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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (55 topics).
55 topics · 254 messages
Filtered by: #output ✕
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Help with Measuring Input Volume and Setting that Volume as Output
Hello all, I recently bought an ADAU1467 Eval Board and, as a newbie to this kind of thing, am trying to get familiar with this tech and the SigmaStudio software. I am trying to make a schematic in Si
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ADAU1452 + CS42488 output noise
Hello, I need your advice and help. I have 4 DSP pair boards - ADAU1452 + CS42488. All programmed successfully with fs = 192 KHz . Project is simple DSP 3 way crossover. The problem is permanent noise
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ADAU1701 IIS input 192Khz signal to enable filter, DAC playback has noise
Specific operation description: As shown in the schematic diagram above, currently only one General 2nd filter is added, set to hpf and 60Hz corner frequency. Set the sample rate to 192K and the DSP c
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adau1701 max in and output
Hello! I would like to know more about the capabilities of the ADAU1701. The DSP can handle 6 inputs and 6 outputs at the same time? I would just put a delay on some output channel. In addition, I wou
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ADAU1401 Connection with PCM5102A Troubble shooting
Hello there, I have recently created my first project in sigma studio for an amplifier I am putting together. The Project had been running fine using the DAC's Build into the ADAU1401 however I have b
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Clock sharing for multiple I2S SDATA Outputs
Hello, For a multichannel project I am using all 4 serial data output ports of an ADAU1466 DSP, each sending 2-Channel I2S (or potentially multichannel TDM) audio data to one of four DACs (expectig 3-
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PDM output
Hi We are trying to route a signal from FDSP channel 2 to PDM output, but the only thing we see on the PDM output is noise. Changing to routing to a different FDSP or SDSP channel does not seem to hav
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How do I modify this 2way project file to get the SPIDF output working on my HiFiBerry Beocreate 4ch amplifier?
I really need help on this or my boombox project is dead in the water! Here is a link to the 2-way project file I downloaded from HiFiBerry: https://www.hifiberry.com/wp-content/uploads/2017/10/2-way-
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Syncing output to input using ASRC
I’m using the ADAU1466 running at a 48 kHz sampling rate for a project. I have a digital input that will accept either 44.1 or 48 kHz sampling rate, going through an ASRC at input to sync it to the DS
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ADAU1701 I2S output to PCM5102 DAC
Hello! I've been working on creating a 5-channel speaker system with the Dayton Audio KABD-430 (which uses the ADAU1701 chip) for some time now, and I've been having a lot of trouble with the 5th chan
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Adau 1467 Input 32/33 does not work
Hello everybode My adau 1467 does not work properly channels 36/37 work but 32/33 does not work i need but both for once a microphone and once for music can someone help me trying for the whole day Th
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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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ADAU1787 I2S output?
I want to use ADAU1787 for use in a stereo 2-way application that utilizes I2S input, and output by I2S and both DACs. The problems I have run into: Using SigmaDSP Serial Audio input, no signal is com
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Decimation - Output sampling rate
Hi, I have adau1452 sigmaDSP on an A2B chain and this dsp streams data to the host (SC589-SAM). The adau1452 receive samples from an accelerometer and is programmed with a decimation block via sigma s
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Using I2S Audio Breakout as a subwoofer out (RCA) on ADAU1701 (KABD-430)
Hey guys, I’m working on a project where I’d like to include a subwoofer out to my KABD-430. It only has a I2S digital output available. I looked online and I couldn’t find much other than the SparkFu
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On the Compilation and Output Window of SigmaStudio
hello everyone! I use ADAU1452+SigmaStudio4.7. What is the main information in the compile output window? What does the row and column of the table mean? Can someone help me? I need to explain relevan
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how to connect a bluetooth device (headphone or speaker box) in a2dp bluetooth profile, and in sink role, to an eval adau 1467Z board ?
Hello I would like to send one or many stereo outputs of my eval adu 1467Z board to some cheap off the shelf hardware which will convert it to wireless (bluetooth) so that it can be received by any ma
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ADAU1777 I2S output
Hello, When I use adau1777 serial output ports, I encounter some confuse problem. When I configure I2S SAI as below. the first channel data miss. When I configure the LRCLK mode as Pluse, others is sa
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Help with Modified FxLMS/FxNLMS in an ANC application
Hello, I am currently working on my senior design project for my bachelors in electrical engineering. The project is an ANC device for use on rigid barriers. The idea is to use a tactile transducer as
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ADAU1787 i2s input to DAC Output with filters
Hello, I want to pass the incoming i2s signal (from a bluetooth to i2s device) to EQ Filter and then as output to the DAC. I used this as an example, but removed the FDEC: ADAU1787 two-way bluetooth s
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Need help for ASRC lock noise and GPIO output
Hi my design has 5 input channels to ASRC and I figure out that sometimes noise coming out when ASRC is locking and I searched the answers to solve this problem and I found the only way out but someti
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Adau1701 bluetooth i2s
I'm developing an amplifier board, and i want to stream stereo sound to the adau1701 via a Bluetooth module (nrf52832). i want the DSP to work as a master since I already have a crystal connected to i
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ADAU1462 -- how to "silence" I2S output(s)?
How can I programmatically and at run-time disable (or at least completely silence) an I2S output? By "completely silence", I mean make it output all-zeros; in particular, force the SDATA pin to outpu
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High Speed Audio Output Interface
Hi ADI Support, I have a question about the ADI ADAU1787 audio output interface. Cause the AD/DA of ADAU1787 are super fast, the sampling rate up to 768k Hz. I want to get the high sampling rate data
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ADAU1701 -- Output a copy of the I2S audio input to an I2S output
The context is: Custom board designed to be modular --- each particular board will use either L, or R, or possibly both, and may work with a particular audio band or with the full spectrum. Thus, I wa