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如果您今天購買的是電腦顯示器或筆記本電腦,則可能會在顯示規格中找到一個新術語:HDR或High Dynamic Range。HDR表示顯示器可以準確顯示以HDR格式保存的視頻和其他圖像內容,與以前的標準相比,該格式傳達的陰影和細微差別要大得多。
某些最新的Lenovo X系列平板電腦和敞篷車上都配備了HDR顯示器。但是HDR不僅適用於筆記本電腦。有HDR電視,HDR顯示器,甚至還有HDR平板電腦和智能手機。HDR10,Dolby Vision和其他HDR格式可以實現豐富的色彩細節,因此該技術非常適合從靜態攝影到動作視頻到想像的遊戲環境的所有內容。
HDR視頻仍然相對較新,並且兼容的內容雖然不斷增長,但仍不豐富。目前,這使HDR最受攝影師,視頻編輯和其他圖像專業人士的關注。但是隨著Netflix和Amazon現在都在流媒體播放HDR故事片和紀錄片,越來越多的普通消費者開始問“什麼是HDR?”。
什麼是HDR?無需太深入了解技術細節,HDR顯示器所產生的亮度和色彩深度要比為滿足較早標準而製造的屏幕產生的亮度和色深更大。以下是一些HDR基礎知識:
顯示亮度描述了它發出的光量,這又決定了屏幕上最亮和最暗像素之間的間隙。HDR顯示器產生的增加的光線使其最亮的像素比以前更亮,從而進一步將它們與最暗的像素區分開。對比度的提高使像素間的變化更加細微,圖像再現效果更好。
亮度以坎德拉/ m2或“尼特”為單位進行測量-在專業和家用顯示器以及筆記本電腦顯示器的技術規範中,該術語越來越常見。已經發布了幾種不同的標準來定義什麼才可以作為HDR顯示器,通常筆記本電腦的起價為400尼特,高端專業顯示器的起價為1000尼特甚至10,000尼特。
色深是指顯示器的每個像素可以利用多少位數據來產生圖像或視頻中的顏色。在進行HDR之前,大多數顯示器都以8位彩色填充。但是新的HDR格式可以處理10位(甚至12位)的顏色,從而潛在地增加了屏幕上的顏色變化。
這一切都在數學上。無論是直接還是通過抖動,8位顏色深度都可以使每種原色具有256種不同的陰影,從而可以生成大約1,650萬種顏色。10位顏色使陰影選項的數量從256個增加到1024個-將最大顏色變化增加到超過10億!
但是,HDR的經驗不僅限於亮度和色彩深度。 HDR內容還包含比典型內容更多的元數據,提供有關如何處理每個圖像或場景以實現預期顏色的詳細信息。一些HDR格式使用元數據來指導整個電影或場景的顯示,而其他格式(例如Dolby Vision)則承諾逐幀元數據。
最後,不要將HDR與其他新的與顯示相關的首字母縮寫相混淆,例如超高清(UHD)和4K,這兩個首字母縮寫僅與顯示分辨率有關(顯示器包含多少行像素,這又決定了每個視頻的詳細程度)或靜止圖像即可)。確實,HDR通常與UHD / 4K相關聯,但這是因為目前,該技術主要限於最有能力展示它的高端IPS顯示器。
買家需要了解製造商提供的不同HDR格式。以下是HDR市場的現狀:
不管採用哪種格式,與使用較舊技術的顯示器相比,那些查看HDR與非HDR內容的人都報告說亮度增加,對比度增強,色彩更加準確,細節更加精緻。
聯想一直是引入新的筆記本電腦和顯示器顯示功能的領導者,而HDR也不例外。我們享譽盛名的ThinkPad X系列包括業內首款筆記本電腦型號,可提供擴展的12位Dolby Vision HDR技術色彩:
所以請繼續。立即查看配備HDR的系統。圖像專業人士幾乎應該歸功於他們在HDR技術上的投入,因為它可以顯著改善色彩還原。包括重型電影流媒體和PC遊戲玩家在內的普通消費者正在發現越來越多的可用HDR內容,從而使支持HDR的消費者係統也越來越受歡迎。
The product/accessories photo is for reference only
Above machine specification information is for reference only and it refers to the highest configuration which the machine is compatible with, yet some specific configuration or related accessories may not available in Hong Kong due to reasons includes but not limited to hardware supply limitation, country (local market) regulation and so on. Please refer to the specific model description for configuration detail before you place order.
Actual battery life may vary depending on application usage, settings, features or tasks selected, network configuration, operating temperature and many other factors.
Limits: Lenovo reserves the right to limit the number of units to a particular product that a customer may buy at any one time.
Availability: Offers, prices, specifications and availability may change without notice. Lenovo is not responsible for photographic or typographic errors.
General System Information: Review key information provided by Microsoft that may apply to your system purchase, including details on Windows 10, Windows 8, Windows 7, and potential upgrades/downgrades. Lenovo makes no representation or warranty regarding third-party products or services.
Pricing: Does not include shipping and handling fees. Reseller prices may vary. Savings referenced off regular Lenovo web prices.
Warranty Service: The Service delivery will be determined by the destination country/region subject to Service capabilities and parts availability in the destination country/region.
Lenovo makes no representation or warranty regarding third party products or services. The Lenovo Limited Warranty applies only to Lenovo hardware products purchased for your own use, and does not transfer upon resale.
Trademarks: Lenovo, ThinkPad, ThinkCentre and the Lenovo logo are trademarks of Lenovo. Microsoft, Windows, Windows NT, and the Windows logo are trademarks of Microsoft Corporation. Ultrabook, Celeron, Celeron Inside, Core Inside, Intel, Intel Logo, Intel Atom, Intel Atom Inside, Intel Core, Intel Inside, Intel Inside Logo, Intel vPro, Itanium, Itanium Inside, Pentium, Pentium Inside, vPro Inside, Xeon, Xeon Phi, Xeon Inside and Intel Optane are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries. Other company, product or service names may be trademarks or service marks of others.
An estimated ship date will be posted on our order status site after your order is placed. The date reflected above does not determine when your order will ship since inventory status may change before your order is final and because items may be held until all products on the order are ready to ship. To obtain the latest information about the availability of a specific part number, please call the phone number listed in the masthead at the top of this page. A flat charge for shipping & handling may apply for certain orders, as indicated on the Checkout page.
The product/accessories photo is for reference only
Above machine specification information is for reference only and it refers to the highest configuration which the machine is compatible with, yet some specific configuration or related accessories may not available in Hong Kong due to reasons includes but not limited to hardware supply limitation, country (local market) regulation and so on. Please refer to the specific model description for configuration detail before you place order.
Actual battery life may vary depending on application usage, settings, features or tasks selected, network configuration, operating temperature and many other factors.
Limits: Lenovo reserves the right to limit the number of units to a particular product that a customer may buy at any one time.
Availability: Offers, prices, specifications and availability may change without notice. Lenovo is not responsible for photographic or typographic errors.
General System Information: Review key information provided by Microsoft that may apply to your system purchase, including details on Windows 10, Windows 8, Windows 7, and potential upgrades/downgrades. Lenovo makes no representation or warranty regarding third-party products or services.
Pricing: Does not include shipping and handling fees. Reseller prices may vary. Savings referenced off regular Lenovo web prices.
Warranty Service: The Service delivery will be determined by the destination country/region subject to Service capabilities and parts availability in the destination country/region.
Lenovo makes no representation or warranty regarding third party products or services. The Lenovo Limited Warranty applies only to Lenovo hardware products purchased for your own use, and does not transfer upon resale.
Trademarks: Lenovo, ThinkPad, ThinkCentre and the Lenovo logo are trademarks of Lenovo. Microsoft, Windows, Windows NT, and the Windows logo are trademarks of Microsoft Corporation. Ultrabook, Celeron, Celeron Inside, Core Inside, Intel, Intel Logo, Intel Atom, Intel Atom Inside, Intel Core, Intel Inside, Intel Inside Logo, Intel vPro, Itanium, Itanium Inside, Pentium, Pentium Inside, vPro Inside, Xeon, Xeon Phi, Xeon Inside and Intel Optane are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries. Other company, product or service names may be trademarks or service marks of others.
An estimated ship date will be posted on our order status site after your order is placed. The date reflected above does not determine when your order will ship since inventory status may change before your order is final and because items may be held until all products on the order are ready to ship. To obtain the latest information about the availability of a specific part number, please call the phone number listed in the masthead at the top of this page. A flat charge for shipping & handling may apply for certain orders, as indicated on the Checkout page.