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Wolfson Audio Card from element14 - High Definition audio for the Raspberry Pi®
High quality audio playback, stereo recording and voice control inspiration for a soundwave of new Pi innovations

Raspberry Pi® owners can now use new high quality audio capabilities as the inspiration for their latest Pi innovations thanks to the new Wolfson Audio Card, available exclusively from Farnell element14. The card brings both line-in, line-out headphone and headset support, on-board stereo microphones, and digital audio S/PDIF functionality onto the Raspberry Pi® for the first time, opening up a wide range of exciting new possibilities such as using the device to create a voice controlled wireless home media network capable of running 24-bit “better than CD quality” music playback.

The Wolfson Audio Card has been developed by Wolfson Microelectronics, the audio expert that has more than two billion chips designed-in to many of the world’s leading consumer devices, from high-end audiophile equipment brands such as Linn and Astell&Kern, through to popular mass market devices like the Samsung GALAXY range of smartphones.

There are hundreds of applications based around four key features that can inspire developers to create and post their ideas on the recently launched Pi Projects resource page:

PLAY

Play back High Definition audio files
Stereo line-in and line-out ports to connect to your hi-fi system for sound playback and recording on the Raspberry Pi®
TALK

Build a VoIP conference phone for your Raspberry Pi® using the Wolfson Audio Card
Connect a boom microphone and headset to make hands-free calls using VoIP telephony
RECORD

Record High Definition audio using any of the microphones or line-in ports
Voice activation– onboard stereo digital microphones makes this the perfect solution to voice activate your project
SHARE

Connect the Raspberry Pi® to the cloud and play your music anywhere around the house
Develop and play online games with your friends that allow in-game audio via a gaming headset
The Wolfson Audio Card costs £24.01 and is available to buy exclusively from Farnell element14 in Europe, and CPC in the UK and Ireland.

To celebrate the launch, Wolfson and element14 have teamed up with HDtracks®, The Source for Studio Master Quality Music Downloads™, in conjunction with Chesky Records, to offer Wolfson Audio Card customers a free five-track 96kHz/24-bit quality music playlist*, to show off the high quality audio playback capabilities of the Wolfson Audio Card.

The Raspberry Pi® has been a phenomenal success, bringing affordable computing and software programming to a new generation of innovators. With the Audio Card, Wolfson is delighted to provide a new accessory that opens up a whole new world of applications to the Pi community,” commented Alistair Banham, Senior VP & GM of Custom Solutions at Wolfson Microelectronics. “Working with element14 has given Wolfson the opportunity to bring more high quality audio to the Raspberry Pi® and enable developers, students and hobbyists to experience great audio quality when developing applications.”

David Shen, CTO at element14 said: “The Wolfson Audio Card brings an incredibly exciting audio development capability to the millions of people who already use the Raspberry Pi®. With its comprehensive feature set, ease of use and extreme audio quality, designers will have a completely new audio toolset from which to work from.”

At the heart of the Wolfson Audio Card is the WM5102 chip, a highly-integrated Audio Hub which can be found in many smartphones, tablets and other portable audio devices today, and which enables high resolution audio playback such as that normally found on high-end audio equipment. The Audio Card also includes Wolfson’s WM8804 high performance consumer mode S/PDIF digital interface transceiver and dual WM7220 Wolfson digital MEMS microphones for high quality audio capture and record.

Raspberry Pi is a registered trademark of the Raspberry Pi Foundation


About Farnell element14
Farnell element14 is a high-service distributor of technology products and solutions for electronic system design, maintenance and repair. Bringing together the latest products, services, and development software, all connected to an innovative online engineering community where purchasers and engineers can access peers and experts, a wide range of independent technical information and helpful tools. Whether researching a new technology, designing an electronic product, or looking for parts to repair an existing system, Farnell is the trusted source to find the answers and parts you need to keep your project on the fast track, right from the start.

Farnell element14 is the operating business of Premier Farnell plc (LSE:pfl) in Europe.

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March 2014

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