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480P、720P、1080P是什么意思? 720P是美国电影电视工程师协会(SMPTE)制定的高等级高清数字电视的格式标准,有效显示格式为:1280×720.SMPTE(美国电影电视工程协会)将数字高清信号数字电视扫描线的不同分为1080p、1080i、720P(i是interlace,隔行的意思 阅读全文
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常常看許多線上的下載的影片檔,尤其是盜版電影,時間長度可能長達兩個小時,但檔案容量卻神奇的小,怎麼辦到的? 要達到以上的這個目標,有幾個關鍵,一個就是編碼器的種類,比如從前的DivX、mpeg-2…以至於到現普遍的H.264以至於到H.265等等,再來就是位元流量(bitrate),數值越高對於影片 阅读全文
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DMKAlex wrote: Vesku wrote: DMKAlex wrote: Can someone explain this please? Thanks. CBR = constant bitrate VBR = variable bitrate (more bitrate when l 阅读全文
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Windows Media Audio Professional (WMA Pro) is an improved lossy codec closely related to WMA standard. It retains most of the same general coding feat 阅读全文
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. amp_comes_out_of_standby_when_receives_request_aud_sts 阅读全文
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简介 今天,大屏幕 HDTV(高清电视)已获得消费者的广泛认可,人们都在添置各种电子设备,完善他们的家庭影院系统。单机家庭影院(HTiB)、SOUNDBAR 音箱和影音接收机(AVR)能为用户提供更加出色的音频体验并令 HDTV 视频性能更臻完善。提取和处理高保真音频信号的能力是目前市场上甄选硬件的 阅读全文
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Possible disadvantages While the simplicity of ARC and audio-over-HDMI is great, it's not entirely perfect. The ARC standard was designed specifically 阅读全文
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. TV broadcasts <set stream path> msg which contains phy addr, src dev broadcasts <active src> msg. 阅读全文
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. a 'pure' cec switch uses 'unregistered address'(15) as logical addr, . when a device becomes the active src, it will broadcast <active src>, 阅读全文
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