In the era of network live broadcasting for everyone,the development of live broadcasting platforms is also more intelligent and diversified.However,in the face of a large group of elderly users,the interface interact...In the era of network live broadcasting for everyone,the development of live broadcasting platforms is also more intelligent and diversified.However,in the face of a large group of elderly users,the interface interaction design mode used is still mainly based on the interaction mode for young groups,and is not designed for elderly users.Therefore,a design method for optimizing the interaction interface of live broadcasting platform for elderly users was proposed in this study.Firstly,the case study method and Delphi expert survey method were used to determine the design needs of elderly users and the design mode was analysed.Secondly,the orthogonal design principle was used to design a test sample of the interactive interface of live broadcasting platform applicable for the elderly users,and then a user evaluation system was established to calculate the weights of the design elements using hierarchical analysis,and then the predictive relationship between the design mode of the interactive interface of live broadcasting platform and the elderly users was established by Quantitative Theory I.Finally,Genetic Algorithm was applied to generate the optimized design scheme.The results showed that the design method based on the Genetic Algorithm and the combination of Quantitative Theory can scientifically and effectively optimize the design of the interactive interface of the live broadcasting platform for the elderly users,and improve the experience of the elderly users.展开更多
安全播出是广播电视的生命线。作为有线电视运营和管理部门,数字电视前端系统的安全性和稳定性对确保数字视频广播(Digital Video Broadcasting,DVB)安全播出至关重要。基于市级下传的4路不同路由的源信号,并依托两处机房条件,构建了主...安全播出是广播电视的生命线。作为有线电视运营和管理部门,数字电视前端系统的安全性和稳定性对确保数字视频广播(Digital Video Broadcasting,DVB)安全播出至关重要。基于市级下传的4路不同路由的源信号,并依托两处机房条件,构建了主备DVB前端系统。鉴于原系统存在的安全隐患,提出嘉善华数DVB前端平台的改造方案。经过6个月的建设和运行近,该系统展现出高度的安全性和可靠性、运行平稳,成功实现了设计目标。展开更多
文摘In the era of network live broadcasting for everyone,the development of live broadcasting platforms is also more intelligent and diversified.However,in the face of a large group of elderly users,the interface interaction design mode used is still mainly based on the interaction mode for young groups,and is not designed for elderly users.Therefore,a design method for optimizing the interaction interface of live broadcasting platform for elderly users was proposed in this study.Firstly,the case study method and Delphi expert survey method were used to determine the design needs of elderly users and the design mode was analysed.Secondly,the orthogonal design principle was used to design a test sample of the interactive interface of live broadcasting platform applicable for the elderly users,and then a user evaluation system was established to calculate the weights of the design elements using hierarchical analysis,and then the predictive relationship between the design mode of the interactive interface of live broadcasting platform and the elderly users was established by Quantitative Theory I.Finally,Genetic Algorithm was applied to generate the optimized design scheme.The results showed that the design method based on the Genetic Algorithm and the combination of Quantitative Theory can scientifically and effectively optimize the design of the interactive interface of the live broadcasting platform for the elderly users,and improve the experience of the elderly users.
文摘安全播出是广播电视的生命线。作为有线电视运营和管理部门,数字电视前端系统的安全性和稳定性对确保数字视频广播(Digital Video Broadcasting,DVB)安全播出至关重要。基于市级下传的4路不同路由的源信号,并依托两处机房条件,构建了主备DVB前端系统。鉴于原系统存在的安全隐患,提出嘉善华数DVB前端平台的改造方案。经过6个月的建设和运行近,该系统展现出高度的安全性和可靠性、运行平稳,成功实现了设计目标。