发明名称 Video conference system, a partner station and conference unit therefor
摘要 The double coding/decoding of the image signals in a video conference system (VS) having more than two partner stations (TS1, TS2, TS3) and a central conference unit (KE), in which one partner is displayed as a large image, and the other partners are displayed as small images, on the screens of the partner stations (TS1, TS2, TS3), result in reduced image quality and a great time delay from the transmission of the images in a partner station (TS1, TS2, TS3) until they are received in another partner station. According to the invention, the coded large images transmitted from the partner stations (TS1, TS2, TS3) to the conference unit (KE) are not decoded until they are transmitted to the partner station (TS1, TS2, TS3) requesting the respective large image. <IMAGE>
申请公布号 DE4334975(A1) 申请公布日期 1995.04.20
申请号 DE19934334975 申请日期 1993.10.14
申请人 ALCATEL SEL AKTIENGESELLSCHAFT, 70435 STUTTGART, DE 发明人 MUELLER, DETLEF, DIPL.-ING., 71272 RENNINGEN, DE;VOGT, CARSTEN, DR.-ING., 71686 REMSECK, DE
分类号 H04N7/14;H04N7/15;(IPC1-7):H04N7/15 主分类号 H04N7/14
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