不同尺寸iPhone看影片的大小 - iOS
By Hedwig
at 2018-09-15T23:49
at 2018-09-15T23:49
Table of Contents
看到有人說安卓板喜歡拿720p來酸iPhone XR
720p指的是影片解析度
我是不知道拿一個不相關的數值來亂套這種智商是怎麼一回事
但大概可判斷出觀看影片的效果是大部分的人考慮的因素
然後很多人會問哪台看影片比較大?
每個影片的比例都不一樣,
沒說你看的影片比例是多少要怎麼比?
所以直接做個圖來比較不同比例影片在不同裝置完整顯示時的實際視覺大小
不要去管什麼1080p、720p、4K、5K
這些數值只是傳統上表達螢幕或影片能表現的像素尺寸
現在超高ppi螢幕越來越普遍
一般消費者去看螢幕的像素尺寸根本沒意義了
要看一個螢幕的畫質細不細膩直接看ppi
要比較螢幕畫面視覺大小就看螢幕實際尺寸
主流的影片長寬比有以下幾種:
4:3
3:2
16:9 (1.78:1)
1.85:1
2.39:1
而目前大部分影片源都是寬螢幕比例
所以就以16:9、1.85:1、2.39:1這三種比例來做比較
黑色部分為螢幕大小
紅色部分為影片大小
https://i.imgur.com/MAWlyYT.png
實際拿兩部電影來做範例,
順便比較一下強制填滿螢幕的裁切情況
16:9以《海街日記》做範例,片源解析度為1920x1080,
2.39:1(2.4:1)以《神力女超人》做範例,片源解析度為1920x800,
黑色半透明區域為被裁切掉的範圍。
https://i.imgur.com/sy1zBwq.png
--
720p指的是影片解析度
我是不知道拿一個不相關的數值來亂套這種智商是怎麼一回事
但大概可判斷出觀看影片的效果是大部分的人考慮的因素
然後很多人會問哪台看影片比較大?
每個影片的比例都不一樣,
沒說你看的影片比例是多少要怎麼比?
所以直接做個圖來比較不同比例影片在不同裝置完整顯示時的實際視覺大小
不要去管什麼1080p、720p、4K、5K
這些數值只是傳統上表達螢幕或影片能表現的像素尺寸
現在超高ppi螢幕越來越普遍
一般消費者去看螢幕的像素尺寸根本沒意義了
要看一個螢幕的畫質細不細膩直接看ppi
要比較螢幕畫面視覺大小就看螢幕實際尺寸
主流的影片長寬比有以下幾種:
4:3
3:2
16:9 (1.78:1)
1.85:1
2.39:1
而目前大部分影片源都是寬螢幕比例
所以就以16:9、1.85:1、2.39:1這三種比例來做比較
黑色部分為螢幕大小
紅色部分為影片大小
https://i.imgur.com/MAWlyYT.png
實際拿兩部電影來做範例,
順便比較一下強制填滿螢幕的裁切情況
16:9以《海街日記》做範例,片源解析度為1920x1080,
2.39:1(2.4:1)以《神力女超人》做範例,片源解析度為1920x800,
黑色半透明區域為被裁切掉的範圍。
https://i.imgur.com/sy1zBwq.png
--
Tags:
iOS
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