Shenzhen Huashi Digital Technology Co., Ltd. provides a high-performance network decoder with robust decoding capabilities, supporting full-format video decoding of AVS+/H.265/HEVC (High Efficiency Video Coding), H.264/AVC (mainstream video standards), and MPEG2 (traditional broadcast formats), catering to mainstream encoding requirements from standard definition (SD) to 4K; it also兼容s multiple audio decoding types including DRA (domestic audio standard), AC3 (Dolby Digital), EAC3 (Enhanced AC3), AAC (high-fidelity audio), and MPEG (classic audio formats), meeting the perse needs of audiovisual content restoration.
Multi-Network Protocol Flexible Access
Supports over ten mainstream network transmission protocols, including HTTP/HTTPS (basic web transmission), HLS (Apple streaming media protocol), M3U8 (HLS playlist), RTSP (Real-Time Streaming Protocol), RTMP (live streaming push protocol), MMS (Microsoft Media Services), Blu-ray (Blu-ray stream), SRT (Secure Reliable Transport), UDP (User Datagram Protocol), and RTP (Real-Time Transport Protocol), adapting to complex signal access scenarios in IP-based network environments.
Full Compatibility with HD/SD Resolutions & Intelligent Resolution Adaptation
Covers all resolution formats including 1080P (60/50 fps), 1080I (60/50 interlaced), 720P (60/50), 576I/P (SD interlaced/progressive), and 480I/P (American standard SD), supporting both automatic resolution recognition and manual precision settings. It seamlessly兼容s HD and SD signal sources, ensuring stable output for perse format content.
Professional-Grade Interface Matrix & Flexible Output Configuration
Equipped with a variety of interface types to meet the perse connection needs of professional scenarios such as studios, OB vans, and broadcast control centers:
- HDMI: 1× standard HDMI interface (compliant with HDMI 1.4 and above), supporting output of mainstream HD formats (e.g., 1080P60/50, 1080I60/50, 720P60/50) and SD resolutions, with 1 embedded stereo audio channel.
- HD/SD-SDI: 2× BNC 75Ω interfaces—HD-SDI complies with SMPTE 292M standard (1.485Gbps, 20-bit precision), and SD-SDI complies with SMPTE 259M standard (270Mbps, 10-bit precision).
- Analog Video: 1× CVBS BNC 75Ω interface, supporting global mainstream TV standards (PAL/NTSC/SECAM) with an output level of 1.0Vp-p±5% and a signal-to-noise ratio (SNR) ≥56dB.
- Digital Audio: 1× AES/EBU interface.
- Analog Audio: 2× BNC + 2× XLR interfaces, supporting flexible switching between left/right, dual mono, and stereo modes.
Secure Descrambling & Professional Subtitle Support
- Built-in Biss_1/Biss_E professional encryption signal descrambling module to ensure legal decoding of high-security content.
- Supports closed caption subtitle formats including DVB/EBU, EIA 608 (American SD), EIA 708 (American HD), and EIA 608-to-708 (compatibility conversion), aligning with international mainstream broadcast specifications.
User-Friendly Interaction & Intelligent Management
- Features a high-definition LCD display and intuitive menu system, enabling direct operation of core functions (e.g., input selection, resolution settings, audio mode switching) via front-panel buttons and the screen, reducing the learning curve.
- Supports a B/S (Browser/Server) architecture-based Web management system, allowing remote configuration, status monitoring, and firmware upgrades through a 10/100Base-T network management interface (RJ-45), balancing local convenience with remote efficiency.
Detailed Technical Specifications
TS over IP Input
- Interface: 1× RJ-45 (100/1000Base-T Ethernet)
- Frame Length: 1–7×188 bytes (adjustable, to accommodate different TS stream encapsulation formats)
- Transmission Protocols: SRT/UDP/RTP/HTTP/HTTPS/HLS/M3U8/RTSP/RTMP/MMS/Bluray (covering mainstream IP transmission scenarios)
HDMI Output
- Interface: 1× standard HDMI (compliant with HDMI 1.4 and above)
- Resolution/Frame Rate: 1080P60/1080P50, 1080I60/1080I50, 720P60/720P50, 576P/576I, 480P/480I
- Embedded Audio: 1 stereo audio channel (synchronized with video output)
Video/Audio Decoding Standards
- Video Decoding: MPEG-2, MPEG-4, H.264 AVC, H.265 (HEVC), AVS+ (covering traditional to next-generation encoding standards)
- Audio Decoding: MPEG-1 Layer I/II, MPEG-2 Layer II, MPEG-2 AAC, MPEG-4 AAC LC (2-channel/5.1-channel), AC3, DRA, EAC3 (professional-grade audio restoration)
HD/SD-SDI Output
- Interface: 2× BNC (75Ω impedance)
- SD-SDI: SMPTE 259M standard, 270Mbps (10-bit precision)
- HD-SDI: SMPTE 292M standard, 1.485Gbps (20-bit precision)
- Output Level: 800mV±20mV (p-p), meeting broadcast-grade signal quality requirements
Analog/Digital Audio Output
- Analog Audio: 2× BNC + 2× XLR interfaces, supporting switching between left/right, dual mono, and stereo modes
- Digital Audio: 1× AES/EBU (professional digital audio interface)
Composite Video Output
- Interface: 1× BNC (75Ω, CVBS composite video)
- Standards: PAL B/D/G/H/I, PAL N, NTSC M, PAL N-C, NTSC M443, PAL M, SECAM, NTSC MJ (covering global mainstream TV standards)
- Signal-to-Noise Ratio (SNR): ≥56dB (high-definition image quality)
- Sync Amplitude: 300±20mV (p-p)
- Frequency Response: ±0.8dB (4.8MHz), ±1dB (4.8–5MHz), +0.5/−4dB (5.5MHz)
- Output Amplitude: 700±30mV (p-p), Differential Gain: ≤8% (ensuring signal stability)
Subtitle Support
- Subtitle (Subtitle): DVB/EBU (international digital broadcast subtitle standard)
- Closed Caption: EIA 608 (American SD), EIA 708 (American HD), EIA 608-to-708 (compatibility conversion)
Local & Remote Management
- Network Management Interface: 1× RJ-45 (10/100Base-T, for local and remote management)
- Remote Control: HTTP Web management (supports remote configuration, status monitoring, and firmware upgrades)
- Local Control: Front-panel physical buttons + LCD menu (intuitive operation of all functions)
- Device Upgrade: Supports remote firmware upgrades via IP
Physical Specifications & Environmental Adaptability
- Dimensions: 450mm (W) × 280mm (D) × 44mm (H) (compact design, saving rack space)
- Weight: Net weight 5kg (lightweight structure, easy installation and deployment)
- Power Supply: AC 90V~250V (wide voltage input), 50/60Hz (global grid compatibility)
- Power Consumption: ≤24W (low-energy design, environmentally friendly)
- Operating Temperature: 0°C~45°C (suitable for conventional equipment rooms)
- Storage Temperature: -10°C~60°C (supports wide-temperature storage)
- Humidity: 10%~90% (non-condensing, ensuring stability)
深圳市华视数码科技有限公司提供超强网络解码器能力支持AVS+/H.265/HEVC（高效视频编码）、H.264/AVC（主流视频标准）、MPEG2（传统广播格式）全格式视频解码，适配从标清到4K级主流编码需求；同时兼容DRA（国产音频标准）、AC3（杜比数字）、EAC3（增强型杜比数字）、AAC（高保真音频）、MPEG（经典音频格式）等多类型音频解码，满足多样化音视频内容还原需求。
多网络协议灵活接入
支持HTTP/HTTPS（基础网页传输）、HLS（苹果流媒体协议）、M3U8（HLS播放列表）、RTSP（实时流协议）、RTMP（直播推流协议）、MMS（微软媒体服务）、Bluray（蓝光流）、SRT（安全可靠传输）、UDP（用户数据报）、RTP（实时传输协议）等十余种主流网络传输协议，适配IP化网络环境下的复杂信号接入场景。
高标清全兼容，分辨率智能适配
涵盖1080P（60/50帧）、1080I（60/50隔行）、720P（60/50）、576I/P（标清隔行/逐行）、480I/P（美标标清）等全分辨率格式，支持分辨率自动识别与手动精准设置双模式，无缝兼容高清与标清信号源，确保不同制式内容的稳定输出。
专业级接口矩阵，灵活输出配置
配备HDMI（1路，支持1080P60/50、1080I60/50、720P60/50等主流高清格式及标清分辨率输出，含1路嵌入式立体声音频）、HD/SD-SDI（2路BNC 75Ω接口，其中HD-SDI符合SMPTE 292M标准，速率1.485Gbps/20bit；SD-SDI符合SMPTE 259M标准，速率270Mbps/10bit）、模拟视频（1路CVBS BNC 75Ω，支持PAL/NTSC/SECAM等全球主流制式，输出电平1.0Vp-p±5%，信杂比≥56dB）、数字音频（1路AES/EBU）、模拟音频（2路BNC+2路XLR，支持左/右/双单声道/立体声灵活切换）等多类型接口，满足演播室、转播车、播出控制中心等专业场景的多样化连接需求。
安全解扰与专业字幕支持
内置Biss_1/Biss_E专业加密信号解扰模块，保障高安全级别内容的合法解码；同时支持DVB/EBU字幕及EIA 608（美标）、EIA 708（美标高清）、EIA 608-to-708（兼容转换）闭路字幕格式，适配国际主流播出规范。
人性化交互与智能管理
配备高清液晶显示屏及直观菜单系统，所有核心功能（如输入选择、分辨率设置、音频模式切换等）均可通过前面板按键及屏幕直接操作，降低使用门槛；支持基于B/S架构的Web网管系统，通过10/100Base-T网管接口（RJ-45）实现远程配置、状态监控及固件升级，兼顾本地便捷操作与远程高效管理。
详细技术参数
TS over IP输入
· 接口：1×RJ-45（100/1000Base-T以太网）
· 帧长度：1~7×188字节可调（灵活适配不同TS流封装格式）
· 传输协议：SRT/UDP/RTP/HTTP/HTTPS/HLS/M3U8/RTSP/RTMP/MMS/Bluray（覆盖主流IP传输场景）
HDMI输出
· 接口：1×标准HDMI（符合HDMI 1.4及以上规范）
· 分辨率/帧率：1080P60/1080P50、1080I60/1080I50、720P60/720P50、576P/576I、480P/480I
· 嵌入音频：1路立体声（随视频信号同步输出）
数据视频/音频解码标准
· 视频解码：MPEG-2/MPEG-4/H.264 AVC/H.265(HEVC)/AVS+（覆盖从传统到新一代编码标准）
· 音频解码：MPEG-1 Layer I/II、MPEG-2 Layer II、MPEG-2 AAC、MPEG-4 AAC LC（2声道/5.1声道）、AC3/DRA/EAC3（专业级音频还原）
HD/SD-SDI输出
· 接口：2×BNC（75Ω阻抗）
· SD-SDI：SMPTE 259M标准，速率270Mbps（10bit精度）
· HD-SDI：SMPTE 292M标准，速率1.485Gbps（20bit精度）
· 输出电平：800mV±20mV（p-p），符合广播级信号质量要求
模拟/数字音频输出
· 模拟音频：2×BNC + 2×XLR接口，支持左/右/双单声道/立体声模式切换
· 数字音频：1×AES/EBU（专业数字音频接口）
复合视频输出
· 接口：1×BNC（75Ω，CVBS复合视频）
· 制式：PAL B/D/G/H/I、PAL N、NTSC M、PAL N-C、NTSC M443、PAL M、SECAM、NTSC MJ（全球主流电视制式全覆盖）
· 信杂比：≥56dB（高清晰度图像质量）
· 同步幅度：300±20mV（p-p），幅频特性：±0.8dB（4.8MHz）、±1dB（4.8-5MHz）、+0.5/-4dB（5.5MHz）
· 输出幅度：700±30mV（p-p），微分增益：≤8%（确保信号稳定性）
字幕支持
· Subtitle字幕：DVB/EBU（国际数字广播字幕标准）
· Closed Caption字幕：EIA 608（美标标清）、EIA 708（美标高清）、EIA 608-to-708（兼容转换）
本地与远程管理
· 网管接口：1×RJ-45（10/100Base-T，用于本地及远程管理）
· 远程控制：HTTP Web网管（支持远程配置、状态监测、固件升级）
· 本地控制：前面板实体按键 + LCD液晶菜单（所有功能直观操作）
· 设备升级：支持通过网络IP远程升级固件
物理规格与环境适应性
· 尺寸：450mm（宽）×280mm（深）×44mm（高）（紧凑设计，节省机架空间）
· 重量：净重5kg（轻量化结构，便于安装部署）
· 电源：AC 90V~250V（宽电压输入），50/60Hz（全球电网兼容）
· 功耗：≤24W（低能耗设计，绿色环保）
· 工作温度：0℃~45℃（适应常规机房环境）
· 存储温度：-10℃~60℃（支持宽温存储）
· 湿度：10%~90%（非凝结环境，保障稳定性）
