• Zedboard ADAU1761 audio playing not working   (changed with three adau1761 chips )

    I have been trying to verify audio capture and playback functionality (using ADAU1761 codec and NOT HDMI) for the past few days.

    So far I could get the board to play audio files and  audio capture on zedboard,it works well.

    But I need to add 2 ADAU176…

    • pl.dtsi.zip

  • AD2428WG1BZ Eval Board ADAU1761 ADC Config

    Loopback.zip

    Hello,

    I am using the AD2428WG1BZ eval board which simulates as an A2B slave device. My goal is to implement a loopback test as follows:

    SoC -> Master A2B device (AD2433W) -> AD2428 A2B slave (on eval board) -> (via DTX0) ADAU1761…

  • Zedboard ADAU1761 播放声音没有声音（使用三个adau1761芯片）

    各位好，我在zedboard板上加载驱动后，可以正常播放和录音。

    但是我需要增加2个adau1761芯片，共三个adau1761 芯片，修改了设备树，加载驱动，用aplay播放不出声音。各位帮忙看看，十分感谢!

    看资料好像给pl用的dma就4个通道，所以第一个adau1761配的dma 0和dma1,第二个adau1761配的dma2,第三个adau1761配的dma3。

    设备树如下:

    / {

       amba_pl: amba_pl {

          #address-cells = <1>;…

    • pl.dtsi.zip

  • ADAU1761: Can I connect one analog and one digital input channel to the ADAU1761 and process both of them together?

    Q 

    I need only left channel of SPDIF audio and  microphone in same time. It is
    possible to configure codec to work in this way (analogue audio – MIC and  left
    or right channel from digital input )? 

     

    A 

    Yes, you can connect both one analog and…

  • ADAU1761 input noise

    Hello, I am using ADAU1761 at 48Khz sampling. I have noticed a fairly strong "hiss" type noise when the is no input and levels are all set around 0db or -10db etc.

     if I mute all inputs the noise is still there. if I disable the input mixer,…

  • ADAU1761 Programming

    Hello,

    I noticed that sometime when I download the program into the ADAU1671 the code is not programmed correctly:

    This behavior happen when I try to configure a configured board.

    The only way I  found to program the ADAU1761 in this situation is to…

  • ADAU1761 LINEOUT

    Hello,

    I'd like to kwon the THD performance of LINEOUT outoput of ADAU1761 with different output load

    I need to drive a load of 10K and a load of 5Kohm

  • adau1761

    zedboard上通过adau1761实现录音功能，播放录音文件最开始出现“pop”的爆音问题

    硬件：zedboard+adau1761音频设备，自备可以录音和播放的耳机；

       系统镜像：https://wiki.analog.com/resources/tools-software/linux-software/zynq_images，下载2017_R1-2018_01_29.img，烧到到sd卡，zedboard启动后可以通过“arecord -l”命令检测到adau1761设备；

       录音命令…

    • attachments.zip

  • ADAU1761 grounding

    From the data sheet I read:

    NOTES
    1. THE EXPOSED PAD IS CONNECTED INTERNALLY TO THE
       ADAU1761 GROUNDS. FOR INCREASED RELIABILITY OF THE
       SOLDER JOINTS AND MAXIMUM THERMAL CAPABILITY, IT IS
       RECOMMENDED THAT THE PAD BE SOLDERED TO THE
       GROUND PLANE.

    I am…

  • ADAU1761

    Dear All,

    I have a questions regarding the analog input channels of the codec ADAU1761. 
    I am using the single-ended input configuration with a bypass capacitor because the codec has the input biased at AVDD/2.
Now, before to enter in the codec I would…