Upgrade Video Quality When Viewing YouTube升级视频质量在观看YouTube网站

Video fans could upload a wide range of high resolution and high quality video file formats such as WMV, AVI, MOV and MPG to YouTube.视频球迷可以上传各种各样的高分辨率和高品质的视频文件格式，例如像WMV ，视频传送和省油到YouTube 。 However, YouTube would resize these high resolution video files to 320 x 240 pixels, encode them to Flash 7 at a data rate of approximately 250kbps and compress the audio to mp3 (22.050KHz monophonic).但是，调整的YouTube将这些高清晰度视频文件320 × 240像素，编码这些闪光7日的数据速率约为250kbps和音频压缩成MP3 （ 22.050KHz单声道） 。 Thus, users would sometimes find the video quality in YouTube quite poor and unsatisfying.因此，用户有时会发现视频质量在YouTube穷人和相当令人满意。 Due to the improved internet connection speed in many countries, YouTube has started to change its strategy by providing better quality and higher resolution videos to users.由于改进的互联网连接速度在许多国家， YouTube已经开始改变其战略提供更好的质量和更高分辨率的视频给用户。

If your internet connection speed is reasonably fast and you want to watch clearer and sharper images on your video clips, you can append &fmt=6 to the URL of the YouTube video that you want to watch.如果您的互联网连接速度是相当快，你想要观看明确和清晰的图像上的视频剪辑，你可以在与裂变材料条约= 6的网址YouTube视频，你想要观看。 For instance, look at the example below.举例来说，看看下面的例子。 The URL for the original video clip below is via http://youtube.com/watch?v=CQzUsTFqtW0.该网址的原始视频剪辑下面是通过http://youtube.com/watch?v=CQzUsTFqtW0 。

Once you append &fmt=6 to the URL (it becomes http://youtube.com/watch?v=CQzUsTFqtW0&fmt=6 ) and you will observe the quality of the video become better and clearer (448 x336 pixels).一旦你与裂变材料条约的附加= 6的网址（成为http://youtube.com/watch?v=CQzUsTFqtW0&fmt=6 ） ，您将遵守质量的视频成为更好的和更清晰（ 448 x336像素） 。 The video quality can be further enhanced when you append &fmt=18 (it becomes http://www.youtube.com/watch?v=QAE2-FQHkok&fmt=18 ).视频质量可以得到进一步加强当你与裂变材料条约的附加= 18 （成为http://www.youtube.com/watch?v=QAE2-FQHkok&fmt=18 ） 。 When you append &fmt=18, YouTube will download the video as a MP4 (H264 with AAC audio) and encoded it at 480×360.当您与裂变材料条约的附加= 18 ， YouTube将下载视频作为的MP4 （ H264与AAC音频）和编码，它在480 × 360 。 Having sad that, the above tricks do not work for all YouTube Video.在可悲的是，上述手法并不适用于所有YouTube影片。 It only works for a small number of videos at this point of time.它仅适用于少量的影片在这一点上的时间。

YouTube registered users can now YouTube网站的注册用户现在可以 force all videos to play in high quality mode部队的所有影片中发挥高品质模式 whenever available, or even只要可用，或什至 watch video in 720p real HD mode在观看视频支持720p真正的高清模式 . 。

IMPORTANT : This is a machine translated page which is provided "as is" without warranty. 重要说明：这是一台机器翻译网页这是“原样”提供，无保修。 Machine translation may be difficult to understand.机器翻译可能很难理解。 Please refer to请参阅 original English article英文原文的文章 whenever possible.只要有可能。

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