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Audio Signal Processing Using Graphics Processing Units

Although the special purpose graphics processing unit (GPU) found in many personal computers was designed to accelerate complex visual displays, the GPU can also be used for audio signal processing. Several case studies illustrate the use of the GPU in audio applications. For example with additive synthesis, 2 million sine waves were computed in real time, which is about a thousandfold better than a CPU implementation. FFTs and filters also were faster when using a GPU.

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JAES Volume 59 Issue 1/2 pp. 3-19; January 2011
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