| 摘要 |
A signal processor comprises a decoder 1 which decodes a bit stream S10 to provide an image signal S1 and a coding parameter S8, a switch SW1 to select a destination to which the image signal S1 from the decoder 1 is to be sent, a post-processing circuit 2 which post-processes the image signal from a selectable terminal B of the switch SW1 to provide an image signal S2, a pre-processing circuit 3 to preprocess an image signal S4, a switch SW2 to select either the image signal from the pre-processing circuit 3 or an image signal S3 from the switch SW1, and an encoder 4 which codes an image signal S5 and coding parameter to provide a bit stream.
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