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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (28 topics).
28 topics · 137 messages
Filtered by: #audio+a_2f00_d+converters ✕
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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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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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I2S vs TDM requirement for ADAU7118 with 6 digital microphones on RK3588
Dear ADI team, I would like to ask for clarification regarding the audio interface selection for the following architecture: Processor: Rockchip RK3588 (CM3588) Audio codec / DSP: ADAU7118ACPZRL Micro
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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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Is PLL filter always needed in ADAU1978?
I started right now to design a board with the ADAU1978. In the current design, a microcontroller generates all the I2S signals, included master clock. The question is: can I supply ADAU with all the
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ADAU1977Z USB communication failure has occurred
Hi, We are trying to evaluate the results using ADAU1977Z. I followed the Evaluation Board User Guide UG-600 to set up the board. <www.analog.com/.../adau1977.html I am currently stuck at "STANDALONE
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ADAU1979 behavior under loss of MCLK
Is anyone aware of any abnormal behavior in the ADAU1979 if MCLK is lost (but BCLK and LRCLK keep running)?
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ADAU1978 Digital DC high-pass filter
Hello, I'm using ADAU1978, can you please clarify the use of the digital DC high pass filter configured in register 0x1A bits 0-3? Also, how is it working with enabling DC calibration (in register 0x0
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ADAU1979: What starts a conversion cycle?
We're using multiple ADAU1979 ADC's in our design. The datasheet for this ADC is notably vague on which clocks are controlling the internal conversion. It is understood that the LRCLK and BCLK control
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EVAL-ADUSB2EBZ not detected on USB
Hello, I just received a EVAL-ADUSB2EBZ adapt board to drive the eval kit EVAL-ADAU7118Z kit. If I plug it on my windows10 computer, Windows does not detect it, and does not print message for installi
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is connecting the exposed pad on the adau1977 absolutely necessary
will a nc prevent the part from functioning? problem Integrated/Special Purpose A/D Converters adau1977 Audio A/D Converters
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ADAU1977 Configuration
Hi, I would like to apply the ADAU1977 for multi analog input as shown in the picture below May I know is this possible? And, what about the I2S output? Can I select the output from which two analog c
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Questions about ADAU1978 in SA mode
Hello I want to use the ADAU1978 in SA mode. For this I connect: 1. SA_MODE to IOVDD (for standalone Hardware mode) . 2. ADDR0 to GND (for I2S mode) 3. ADDR1 to IOVDD (Slave mode). SigmaDSP processor
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ADAU1978 configuration
Hi, I am going to use ADAU1978 audio codec. I have 3 MICs connected to 3 of the ADCs on the codec. I use I2C interface between the codec and STM3F407. What are the register settings that needs to be d
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what is the max number of input channels in the adau1979 ADC
I saw in the adau1979 manual on page 16, that there is an option of 16 input channels. As mentioned there: "Alternatively, one of the TDM modes can be used to support up to 16 channels on a single TDM
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ADAU1977
Dear Support, I look for ADAU1977 Digital volume control information at D.S but not found pls advice Thank you in advance Miguel Liber
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ADC ADAU1978 TDM mode with DSP ADAU1452 - VR volume control THD issue
Hi all! I am trying multi-channel setting, My testing enviroment : ADC: ADAU1978, TDM mode (TDM16), DSP: ADAU1452, DAC: ADAU1962 (only one DAC) Volume control: Variable Resistor(VR) The TDM mode setti
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ADAU1977 Evaluation GUI Crash
Hi Sir, My OS is Win7 Pro 32bits version but I encountered some questions when run ADAU1977 evaluation software GUI. And I've tried to installed in on three computers but all problems are the same. Th
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Are ADAU1962 & ADAU1978 available in SigmaStudio?
Dear Sir, I can't find ADAU1962 & ADAU1978 in SigmaStudio (Ver 3.13). Can you please kindly advise how to find these two component or is any library that I can import to SigmaStudio? Thanks very much
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configuring the ADAU1962 to tdm8
Hi I am using the EZ board SC-584 with the Talkthrue code example. I have tried it out by inputting to the adau1979 with 4 inputs 2 SPORT channels (PRI+SEC) with stereo mode. and for output I use the
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(case#: S13KK00233) SIGMA DSP ADAU1701/1702 proposal for xxxx.
Our customer xxx doesn’t understand why the AD1974 is not necessary ( as you suggested in your first answer) … they planed to use it in the way that they had already explained: “Our customer xxxx ( sp
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ADAU1701 I2S Input
I am having trouble connecting I2S data from an AD1871 to an ADAU1701 evaluation board and am having two seemingly related problems: 1. I cannot get digital audio into the DSP, and 2. When trying to d