• Cirrus Logic Audio Card for Raspberry Pi- record sample rates won't change?

    I've used the https://github.com/CirrusLogic/rpi-linux/wiki/Building-the-code guide and successfully got my Cirrus Logic Audio Card / Raspberry Pi 2 almost working, but there is a problem with sample rates.


    I've run the CL scripts Playback_to_Lineout…

  • 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…
  • Cirrus Logic Audio Card / Raspberry Pi 2 / Jack / Mono Ports

    Hi all


    I got my PI working with a kernel build as described in https://github.com/CirrusLogic/rpi-linux/wiki/Building-the-code and the mmap-Patch applied.


    /usribn/jackd -alsa -Dhw:sndrpiwsp -r44100


    I see these…

  • Audio recording using element14 Cirus Logic (Raspberry pi) and pyaudio

    Hi all,

    First of all I should say that I'm quite new to Rasberry Pi and Python. I'm trying to write a Python script which will record audio using the element14 cirus logic board and pyaudio and then apply some signal processing algorithms. What I can't…

  • 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…

  • cirrus logic audio card/ raspberry pi 2

    I am trying to run the cirrus logic audio card with the raspberry Pi 2 and it seems that there is still problem with kernel, any suggestion?

  • Cirrus Logic Audio Card Enclosure for Pi Model B+ / Pi 2 Model B

    Hello, I was recently making a research about an enclosure option for the Raspberry Pi Model B+ with the Cirrus Logic audio card but I couldn't really find anything. I was wondering if any of you could have seen something that might work? I own the Pi…

  • Real time playback of digital audio signal from Cirrus Audio Card SPDIF input through Raspberry Pi USB DAC

    Dear Sirs,

    Is real time play back of digital audio signal recieved through the SPDIF input of the Cirrus Audio Card through an USB DAC connected to the Raspberry Pi possible?

    If yes, than what kind of OS version, drivers, software, patches or settings are…

  • Raspberry Pi 2 and Cirrus Logic Audio Card - Does it work? Mine doesn't...

    Today I received my new Rpi 2 and sound card.


    First I tried to install OpenElec from my windows PC on a SD-card, which worked fine (no use of sound card of course).


    Then I updated it with a .tar from Index of /~hias/tmp/openelec-wolfson


    It just showed a…

  • Boosting Line Input of the Wolfson Audio Card as the Cirrus Logic

    Hi, I already see the comparison chart between the Wolfson Audio Card and the new Cirrus Logic.

    I liked the new one allows to connect more GPIOs because the new RPi B+ have more pins available.

    Since i still have the earlier Model B and the original Wolfson…

  • Cirrus Logic card as SPDIF DAC

    Hello, Can the Cirrus Logic audio card take an SPDIF input from an external source and play it on the analogue outputs?  If so, is there likely to be much latency?  Does the audio data have to pass through the Raspberry Pi or can this be handled by the…

  • Wolfson/CIRRUS LOGIC AUDIO CARD  for RASPBERRY PI B+/A+ : power usage.

    Hi to all,


    I have ordered 2 of these cards and plan to experiment with them to create wireless battery operated sound systems.

    Although it should work, eventually, I do miss info on the power needs of this card at this moment.

    And I assume when we have got…

  • 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…