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數(shù)字節(jié)目圖像質(zhì)量主觀評價檢測項目報價???解決方案???檢測周期???樣品要求? |
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本標準規(guī)定了廣播電視的主要術(shù)語和定義。本標準適用于廣播電視系統(tǒng)。
本標準界定了音頻、視頻和視聽設(shè)備及系統(tǒng)范圍內(nèi)基礎(chǔ)和常用詞匯的中英文名稱及定義,但不包括信號傳輸方面的詞匯。本標準適用于音頻、視頻和視聽設(shè)備及系統(tǒng)范圍內(nèi)基礎(chǔ)和常用詞匯的中英文名稱及定義,其他領(lǐng)域可參照使用。
This Recommendation specifies the requirements relevant to the presentation of the sound components of the large-screen digital imagery (LSDI)applications intended for presentation in a theatrical environment. The specifications are mostly based on those contained in Recommendation ITU-R BS.775, revised where necessary to reflect the peculiarities of the presentation environment envisaged for that LSDI application.
Some LSDI applications require certain resolution and scanning formats that go beyond HDTV in order to give viewers enhanced visual experiences. This Recommendation specifies an expanded hierarchy of LSDI image formats for production and international programme exchange while retaining the tiered relationship with the formats in existing Recommendations.