N. Iwanaga, W. Kobayashi, K. Furuya, T. Onoye, I. Shirakawa
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Embedded implementation of acoustic field enhancement for stereo sound sources
An embedded implementation of acoustic field enhancement is proposed, which is dedicated to stereo sound sources. With the use of the embedded DSP-base platform, this algorithm successfully constructs the signal processing filter structure to enhance a 3D acoustic field through either of stereo headphones and stereo speakers. The whole of proposed algorithm can be implemented by a 16 bit fixed-point DSP with the computational costs of 51.6 MIPS and 6.6 kB of memory, high-fidelity spatial acoustics can be achieved in various applications, such as portable stereo players, music streaming to mobile devices, etc.
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