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nexus/wiki/concepts/CTV-OTT-Advertising.md
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---
title: "CTV/OTT Advertising"
type: concept
tags: ["ctv", "ott", "streaming", "paid-media", "video"]
sources: ["paid-media-programmatic-buyer"]
last_updated: 2026-04-26
---
## Definition
CTV/OTT AdvertisingConnected TV / Over-the-Top Advertising是指在联网电视设备和流媒体服务上投放的视频广告形式。CTVConnected TV指通过互联网连接的消费设备如 Smart TV、Roku、Amazon Fire TV、Apple TVOTTOver-the-Top指通过互联网直接传输到设备的视频内容订阅服务如 Netflix、Hulu、Disney+ 等)。
## CTV vs OTT
| 类型 | 设备/平台 | 内容传输方式 |
|------|---------|------------|
| CTV | Smart TV、Roku、Fire TV、Apple TV | 设备通过互联网接收内容 |
| OTT | 独立应用Netflix、Hulu 等) | 直接通过互联网传输到任何设备 |
## Ad Formats
- **Pre-roll**:在流媒体内容播放前展示(最常见)
- **Mid-roll**:在内容中途插入,类似于传统电视广告时段
- **Post-roll**:在内容结束后展示
- **Pause Ads**:用户暂停播放时展示的全屏广告
- **Display Overlay**:视频播放时的底部横幅展示
## Buying Methods
- **Programmatic Direct**:通过程序化直接预订优质流媒体库存
- **Private MarketplacePMP**:与特定流媒体平台建立私有交易
- **Open Exchange**:公开程序化竞价购买 CTV 库存
## Key Metrics
- **Impression Share**:广告展示占可寻址库存的比例
- **Completion Rate**:视频广告完整播放率(目标 ≥80%
- **Viewability Rate**:联网电视 MRC 标准50% 像素可见 2 秒)
- **Audible Rate**:音频被激活的展示比例(视频广告)
- ** household Coverage**:触达的家庭单位数量
## Why CTV/OTT for Brand Extension
- **传统电视的数字化延伸**:以程序化方式触达线性电视受众
- **优质内容环境**:流媒体内容的品牌安全性和可见性通常高于数字展示
- **高级定向能力**:超越传统电视的人口统计定向,实现行为和意图定向
- **跨设备归因**结合数字展示和CTV数据构建更完整的受众画像
## Related Concepts
- [[Programmatic Buying]]
- [[Viewability]]
- [[Frequency Cap]]
## Sources
- [[paid-media-programmatic-buyer]]