发明名称 |
METHOD AND APPARATUS PROVIDING CONTINUOUS ADAPTIVE CONTROL OF VOICE PACKET BUFFER AT RECEIVER TERMINAL |
摘要 |
Disclosed is a device, a computer program and a method to receive and buffer data packets that contain information that is representative of time-ordered content, such as a voice signal, that is intended to be presented to a person in a substantially continuous and substantially uniform temporal sequence; to decode the information to obtain samples and to buffer the samples prior to generating a playout signal. The samples are time scaled as a function of packet network conditions to enable changing the play-out rate to provide a substantially continuous output signal when the data packets are received at a rate that differs from a rate at which the data packets are created. The time scaling operation operates with a base delay that is controlled in a positive sense when the data packets are received at a rate that is slower than a rate at which the data packets are created, and a reserve delay that is managed to provide insurance against an interruption should the base delay become negative. |
申请公布号 |
WO2005106854(A1) |
申请公布日期 |
2005.11.10 |
申请号 |
WO2005IB01090 |
申请日期 |
2005.04.22 |
申请人 |
NOKIA CORPORATION;NOKIA, INC.;MALLILA, JANI |
发明人 |
MALLILA, JANI |
分类号 |
G10L21/04;H04J3/06;H04L12/28;H04L12/56;H04L29/06;H04M1/253 |
主分类号 |
G10L21/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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