China Technical Specifications 中国广播文件技术参数标准

上传到IMD Cloud的所有文件都会自动进行广播文件质量检测。 为确保文件不被拒绝 ，请按以下标准输出文件。

* Please refer to the following sections for Chinese broadcaster technical requirements in detail.

*请参阅下面的中国广播文件的详细要求

File Layout 文件要求

Files must be exact duration; TVC content only. No pre-roll or post-roll such as clock/clapper, bars, black, hold, freeze or audio tone is required.

文件必须输出精确到帧。

不需要倒计时、标版，彩条，黑场，静帧或音频帧。

Video Levels 视频要求

Levels must be in accordance ITU BT.709, and EBU R103-2000 recommendations: 

Luma = Level 16-235 (not RGB 0-255 level), equivalent to 0% - 100% or 

0mV - 700mV. Chroma = Level 16-240, equivalent to maximum 100% RGB.

All content should be upper and first field dominant throughout and must be free of encoding artefacts, dropout, glitches, blocking, interlace issues or excessive aliasing and considered broadcast quality throughout.

视频级别必须符合ITU BT.709的高清标准，ITU BT.601的标清标准和EBU

R103-2000标准。 Luma等级符合16-235级(不是RGB0-255级)，相当于0%- 100%或

0mV - 700mV。色度等级符合16-240，相当于最大100%RGB。 所有内容应始终为上/第一场优先，并且必须没有马赛克，丢帧，毛刺，卡顿，场交错

问题或过度混叠，并始终考虑广播质量。

Audio Levels 音频要求

Unless stated otherwise, the Audio True Peak level must not exceed -1dBTP for both Loudness (-24LKFS) and Peak (-10dBFS) mixes. 

It should also be free of any distortion, glitches or excessive sibilance and must be in phase and in sync with the video throughout.

除非特殊需求，否则对于响度(-24LKFS)和标准化峰值(-10dBFS)混音，音频真

实峰值电平不得超过-1dBTP。 音频需没有任何失真，毛刺或过度的嘶嘶声，且必须与整个视频同步并与视频同步。 IMD Cloud为中国提供特殊的质量控制。 联系我们获取更多信息。

Safe Area 安全框建议

Please ensure all On-Screen Text is free from spelling and grammatical errors, and within the relevant Safe Area in accordance with EBU R95-2017 recommendations.

HD Safe Areas 1920x1080 Interlaced

Where specified please use SD Text Safe Area if sending to SD destinations.

HD16:9字幕安全框(每侧10%）