| 摘要 |
The disclosure relates to message encoding. One claim recites an apparatus comprising: electronic memory for storing a digital watermark plural-bit message; an electronic processor programmed for: providing a plural-bit seed; randomizing the plural-bit seed; and encoding the randomized plural-bit seed with convolutional encoding, the encoded, randomized plural-bit seed comprising a key for transforming the digital watermark plural-bit message, the digital watermark plural-bit message to be hidden in host audio or video via a digital watermarking process. Of course, other claims and combinations are provided too. |
