音频和视频同步指南第1-1部分:音频和视频设备及系统同步的测量方法总则

[中文适用范围]： The IEC 62312 series gives guidelines for methods of synchronizing audio and video. This part of IEC 62312­1 describes general measurement methods for the synchronization of audio and video equipment. [外文原描述]： IEC TS 62312-1-1:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC TS 62312-1-1:2018 gives guidelines for methods of synchronization of audio and video and describes general measurement methods for the synchronization of audio and video equipment. IEC TS 62312-1-1:2018 cancels and replaces the first edition published in 2008. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) new Annex B informs of general measurement and test method of audio latency; b) comments from SMPTE (including small technical issues).