Invention Grant
US07684980B2 Information flow transmission method whereby said flow is inserted into a speech data flow, and parametric codec used to implement same
有权
信息流传输方法，其中所述流被插入到语音数据流中，并且参数编解码器用于实现它们
- Patent Title: Information flow transmission method whereby said flow is inserted into a speech data flow, and parametric codec used to implement same
- Patent Title (中): 信息流传输方法，其中所述流被插入到语音数据流中，并且参数编解码器用于实现它们
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Application No.: US10569914Application Date: 2004-09-06
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Publication No.: US07684980B2Publication Date: 2010-03-23
- Inventor: Frédéric Rousseau
- Applicant: Frédéric Rousseau
- Applicant Address: FR Montigny le Bretonneux
- Assignee: Eads Secure Networks
- Current Assignee: Eads Secure Networks
- Current Assignee Address: FR Montigny le Bretonneux
- Agency: Miller, Matthias & Hull
- Priority: FR0310546 20030905
- International Application: PCT/FR2004/002259 WO 20040906
- International Announcement: WO2005/024786 WO 20050317
- Main IPC: G10L19/02
- IPC: G10L19/02
Abstract:
For the transmission of a secondary information flow between a transmitter and a receiver, the secondary information flow is inserted at a parametric vocoder of the transmitter which generates a main information flow. The main information flow is a speech data flow encoding a speech signal and is transmitted from the transmitter to the receiver. Bits from the secondary information flow are inserted into only some of the frames of the main information flow, these frames being selected by a frame mask which is known to the transmitter and the receiver, and/or into a determined frame of the main information flow, by imposing a constraint on only some of the bits of the frame, these bits being selected by a bit mask known to the emitter and the receiver.
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