DCH-5300EC H.265/H.264 HD Live Encoder
视频处理能力
| 项目 | 参数详情 |
|---|
| 输入接口 | HDMI × 1、SDI × 1 |
| 编码标准 | H.265 Main Profile Level 5.0;H.264 Baseline/Main/High Profile Level 5.1 |
| 取样格式 | YCbCr 4:2:0 |
| 分辨率/帧率 | 2160P@30Hz(仅HDMI)、1080P@50/60/30Hz、1080I@25/29.97Hz、720P@50/59.94/25/29.97Hz |
| 特效叠加 | Logo、水印、字幕、滚动字幕、马赛克、时间戳 |
| 宽高比 | 16:9 |
| 码率控制 | CBR、VBR、AVBR(推荐)、FIXQP |
| 智能编码 | SmartP(智能预测)、DualP(双编码)、ROI(感兴趣区域编码) |
| 视频处理 | 支持90°/180°/270°旋转;上下左右裁剪 |
音频处理能力
| 项目 | 参数详情 |
|---|
| 输入接口 | HDMI embedded × 1、SDI embedded × 1、Line × 1 |
| 编码标准 | MPEG-1 Layer II、MPEG-4 AAC-LC |
| 采样率 | 48kHz |
| 码率范围 | MPEG-1 Layer II: 32~256 Kbps;AAC-LC: 32~256 Kbps(均支持立体声) |
网络与流传输
| 项目 | 参数详情 |
|---|
| TS/IP接口 | 1× RJ45 (GbE, 1000 Base-T) |
| 最大有效码率 | 20 Mbps |
| 网络协议 | HTTP、HLS、RTSP、RTMP推流/拉流、UDP组播/单播、SRT |
| 控制协议 | ICMP、ARP、IGMP v2 |
输入/输出接口
| 类型 | 接口详情 |
|---|
| 视频输入 | HDMI × 1、SDI × 1 |
| 视频输出 | HDMI × 1、SDI × 1 |
| 音频输入 | HDMI embedded × 1、SDI embedded × 1、Line × 1 |
| 音频输出 | Line × 1 |
| 控制网口 | RJ45 × 1 (100 Base-T,全双工) |
| 数据网口 | RJ45 × 1 (1000 Base-T,全双工,建议优先用于网管访问) |
| USB接口 | USB 2.0 × 1 |
系统与通用规格
| 项目 | 参数详情 |
|---|
| 网管系统 | Web多语言管理界面(中/英) |
| 系统升级 | 网络远程升级、本地USB升级 |
| 复位按钮 | DEF复位按钮 |
| 电源 | AC 90~250V, 50/60Hz |
| 尺寸 | 483 × 261 × 44 mm |
| 重量 | 3.5 kg |
关键特性说明
- 视频编码优势:
- H.265:相比H.264节省约50%带宽,支持更高效压缩(参考H.265的编码树单元和预测技术)。
- H.264:广泛兼容老设备,适用性更强。
- 接口差异:
- HDMI:适用于短距离传输(≤15米),消费级设备通用。
- SDI:专业级锁定接口(BNC同轴),抗干扰强,支持百米级远距传输。
- 智能编码技术:
- ROI(感兴趣区域):对关键区域分配更高码率,提升画面质量。
- AVBR(自适应码率):动态调整码率平衡质量与带宽,推荐用于网络波动场景。
Technical Notes
- Codec Efficiency:
- H.265 reduces bandwidth by ≈50% vs. H.264, ideal for 4K streaming
- AAC-LC audio at 32–256 Kbps ensures high-fidelity stereo output.
- Interface Specifications:
- HDMI: Consumer-grade, short-distance transmission (≤15m).
- SDI: Professional-grade locking interface (BNC), supports long-distance transmission (>100m).
- Deployment Flexibility:
- Dual power supply and rack-mount design suit 24/7 operation in critical environments (e.g., security control rooms).
- SRT protocol enhances transmission stability in high-latency networks
Video Input & Compression Encoding
| Item | Specifications |
|---|
| Input Interfaces | HDMI × 1, SDI × 1 |
| Encoding Standards | H.265 Main Profile Level 5.0; H.264 Baseline/Main/High Profile Level 5.1 |
| Sampling Format | YCbCr 4:2:0 |
| Resolutions/Frame Rates | 2160P@30Hz (HDMI only); 1080P@50/60/30Hz; 1080I@25/29.97Hz; 720P@50/59.94/25/29.97Hz |
| Effect Overlays | Logo, watermark, subtitles, scrolling text, mosaic, timestamp |
| Aspect Ratio | 16:9 |
| Bitrate Control | CBR, VBR, AVBR (recommended), FIXQP |
| Intelligent Encoding | SmartP (intelligent prediction), DualP (dual encoding), ROI (Region of Interest encoding) |
| Video Processing | Supports 90°/180°/270° rotation; top/bottom/left/right cropping |
Audio Input & Compression Encoding
| Item | Specifications |
|---|
| Input Interfaces | HDMI embedded × 1, SDI embedded × 1, Line × 1 |
| Encoding Standards | MPEG-1 Layer II, MPEG-4 AAC-LC |
| Sampling Rate | 48kHz |
| Bitrate Range | MPEG-1 Layer II: 32~256 Kbps; AAC-LC: 32~256 Kbps (both support stereo) |
Key Technical Notes
- Interface Differences:
- HDMI: Consumer-grade interface for short-distance transmission (≤15m).
- SDI: Professional-grade locking interface (BNC coaxial) with strong anti-interference, supporting transmission over hundreds of meters
.
- Intelligent Encoding:
- ROI: Allocates higher bitrates to key areas to enhance visual quality.
- AVBR: Dynamically adjusts bitrates to balance quality and bandwidth, ideal for unstable networks
.
- Resolution Limits: 2160P resolution requires HDMI input; data port is prioritized for management access to ensure bandwidth stability.


