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These are electronic amplifiers that amplify low power audio signals, in the 20Hz to 20kHz band, to a level suitable for driving a loudspeaker or headset.
AUDIO HUBS (CODECS)
Integrate all the audio functionality such as signal routing, mixing, converting and amplifying onto a single audio centric device to give consistent high definition audio quality across different applications and tiers.
Digital to analogue converters (DACs) perform the opposite function of the ADC by converting the digital signal back to the analogue domain (audio signal) ready for playback via loudspeakers or headsets.
Micro-electro-mechanical systems (MEMS) microphones offer a unique combination of high performance and compact form factor to enable crystal clear audio capture. The close tolerance sensitivity makes them ideal for multi-microphone applications such as noise cancellation and speakerphone.
The selection of advanced audio algorithms allows customers to select differentiating features for their products from noise cancellation to sound enhancement.
PC and Laptops
Wolfson provides the world's leading audio solutions for PCs. The company's fully HD Audio-compliant Audio Hubs bring a new level of audio performance to the PC, enabling users to enjoy a full, rich and natural audio experience.
By enhancing audio performance in PCs and laptops, Wolfson enables OEMs to bring devices to market with 'audiophile' performance levels. Wolfson's technology is based on the same high fidelity audio IP used in the 'prosumer' markets – allowing the PC to work effectively at the heart of hi-fi and home entertainment systems, as well as dramatically enhancing performance for musicians, DJs and producers.
Wolfson Pi Audio Card
The Wolfson Pi Audio Card, produced in collaboration with element14, the first information portal, collaborative community and electronics store specifically built for electronic design engineers, offers Raspberry Pi users similar flexibility to a PC soundcard to capture audio alongside their camera, and experiment with stereo digital capture and playback.
- 3.5 mm jack (4-pole) for a headset/boom mic combination for gaming or VoIP applications
- 3.5 mm jack for microphone input
- On-board MEMS microphone
- 3.5 mm jack stereo line input for connection to devices such as digital audio players (iPod etc.) or mobile phones
- 3.5 mm jack stereo line output for connection to devices such as external stereo amplifiers or powered speakers
- Phono jack for electrical (not optical) S/PDIF digital input
- On-board class D power amplifier for external speakers, with connection to external power source if needed.
- Small pin header for extra functions if they are low cost, already on-chip, and don't require any further components
- Raspberry Pi form factor
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