, Is there an easy way of making an audio matrix with ADAU1452? The plan is to route 16 TDM inputs to 16 TDM outputs (with some processing in between) in a flexible way (be able to control routin