发明名称 |
Multimedia system and method |
摘要 |
A multimedia system comprises a database accessible by a processor and adapted to store at least one data stream having audio data. The system also comprises an encoder routine accessible by the processor and adapted to encode metadata at a plurality of predetermined intensity levels at a human-inaudible frequency and populate the audio data of the data stream with the encoded metadata.
|
申请公布号 |
US2004034655(A1) |
申请公布日期 |
2004.02.19 |
申请号 |
US20020196862 |
申请日期 |
2002.07.17 |
申请人 |
TECU KIRK STEVEN;HAAS WILLIAM ROBERT |
发明人 |
TECU KIRK STEVEN;HAAS WILLIAM ROBERT |
分类号 |
G10L19/02;H04H20/31;H04H60/73;H04N7/24;H04N7/52;(IPC1-7):G06F7/00 |
主分类号 |
G10L19/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|