随着不断扩大的HD和MPEG-4 AVC推出新的数字化服务和加速部署的复杂性，传统的前端设备，显着增加了。今天的基带架构是没有能力处理这个过渡顺利，因为内容是来自多种来源和多种格式。此外，有线电视，卫星电视和电信运营商正在向Video-over-IP技术的快速发展，并寻找一个最佳的解决方案，可以使他们无缝迁移到基于IP的服务。谐波的FLEX™双解码模块是一个强大的解决方案解决这些问题。
选配的解码模块 － 可用于所有ION与Electra编码器
在全IP架构(GbE输入)与/或传统架构(DVB-ASI输入)中，实现传输的网格链接
消除ASI以及SDI 线缆连接与布线
配合Electra编码器，实现高品质的压缩编码
配合ION与ION AVC编码器，提供高性价比的编码
密度 － 每RU的平台，多达4通道的解码/编码
实现音量调节
奠定视音频编码内核的进化通道
Video Decoding Specifications
FLEX supports firmware licensable options for video decoding.
Video Decoding (4:2:0) MPEG-2 MP@ML, MPEG-4 AVC MP@L3,
MPEG-2 MP@HL, MPEG-4 AVC HP@L4
VBR, CBR
Video Formats 480i29.97,
576i25,
720P59.94,
720P50,
1080i29.97
1080i25
Aspect Ratios 4:3 and 16:9
The same input PID can be declared multiple times to allow FLEX to decode and reencode
the same video program multiple times.
Audio Decoding Specifications
FLEX supports firmware licensable options for audio decoding.
Audio formats MPEG-1 Layer II
Dolby Digital (AC-3) 2.0 or 5.1
Operating modes Mono, stereo, multichannel (5.1),
and multichannel down-mix to stereo
Decoding capacity
Dual decoder mode Up to 4 stereo or one AC-3 5.1
and 1 stereo
Single decoder mode Up to 8 stereo or 2 AC-3 5.1 and
2 stereo
Static level control - 20 dB to + 20 dB
The same input PID can be declared multiple times to allow FLEX to decode and
reencode the same audio program multiple times.
Audio Pass -Through Specifications
FLEX supports firmware licensable options for audio pass-through
Number of Channels Up to 8 PIDs per video service
Audio Formats MPEG Layer II, Dolby Digital (AC-3),
AAC, and HE AAC
Level magic™ – Audio Leveling Specifications
FLEX supports firmware licensable options for audio level adjustment.
Audio leveling capacity
Dual decoder mode Up to 3 stereo or one AC-3 5.1
Single decoder mode Up to 6 stereo or 2 AC-3 5.1
Operating modes Mono, stereo, multichannel (5.1)
Vertical Interval Services Pass -Through
Specifications
Pass-through EBIF, DPI (SCTE-35), Teletext,
Inverted WST, WSS, VPS, AFD, VITC
Closed captioning CEA-608 and CEA-708
Input module options
IP Interface (optional module) Gigabit Ethernet
IP Ports 2 independent ports
Connector 2 x SFP (copper)
Speed 1 x 1000 Mbps per port
IP Encapsulation MPEG-2 TS over UDP/IP 1 to 7 TS/ IP
MPEG-2 TS Format 188/204 Bytes per TS packet
MPTS and SPTS
Maximum Bit-Rate 80 Mbps per Socket
Addressing Unicast and multicast
Management IGMP, ARP, ICMP
ASI Interface (optional module) Connector 4 x BNC, 75Ω
MPEG Format 188/204 Bytes per TS packet
Processing 1 MPTS/SPTS per port
Up to 160 Mbps per port
8VSB Interface (optional module) 4x Type F connector per IEC 60169-24
ATSC-compliant 8-VSB signal reception
Tuning Channels 2 through 59.
Sensitivity 83 dBm/6 Mhz
Dynamic Range >80 dB