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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (54 topics).
54 topics · 298 messages
Filtered by: AD1938 ✕
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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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AD1939 Sigma Studio Comms Failed
I've just built my first circuit/PCB with an AD1939 codec. Powered up and have checked for shorts in the circuit etc... Connected my USBi device (from an eval' board) and setup a quick SigmaStudio pro
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ADAU1452 Linux driver
Hello! I would highly appreciated if someone could refer to an ADAU1452 driver for linux? Maybe exist a driver for another similar AD device which can be used as a reference? Thank you in advance! Bes
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How to run the AD1938 codec on the EVAL-ADAU1466Z at higher sample rates
DOCX1466 passthru 192k.dspproj Audio Signal Processors adau1452 Audio Products hardware ad1938 Integrated/Special Purpose A/D Converters SigmaDSP Audio Processors Audio CODECs adau1466 Show More
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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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EVAL-ADAU1466Z Poor ANC on White Noise and Speech
Hello, I am working on an ANC project for my internship, and I am having trouble getting the platform to cancel certain types of noise. With my current setup I am able to cancel tonal noise, multi-ton
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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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Sigma studio / ADAU1452 set up & tuning advice
Hello, please bear with me as I am new to Sigma Studio but not new to audio tuning in the sense of evaluating & using proprietary sw tools to improve the audio on the car. I have been handed a Sigma S
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Master Control Port and Parameter Update
Dear Team, While I see that Sigma Studio allows SPI Parameter updates via GUI / Capture Window , I actually want to update the same SPI parameters using the master Control Port (via the xml file ) . I
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Using the AD1938 DAC
Description: For a hearing therapy project I need to create a portable player that is capable of playing a wav file of 4 audio channels. For this, I am thinking of using the AD1938 DAC and an esp32-S2
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dirty DAC output AD1938 in Adau1452eval
By setting a fixed reference voltage from SigmaStudio and applying it to ADAU1452REVBZ, I can see a four or more level noise on AD1938 DAC output. Frequency of that noise seems fixed, and related to M
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High quality vocal reverb with chorus, light organ and fast mic feedbach destroyer with ADAU1452
Ich bin noch unerfahren mit sigmastudio und habe mich für die ADAU1452 und AD1938 Codec entschieden. Ich wollte zuerst den Shark doch es hiess der sei nicht grafisch zu programmieren, nur in c Ic
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OFFSET VOLTAGE AT AD1938 CODEC DAC OUTPUT
Hi Support Team, I have EVAL-ADAU1466 Board and I'measuring 240mvDC offset at DAC outputs.Why I'm having such a big offset voltage and is there a way to eliminate this offset voltage at DAC1L(TP75) an
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How to set EVAL-ADAU1466Z EVAL BOARD sample rate to 192Khz?
I have modified EVAL-ADAU1466Z EVAL BOARD to control AD1938 via Sigma Studio Version 4.6. and set sample rate to 96Khz and got sinewave(40000Kz) succcesfully. When I had changed to 192Khz it did not w
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Two AD1938 in daisy chain with ADAU1452
Hi, I am trying to connect two AD1938 in "daisy chain" mode to one ADAU1452 DSP, but I am stuck... The first thing I want to do is to config the hardware registers on both codecs so they can work in "
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AD1938 + ADAU1452 (I/O configuration)
Hello! It is impossible to master the array of information in the technical documentation. I hope for help. There are ADAU1452 + AD1938 boards. I need to build a chain: AD1938 - ADC input 2 channels,
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ADAU1452 PLL lock not working on custom PCB
Hello, everyone! We are developing a board with ADAU1452, which includes AD1938 and TPA3255. We have a problem: the ADAU1452 does not work on our board, but it works on another debug board nearby. Con
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EVAL ADAU1452 REV BZ StandAlone Mode
Dear Team, Few queries related to on board AD1938 in ADAU1452 Rev BZ eval board . 1. The MCLK dictates the time for which the codec enters standalone mode which in my case is around ~ 5.23ms this time
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EVAL-ADAU1452: Unable to get the I2S#2 input working
Hello everybody! I'm very new to this forum and to digital audio (PCM, TDM, I2S and so on) so I may ask stupid questions. Don't be mad at me :-) I have an ADAU1452 evaluation board on which I'm trying
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Replacing ADAU1442 with ADAU1467
Hi, for a redesign of a system with ADAU1442 and 5 AD1938 i want to replace the ADAU1442 with the ADAU1467. I try to remove the ADAU1442 in the hardware config, there is an error message "The selected
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ADAU1452 with 2 x AD1938 at 192kHz
We have a product currently operating with ADAU1452 as master with 2 x AD1938 codecs at 96kHz, with DACS operating at TDM8. SDATA_OUT0 goes to AD1938 #1 and SDATA_OUT1 goes to AD1938 #2. It is my unde
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EVAL-ADAU1452REVBZ
Greetings, Is there any UG available for EVAL-ADAU1452REVBZ yet? Very curious to see the improvements as I've found connecting an external codec a bit more painful than expected, also can't test the A
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EVAL-ADAU1466Z schematic
Hello, I need information about the EVAL-ADAU1466Z. In this evaluation board schematic (UG-1135 rev. 0 available on the site) there are some port hanging. Two are OP_AMP_REF1 and OP_AMP_REF2 (pag. 33-