发明名称 |
Voice/audio data communication with negotiated compression scheme and data header compressed in predetermined scheme |
摘要 |
Modem-equipped computers can initiate an audio channel using the modem data connection. The connection is initiated with a protocol that does not require any additional modem hardware or telephone line features, and is not tied to any proprietary hardware/software compression or transmission schemes. The protocol negotiates an audio data compression/decompression scheme and then establishes an audio channel using a socket. Headers are compressed and decompressed using a predetermined compression scheme. Compressed audio data is delivered to the remote computer where it is decompressed using the negotiated compression/decompression. The protocol significantly reduces the latency which disrupts normal speech patterns when voice data is sent over a data connection. This protocol also reduces the bandwidth required to send voice over a data connection.
|
申请公布号 |
US6292840(B1) |
申请公布日期 |
2001.09.18 |
申请号 |
US19980016482 |
申请日期 |
1998.01.29 |
申请人 |
MICROSOFT CORPORATION |
发明人 |
BLOMFIELD-BROWN CHRISTOPHER;DONNER ROBERT DAVID;TAYLOR JEFFREY EAMES |
分类号 |
H04M7/00;H04M11/06;(IPC1-7):G06F15/16 |
主分类号 |
H04M7/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|