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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (4061 topics).
4061 topics · 19843 messages
Filtered by: #audio ✕
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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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ADAU1978 configuration
Hello everyone, I'm a little confused with some of the ADAU1978 settings: 1) what is the MCLK frequency range? The timing specification offers only the table with specific MCLK values that can be used
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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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How to implement real-time convolution using SigmaStudio function blocks for ADAU1787
Hi everyone, I want to implement FxLMS-based ANC on ADAU1787 and I have no idea how to implement the convolution with real-time audio signal and the dynamic coefficients using SigmaStudio function blo
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ADAU1701 self-boots and registers verify correctly, but Sdata_out0 (MP6) never outputs any data
Hi, i would need some help on my custom ESP32 + ADAU1701 schematic, i am stuck at an unusual issue and i cna't progress past it, please read below, will provide more info if needed, just say what that
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ad1938+adau1452 noise
Dear ADI staff: I designed a DSP board using AUAU1452 and AD1938, and controlled it using STM32F103RCT6 with a sampling frequency of 48K, using hardware mode, During testing, it was found that AD1938
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AD1938+1ADU1452 NOISE
Dear ADI staff: I designed a DSP board using AUAU1452 and AD1938, and controlled it using STM32F103RCT6 with a sampling frequency of 48K, using hardware mode, During testing, it was found that AD1938
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ADAU1452 + AD1938 Setting I/O problem
Hello, I bought a two-board set consisting of an ADAU1452 DSP and an AD1938 codec. I managed to get it up and running using a modified '192i2s.dspproj' test file. The sound quality is excellent. In my
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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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Just new to Sigma Studio and am programming a Dayton Audio KABD250 amp. With the optional back panel kit, they include a power switch. I'd like to know where in the circuit it should be wired in to avoid pops and noises, etc. Should it be wired into th
I am programming a Dayton Audio KABD250 amp. With the optional back panel kit, they include a power switch. I'd like to know where in the circuit it should be wired in to avoid pops and noises, etc. S
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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