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Related US Application Data(74) Attorney, Agent, or Firm Foley & Lardner LLP (63) Continuation-in-part of application No. 1 1/124,465, filed on May 5, 2005, which is a continuation of appli-(57) ABSTRACT cation No. 09/721,015, filed on Nov. 22, 2000, now Pat. No. 6,912,315, which is a continuation of appli-Methods are provided for embedding auxiliary information in cation No. PCT/US99/11526, filed on May 25, 1999. a host content signal which reduce the memory, bandwidth (60) Provisional application No. 60/087,017, filed on May and computational complexity of the embedding and trans 28, 1998. mission systems. In one embodiment, a first reduced-scale s signal is produced which corresponds to the host content embedded with a first logical value and producing a second (51) Int. Cl. 9. p 9.