sound card

(redirected from Audio processing unit)
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sound card

n. Computers
An expansion card that processes and converts audio signals. Also called audio card.
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The integrated Audio Processing Unit (APU) brings unprecedented 3D positional audio and DirectX(R) 8.
This high quality processing can be implemented for the first time in equipment ranging from professional audio processing units to software-driven PC sound cards which will be sold at prices from below $500 to less than $2,000, depending on packaging and which array of features are incorporated.
NVIDIA's award-winning nForce 620-D, 615-D, 420-D and 415-D Platform Processors are the latest addition to the company's nForce core-logic product family, offering a wide variety of innovative features, including integrated Graphics Processing Units (GPUs), Audio Processing Units (APU), and networking technologies.