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A full-compliance MP3 decoder
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大小:755 |
2010-07-09
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Abstract
This paper describes the techniques used in the non-linear
dequantization process of MP3 (MPEG audio, Layer III)
decoding, with Motorola Star*Core DSP (MSC8101). The
method introduced here is more than five times faster than
calling traditional mathematics library, yet achieves a high level
of accuracy that conforms to the ISO/IEC 13818-4 standard
[2]. Memory consumption of this method is considerably low
and is very suitable for DSP implementation of the MP3
decoder in real-time.
This paper describes the techniques used in the non-linear
dequantization process of MP3 (MPEG audio, Layer III)
decoding, with Motorola Star*Core DSP (MSC8101). The
method introduced here is more than five times faster than
calling traditional mathematics library, yet achieves a high level
of accuracy that conforms to the ISO/IEC 13818-4 standard
[2]. Memory consumption of this method is considerably low
and is very suitable for DSP implementation of the MP3
decoder in real-time.
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