https://wiki.multimedia.cx/api.php?action=feedcontributions&user=TbpS51&feedformat=atomMultimediaWiki - User contributions [en]2024-03-28T15:52:22ZUser contributionsMediaWiki 1.39.5https://wiki.multimedia.cx/index.php?title=Reconstructing_AAC_CPE&diff=7665Reconstructing AAC CPE2007-04-11T14:52:53Z<p>TbpS51: </p>
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<div>''Part of [[Understanding AAC]]''<br />
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This page describes the process of reconstructing [[PCM]] data based on the [[Decoding AAC CPE|decoded CPE parameters]] in an AAC bitstream. For the moment, this description focuses on what is necessary to reconstruct low complexity (LC) profile data.<br />
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== Reconstruction Process ==<br />
specrec.c:reconstruct_channel_pair()<br />
-specrec.c:allocate_channel_pair()<br />
-specrec.c:inverse_quantization()<br />
-specrec.c:apply_scalefactors()<br />
-specrec.c:quant_to_spec()<br />
-pns.c:pns_decode()<br />
-pns.c:generate_random_vector()<br />
-ms.c:ms_decode()<br />
-is.c:is_decode()<br />
-ic_predict.c:ic_prediction() (main profile)<br />
-ic_predict.c:pns_reset_pred_state() (main profile)<br />
-(processing that is specific LTP</div>TbpS51