VC-7525 マスタ H.264 Ultraタイトルの書式設定 Low Delay Board Encoder The VC-7525 is ultra low delay board encoder with NEC’s original high-quality video coding algorithms. It can be installed to Professional Camera, Digital Microwave Links (or FPU: Field Pick-up Unit) and so on. H.264 MPEG-4/AVC is adopted for video coding and supports High 422 profile@level 4.1. Shooting Field Head End VC-7525 Camera + Microwave attachment Ultra Low Delay Minimum Codec Delay 10ms Microwave receiver + VD-7710 H.264/MPEG-2 Decoder VC-7525 Application Example Features Ultra Low Delay • Adoption of original low delay technology • 10msec to 120msec of ultra low delay mode (not included the transmission delay) • 300msec to 700msec of normal delay mode (not included the transmission delay) Video Codec • Adoption of H.264 | MPEG-4/AVC • Adoption of High422profile＠Level4.1(8bit) • High Quality Video Coding by original algorithm at not only ultra low delay mode but also low bit rate Audio Codec • Adoption of MPEG-2 AAC-LC and MPEG-1Layer2 • Adoption of LPCM (Non-compression) NEC Corporation http://www.nec.com/global/prod/nw/broadcast/ VC-7525 H.264 Ultra Low Delay Board Encoder Specification VC-7525 Input Signal (1) Input Signal • 1080i serial digital component video Output Signal Standard: SMPTE-274M, I/F: SMPTE-292M, Frame freq.: 29.97/25Hz, Interlace ratio: 2:1 • 480i serial digital component video Standard: ITU-R BT.601, I/F: SMPTE-259M, Frame freq.:29.97Hz, Interlace ratio: 2:1 • 576i serial digital component video Standard: ITU-R BT.601, I/F: SMPTE-259M, Frame freq.:25Hz, Interlace ratio: 2:1 • Audio format Embedded Audio (Max. 4ch) (2) Output Signal • MPEG-2 TS (Transport Stream) ISO/IEC 1381801, I/F：DVB-ASI Format：(204,188) or (188), Mode：byte or packet mode (3) Encoder External TS Clock input • Maximum: 160MHz Video Encoder H.264 [email protected](8bit), [email protected] Max. rate 120Mbps Chroma 4:2:2/4:2:0 Entropy coding CABAC/CAVLC ALL-I, M=1,3 , Intra Refresh Mode Audio Encoder MPEG-2 AAC-LC profile, MPEG-1 Layer2, LPCM (SMPTE302M-2002) Codec Delay Ultra Low Delay mode: 1080i/29.97Hz : 10msec∼120msec 1080i/25Hz : 12msec∼120msec 480i/29.97Hz, 576i/25Hz : 28msec∼120msec Normal Delay mode: 300msec∼700msec Signal Interface SDI Input x1 SDI Output (Thru) x1 DVB-ASI Output x2 EXT-CLK Input x1 Control RS-232C (Command Base) Operation Temperature -10 ºC to 50ºC Power Supply 9.0 to 17.0 V DC Power Consumption 15VA or less Dimensions 195 (W ) × 105 (D) mm ！ Safety precautions To install, make connections and operate this product, please carefully read and observe instructions, precautions and recommendations in our instruction manuals. ● The colours in this brochure may differ from those of the actual unit. Designs and specifications of this product is subject to change without prior notice. NEC Corporation Americas and EMEA Sales Division Greater China and Asia Pacific Sales Division Broadcast and Video Systems 7-1, Shiba 5-chome, Minato-ku, Tokyo, 108-8001, Japan Tel: +81-3-3798-5463 Fax: +81-3-3798-8476 NEC Europe Ltd. Network Solutions Division NEC House, 1 Victoria Road, London W3 6BL, United Kingdom Tel: +44-(0)20-8993-8111 Fax: +44-(0)20-8752-3735 © 2012 NEC Corporation. NEC and the NEC logo are registered trademarks of NEC Corporation. NEC Asia Pacific Pte. Ltd. NEC Latin America S.A. No.1 Maritime Square #12-10 HarbourFront Center Singapore 099253 Tel: +65-6278-1818 Fax: +65-6271-2088 Av. Paulista, 2.300 01310-300 Sao Paulo, SP Tel: +55-(0)11-3151-7000 Fax: +55-(0)11-3151-7218 Cat. No. H01-11020010E2