发明名称 |
Encoder for encoding an audio signal, audio transmission system and method for determining correction values |
摘要 |
An encoder for encoding an audio signal comprises an analyzer configured for analyzing the audio signal and for determining analysis prediction coefficients from the audio signal. The encoder further comprises a converter configured for deriving converted prediction coefficients from the analysis prediction coefficients, a memory configured for storing a multitude of correction values and a calculator. The calculator comprises a processor configured for processing the converted prediction coefficients to obtain spectral weighting factors. The calculator further comprises a combiner configured for combining the spectral weighting factors and the multitude of correction values to obtain corrected weighting factors. A quantizer of the calculator is configured for quantizing the converted prediction coefficients using the corrected weighting factors to obtain a quantized representation of the converted prediction coefficients. The encoder comprises a bitstream former configured for forming an output signal based on the quantized representation of the converted prediction coefficients and based on the audio signal. |
申请公布号 |
AU2014350366(B2) |
申请公布日期 |
2017.02.23 |
申请号 |
AU20140350366 |
申请日期 |
2014.11.06 |
申请人 |
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. |
发明人 |
Schmidt, Konstantin;Fuchs, Guillaume;Neusinger, Matthias;Dietz, Martin |
分类号 |
G10L19/038 |
主分类号 |
G10L19/038 |
代理机构 |
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代理人 |
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地址 |
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