RPX’s CEO released a statement on our response to the COVID-19 emergency. Click here to access.

RPX’s CEO released a statement on our response to the COVID-19 emergency. Click here to access.

Audio encoding to convey auxiliary information, and media embodying same

  • US 8,355,514 B2
  • Filed: 10/26/2007
  • Issued: 01/15/2013
  • Est. Priority Date: 11/18/1993
  • Status: Expired due to Term
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