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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (3702 topics).
3702 topics · 18420 messages
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Generate a single pulse with ADAU1761 and Sigma Studio
As I'm a new user, Hi Everyone! I hope you can help me with my problem. I have the EVAL-ADAU1761Z board and I need to generate a single square pulse and send it to HP Out. The pulse has to be 100µs an
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External SPI RAM
Hi I am currently looking to build a 4 tap delay with up to 5 seconds of delay. Each tap will have individual filtering and different modulation options. I see that the ADAU1452 has an external RAM bl
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ADAU1462 data memory size
Hello, According to the datasheet for the ADAU1462, the data memory size is 48kWords. However, according to the compiler output window in Sigma Studio 3.17: ADAU1452 - DM0: 20480, DM1:20480, PM: 8192
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ADAU1462-150 PLL and other settings
Hi, I was starting implementation for the ADAU1462-150 and came accross some points that are unclear for me. 1) The datasheet shows in Table 20 on page 29 the predivider and feedback divider settings.
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ADAU1962A Pop-up noise after Power-ON
Dear Team, Initially pop-up noise is observed at ADAU1962A DAC output after enabling Master Power-Up bit of PLL_CLK_CTRL0 register. Please find the attachment for ADAU1962A configuration code. Could y
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ADAU146x SRC Latency
Hello, I've got an ADAU1462 project that takes i2s in, sends through ASRC to internal sample rate of 96kHz. When measuring the end-to-end latency of the system with fs_in = 48kHz, I get 1.521ms, and w
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ADAU14: Capturing pulse shorter than a frame?
Using ADAU1462 will it be possible to capture pulses shorter than an audio frame? E.g. can in inputs be set as rising edge triggered so it remembers the state even though the signal is no longer high
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ADAU version that supports noise reduction
Hello everyone. I have a sealed plastic enclosure, 80 x 40 x 20 mm, with a 1.5 mm wall thickness, made of ABS plastic. I need to convert the front panel into a highly sensitive microphone. I used a pi
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Unconventional application of the ADAU1452 audio processor
I used an audio processor in a non-standard way for a metal detector. I want to be able to select a project (program) that will be loaded into the ADAU1452 from EEPROM by pressing buttons connected to
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SPDIF TX configuration and timing problems between chained devices
Hi Team, I have a custom made DSP board for a loudspeaker based on the ADAU1466 and currently having a problem with my S/PDIF signal chain. I run an ADC (@96khz) on SIDN1 through a ASRC2 into the DSP
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Request for Review of ADAU1451 DSP Audio Architecture
Dear Analog Devices Support Team, I would like to ask for your support in reviewing the audio architecture of our system using the ADAU1451 DSP. System overview Host processor: Rockchip CM3588 DSP: AD
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Where is dither?
The Data Sheet section on Hardware Accelerators says "The core includes accelerators like division, square root, barrel shifters, Base 2 logarithm, Base 2 exponential, slew, and a pseudorandom number
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Boot ADAU1452 from ESP32 without EEPROM (RAM loader via I2C)
Cześć, udostępnić rozwiązanie rozwiązania uruchamiania konfiguracji ADAU1452 SigmaDSP bezpośrednio z konfiguracji ESP32 za pośrednictwem interfejsu I²C bez użycia pamięci Selfboot EEPROM . W moim
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write self-boot memory through DSP
Hello, I am working with a self made PCB with ADAU1452 and 25AA1024 SPI-EEPROM. The connection to the board works fine. I can get audio in and out of the DSP. But I am not able to write the last compi
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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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Issues understanding the running average block
Hello thank you for taking your time to read my issue, I am attempting to design a logic flow to distinguish between two signals of the same amplitude (Value = 1.0): A sustained pulse with a duration
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Odd problem with LRCLK
Hi, we have a product that used an ADAU1452 DSP processor and we are experiencing an odd problem with the LRCLK that we are sending into and using as a reference for, the SERIAL PORTS. Firstly, I see
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ADAU1466 DSP code evaluation possibilities in 'ADAU1452 processor' based Hardware
Need to confirm, possibilities of evaluating the ADAU1466 complied code in ADAU1452 processor-based Hardware. Considering the ADAU1466 processor has more program memory and data/parameter RAM memory w
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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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ESP32 SPI control of ADAU1467 parameter RAM on EVAL-ADAU1467Z — writes not taking effect
I'm trying to control an ADAU1467 on the EVAL-ADAU1467Z evaluation board from an ESP32 microcontroller via SPI on the J1 slave control port header (the same header used by the USBi). Setup: EVAL-ADAU1
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Pitch shifter /Harmonizer
Hello,Could you provide an algorithm for a pitch shifter that produces double note sounds, as well as dry and wet signals? In other words, like a harmonizer effect, it should produce sounds at three d
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Implementing a Harmonic Exciter / Treble Boost on ADAU1701
I want to implement a harmonic exciter effect for high-frequency enhancement (like adding 'air' and clarity) on the ADAU1701 using SigmaStudio. Is this achievable? Audio Signal Processors software Sig
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Loading dsp data using esp32 holds i2c lines low
On ESP32 I program the ADAU1452 DSP over a shared I2C bus during startup (bulk writes of the DSP image). During this DSP load phase I have observed, on a logic analyzer that both I2C lines (SCL and SD
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TDM2 oder 8 channels
Hey together, one question. We know that it is possible to send 16 channels of audio via serial port 0/1 via a single SDATA pin (16 channels), via 2 SDATA pins (2x8channels) and 4 SDATA pins (4x4chann
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How to make a 10 band audio equalizer controlled by 10 analog pot, using an adau1701 and two CD4051
Hi, I want to create a 10-band audio equalizer (31Hz-16kHz) using the ADAU1701 and controlling it with 10 slide potentiometers. I want to read the potentiometer readings using the same DSP without an