• How can I set the SPDIF Out of a Wolfson card for 48KHz output

    Just registered and after a long research...


    The set:

    • Wolfson card on Raspberry Pi B
    • Volumio 1.55 with the patch of Ragnar
    • Yamaha RX-V595RDS
    • very cheap cinch auido cable, about 1.5m (for sure not a chance to be 75 Ohm)
    • some mp3, FLAC files


    The history:

    • Headset…
  • Pi 2 in the future?  Please?

    On the box and on the sales material it says the audio I/O card is available for rev B and onwards. This is incorrect. Current 2 versions do not have the 5-pin header needed and have an expanded GPIO connector. Is there a revision of the audio board in…

  • HQ Audio Recording/Network Distribution Questions

    Hey folks,


    I'm working on a project where my Wolfson card is going to take high bit rate (HBR) (24 bit/192 kHz) audio in and then passes that stream out to the network for other RPi/Wolfson units to play the music out to local speakers. I have been doing…

  • where are the source patch of the kernel 3.12.x ?



    I'm on pidora, I should like to compile the kernel with the driver of the wolfson audio card but I don't find the patch for the kernel 3.12, I finded just for the 3.10.

    Anybody knows where they are ?

  • Experiencing digital niose with Wolfson

    I installed my newly purchased Wolfson sound card onto the Rasberry PI and after lots of messing around with drivers that don't support the current branch of debian linux (disappointed with the lack of support here) I finally have sound.


    Whilst the…

  • raspberry pi  Wolfson Audio Card to identy sound signature

    how do i use Wolfson Audio Card to identy sound signature. I want to record some sound & compare with unkown to detect the match presantage like DTW function

  • Wolfson Audio Card--software interfaces

    I would like to know how to get to the record and playback audio buffers to I can put the audio data into UDP packets for transmission/reception off board via ethernet/IP.. If anyone knows how to get the the Rapian ethernet buffers, that would also be…

  • Rasberry pi B + Wolfson DAC no audio



    I'm trying to get volumio running on my rasberry pi B (original) and I cannot seem to get any audio out of the system, line out or headphones.


    I'm currently just using the disk image that volumio provides as their build -- not sure what OS they…

  • Capturing and processing audio input with Python

    Experienced Python on XP, linux noob here.


    I need a remote audio analyser I can network to. I have been pointed at the Wolfson card to add to my Pi (not really used the Pi properly yet, need a project to get stuck into it). Before I buy it, I presume I…

  • live streaming with wolfson and darkice - update and query

    Hi all


    Thanks very much to Ragnar et al for help with this so far.




    We successfully set up high quality live audio streaming to a remote server, using darkice and the Wolfson soundcard. For anyone encountering the issues we had: we had persistent …

  • Sprung connectors do not align with P5?

    Hi everyone, I just bought a Wolfson Audio Card to use with a Raspberry Pi Model B. I'm trying to follow the instructions on the Wolfson manual, but when I insert the audio card in the main GPIO header, the sprung connectors do not align properly with…

  • Wolfson: can't record with the SPDIF IN / impossible d'enregistrer avec la prise SPDIF IN




    J'ai acheté et installé une carte son Wolfson sur mon Raspberry Pi B, puis installé le Master contenant les drivers et logiciels et fichiers de démonstrations sur ma carte SD.


    -La lecture de fichiers FLAC fonctionne très bien (avec…

  • What are the left GPIOS when using Wolfson Audio Card ?

    I would like to use some gpios for my stuff beside using the wolson audio card, but I can not find which are the GPIO that are still available.


    Can some one help me about this ?


    Best Regards

  • What's the Fuzz with the software download for the Wolfson Audio Card?

    Been trying since 6/15 to download:


    All IE, Firefox and Chrome get is 408MB


    Today I tried wget from the PI and get 408MB.


    Gave up on wget and tried curl, I get less, 398MB…

  • Wolfson recording and encoding at same time...

    I use some software to capture audio and send it along to another server in MP3 format... working great... what I need to be able to do is


    ENCODE this stream




    Then based on some even triggers RECORD one of the inputs under Python (if I can find a library…

  • How to output 2 different audio files to 2 different audio output ?

    With 2 threads, or 2 different software, I would like to do on an raspberrypi :


    - play an stereo file to the line output

    - play an different file to the spdif (or headset) output.


    So from, what should be the amixer lines of code to do that,  and what shoukd…

  • Wolfson Audio Card

    What is the specified compatible headset for the black mic/headset jack on the Wolfson Audio Card for Raspberry PI?

    Or, what is the specified compatible audio plug for the black mic/headset jack on the Wolfson Audio Card for Raspberry PI?


    I looked at the…

  • How to alter the audio samples acquired from Wolfson Audio Card on RaspberryPi and playback the altered samples?


    I am a newbie to raspberry pi and its accessories.. I want to experiment with Wolfson Audio card for my project, which needs to alter the audio samples captured by the card and playback the altered samples in REAL TIME.


    I have written a C program which…

  • Wolfson card & HDMI



    Completely new to this fascinating world of Raspberry Pie, I have to pose a simple question: does the new Wolfson sound card improve the sound through HDMI, or do I need to use the jack connection?

    Thanks for answering....



  • Using Wolfson Pi and PiTFT 2.8" touchscreen

    Since this is my first post, I would like to welcome all users.

    I believe that while Wolfson Pi is an excellent opportunity to provide an audio interface for Raspberry Pi, a number of users (such as myself) already use PiTFT to display the console output…

  • Wolfson audio card + Jasper ?



    has anyone been able to get Jasper (Jasper | Control everything with your voice ) to work with the Wolfson audio card ?


    I tried getting it to work with two different approaches and ended up with the same result (which is something good I suppose).

    • Took…
  • overrun on arecord

    I'm trying to do some recordings from the Wolfson audio card. I tried both the SPDIF in and the Line In, and I'm getting every 45 sec or so a overrun on arecord. They last from 20 ms to 60 ms.

    Anyone knows why is that? How to fix it?


    The SD card…

  • Why does the Wolfson Audio Card use two I2C buses?

    I want to use my Pi with Wolfson card as a headless recording device, so I need some buttons and status LEDs.  While researching how to do this I found out that the I2C bus can have multiple devices on it including I/O expanders, but this leaves me with…

  • Control WM5102 GPIO using SPI

    Plugged the device in for the first time last night and sound came out... so far so good...


    I'm trying to investigate playing with the GPIO on WM5102 on the sound card but I'm having trouble doing register writes using the SPI interface. It looks (from…

  • Cirrus Logic - RPI 2 FFT on streaming audio

    Hi everyone,

    My current project is to run constant FFT on an audio stream and output the data to a 3D LED Array. Google 3D LED cubes if you don't know what they are. My cube is more of a rectangular prism, 24x8x8=1536 LED's. I am new to the world of PI…