Logo & Subtitle Inserter digital teletext subtitle machine for online broadcast system, special logo subtitles, subscript, animation, clock insertion system, Logo & Subtitle Inserter supports IP and ASI input interface, a single machine can support 32 sign clear program subtitle text insertion, or 12 HD subtitle text insert. It can be used for digital TV transmission, IPTV, OTT, etc..

• 2 channels 4K, 1-12 channels HD,1-32 channels SD.
• ASI/IP interface bypass
• Text, LOGO/Pics, Flash, Video, Clock
• MPEG2/H.264/H.265/AVS+, multiple format supported

• Live program advertisment inserting
• nVOD program LOGO & subtitle inserting
• Internal notice presenting

Input & Output
• Interface：IP/ ASI
• Optional input interface: HDMI/ SDI/ AV
• Video format: MPEG2/ MPEG4/ H.264/ WMV9
• Audio format: MPGA/ AAC/ WMA/ MP3/ AMR/ AC3
• IP transmission protocol: TS over UDP/ RTP/ HTTP/ RTSP ; FLV over HTTP/ RTMP; HTTP Live Streaming; 3GP over RTP;MMS
• 8 frequencies MPTS input and MPTS output per unit
• MPTS input and SPTS output supported
• IP/ ASI parallel output supported
• ASI multiplexing output supported
Value-Added
• Various elements insert simultaneously, eg. subtitle, LOGO, video, clock, etc.
• 2 subtitles/ 3 pictures/ flash programing separately for single program
• Video block supported
• Various programing mode, multiple business broadcast management for single program
• Accurately customize broadcast effect, broadcast preview supported
• Various combination supported, eg. fixed length, clocked insert, postpone insert, manual insert, etc.
• Broadcast effect freely switch supported
• Count down supported, broadcast timeline accurate statistics
• Comprehensive system log and broadcast manage log
• Remote control supported
Video & Audio Processing
• 12 channels HD, or 32 channels SD maximum
• Discretional resolution setting: 80x64 to 1920x1080 supported (4K optional)
• Multi screen supported: Single input, and output by multiple resolution, bitrate, format,protocol, interface
• Target VBR/ Capped VBR/ NearCBR/ CBR supported
• Fps/ bitrate/ aspect ratio/ I-frame spacing/ B-frame amount setting supported
• Audio gain control and synchronization correct supported
• Encoding cache, transmission cache setting supported
• Bitrate dynamic adjustment supported
• Up and down switch supported
• FLV on air, iPhone/ iPad video live broadcasting supported
• Multiple languages unvanished transmission and multiple soundtrack processing supported
• Input source error correcting supported
• 0-3 hours latency broadcast discretional setting supported
• Various multiplexing parameter configure management supported, eg. PID, empty package rate, etc.
System Security
• IP/ ASI bypass supported
• 1+1、N+1、N+M device backup supported
System Management
• Web, SNMP or third party configuration management system supported