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小时候都在电视上看过的这张图,居然是精心设计的?!

不知道大家还有印象没有d2f1cc0e928373a46abb1f5e45abf1bb996ca8ae

小时候每到礼拜二下午06d15384b4185131818181ab678e08397433e2e6

电视机就变成了这个样子JDViNzhhYmVjYTQ5OWM=

NWI3OGFiZWNhNGFiZg==

d774be0b2ffe368cf7f19f694755e6f4

774f26617707297845a8aee1f18129e1

c13a061f5238af61071c348ff32a3ed409c7c444

或者这个样子JjViNzhhYmVjYTRmMGE=

MDAwMDAwMDAwMHmNjs-E3MvMjaOIm72HiaCxqK2i

e5d53cfedd2b6ad2a279138a46b394ccf7eb6a67

如今已经变成了老叔叔老阿姨3e3b3de18d5b67761da455f53764aab1afcf7805

曾经也是守在电视机前的小朋友ad40327157fe570c7ca8e63f1b4ad28a

然鹅这个讨厌的画面是干啥用的QDViNzhhYmVjYTU0NWM=

至今对此仍旧一无所知f49160bc51019b7ce31a62e91e43a57d

MDAwMDAwMDAwMHqNjs-E3MvMjaOIm72HjGS8uK2i

ecc38d3784bb5922ed4537f4d44bf9c4976ff28c

3bb34157bbca890d1f3fa01ccc213a09

cb4b7fab3a478bc47308ee17751e6f00a6c45d2b

211024573918031702513f1059fd411c

我们只知道这个图JDViNzhhYmVjYTViZGY=

会在电视节目结束之后放出JDViNzhhYmVjYTVjZGM=

还会伴随着“嘟——”的消音音效6c44249d490f88abf12c64085a615c108bd35122

然而它可是有着正儿八经的名字的ae3eaf65283a0920c30dd96b63339b62f722374a

6721432fca27c3ec67070dd505e143a9b72d2b2a

检验图(Test Card)NWI3OGFiZWNhNjEyYg==

MDAwMDAwMDAwMHmNjs-E3MvMjaOIm72HkKuxzrGi

不仅有背景有故事JTViNzhhYmVjYTYzNDg=

还有功能有设计MDAwMDAwMDAwMHujjs-E3MvMjaOIm72HkK2ypcui

绝对不仅仅是电视台没东西放了MDAwMDAwMDAwMHmNjs-E3MvMjaOIm72HkGOyuLWi

就随便拉一张来凑时间的野鸡!305e4e7ef785509dc82c11ab82d33eeb0c55f9ae

JTViNzhhYmVjYTY3OTI=

a04e3947295c944586166a5cc7d046af5fd8d848

MDAwMDAwMDAwMHujjs-E3MvMjaOIm72HkGe9ta2i

JDViNzhhYmVjYTZhYzI=

MDAwMDAwMDAwMHmzjs-E3MvMjaOIm72HkZywpbGi

我们见到的最多的检验图8ac89c9a5ae11dcaba81bb3fd82d6ef3

就是文章开头提到的两张了034a92ad9abb395f472b404d1216fe05

51cbeaa15250fe669769aeb143e1e394

第一张是彩色条纹状图案9f40b89c1f04e61ba47dc391f5bb021a6493c4cb

因此它的名称就是MDAwMDAwMDAwMIF9js-E3MvMjaOIm72Hmqqxpami

“彩条信号图”752ee9f303eefed6e2e907ed7778f648b208a0fa

ITViNzhhYmVjYTczMmI=

KjViNzhhYmVjYTc0Mzg=

f8b12ff79110c5b92922fc965ce09b5329a13ae2

17ab59a7425e7713be75f17ea776dfa43086af49

419cdf7975bca7b186edb7cf97e8bd391331560f

上图是欧洲广播联盟(EBU)MDAwMDAwMDAwMHqjjs-E3MvMjaOIm72Hmma827Gi

使用的彩条信号检验图MDAwMDAwMDAwMHqNjs-E3MvMjaOIm72Hmme9pc-i

又叫EBU检测图JjViNzhhYmVjYTdhYzg=

219d41b62a3f630f0dd72e101652fa70

从左至右fbd3fbb08b6abc50239eb1b265e4548fad04623d,它的颜色依次为4a425c2632b3bf6a34163dd1cacea77c872d6158

白色、黄色、靛色、绿色MDAwMDAwMDAwMH6QgZmFqanNjo2AmbJliK2xsqGi

紫色、红色、蓝色、黑色6dea5d1e88deabbb3dd9484a81aa0d10

八种颜色的长方形彩带f30d0048654a1077deb4aa872634f34724f86cf1

在黑白电视机中MDAwMDAwMDAwMHujjs-E3MvMjaOIm72HnqqytbGi

呈现出来的是由亮到暗的样子XjViNzhhYmVjYTgyN2U=

MDAwMDAwMDAwMHmzjs-E3MvMjaOIm72Hnqy826mi

QDViNzhhYmVjYTg0YjE=

MDAwMDAwMDAwMHmzjs-E3MvMjaOIm72HnmO9y7Wi

599e019f8ac41e118d636410f5973db0

24a2d27ed2669c869293259b6012467437b1ffcc

2637f36d34ca6a9199b162d4180c6d9d6c331c2b

与此类似的还有28349202fb42e72698c50f9b11f55c8c

美国电影电视工程师协会检验图IzViNzhhYmVjYThiMmE=

又被称为“SIMPLE检验图”MDAwMDAwMDAwMIijjs-E3MvMjaOIm72Hn5yxzrWi

a9ffba42dd008c2a6f332cd941e0a858

与EBU的八种颜色略有区别MDAwMDAwMDAwMIijjs-E3MvMjaOIm72Hn56yuLWi

它上部2/3部分从左至右依次是e464f3e9708f3e7a6d8af720f65c030e

灰色(75%白色)、黄色、靛色cb02c6817c5d9e8aa5fe62d8d56e5ac823008127

绿色、紫色、红色、蓝色共七色MDAwMDAwMDAwMHqjjs-E3MvMjaOIm72Hoqq9y8ei

并且多出了中间1/12和下方1/4的彩条NWI3OGFiZWNhOTJlZg==

f494e6f052f40845ab04a5667d74826c429a8108

XjViNzhhYmVjYTk1MjI=

6dcb89f43d20ed3f6bc4563a1219a9479f104ae5

MDAwMDAwMDAwMHmNjs-E3MvMjaOIm72HomWxk7Wi

cfecf7a73fda9a614aeae3a9e08db2ef2cc51368

MDAwMDAwMDAwMH6QgZmFqanNjo2AmbOHn5yxyKGi

此外还有日本1995年开发的76783c2f0427522f6a326a1d621d2abf

ARIB(日本电波产业会)检验图b0027fe9d371a2db45142682df684d1725a21fc5

色块的分布又和上面两张有所区别MDAwMDAwMDAwMHujjs-E3MvMjaOIm72Ho5y9zq2i

XjViNzhhYmVjYTlkZTY=

QDViNzhhYmVjYTlmMDU=

JTViNzhhYmVjYWEwMjM=

KjViNzhhYmVjYWExM2I=

3ed87f33c06395b2f36b35180a17ea13828db137

NWI3OGFiZWNhYTM3Mg==

第二张复杂得多的图fcbb7ea48b298958841d98bead3ec2a3

叫做飞利浦PM5544检验图NWI3OGFiZWNhYTVhYQ==

我朝广电系统又俗称其“圆图”MDAwMDAwMDAwMHmzjs-E3MvMjaOIm72KfGS9uLGi

MDAwMDAwMDAwMHujjs-E3MvMjaOIm72KfGawpbGi

它有很多变种019a340bf694d6d99c6151f897a4a13794804467

例如我国央视使用的GB2097检验图ITViNzhhYmVjYWFhMDc=

IzViNzhhYmVjYWFiMjM=

830c21aab0c0561f30ed897a232af7d3

MDAwMDAwMDAwMHqjjs-E3MvMjaOIm72KfZ2xk7Wi

IzViNzhhYmVjYWFlNmQ=

XjViNzhhYmVjYWFmODY=

eaf3ea8b8a7d59041380def7d3acc432feb9ed5c

和飞利浦公司为16:9宽屏电视93ae8659dd27382a13774bd8dbb52d62

开发的飞利浦PM5644检验图0358e8a1a151837edeed6e232a356e46de5a195f

MDAwMDAwMDAwMHmNjs-E3MvMjaOIm72KgK2wuL2i

MDAwMDAwMDAwMHujjs-E3MvMjaOIm72KgGOw272i

b61b581096fa9eae7b24b8da19cb7d4a

afdf7fe4e015a56a8bbcfa23771dca2f6583e58b

IzViNzhhYmVjYWI4NTM=

NWI3OGFiZWNhYjk3NQ==

最初的飞利浦PM5544NWI3OGFiZWNhYmE5Zg==

由飞利浦电视实验室首席工程师MDAwMDAwMDAwMHp9js-E3MvMjaOIm72KgZu9tbGi

埃里克·赫耳墨尼尔森在哥本哈根设计MDAwMDAwMDAwMHqjjs-E3MvMjaOIm72KgZy9zqmi

别看都是一堆色块变来变去69e75e64cff2fd43d60cbc9ff584cb1c

它的模式图设计其实非常精密和严谨JjViNzhhYmVjYWJmMGY=

QDViNzhhYmVjYWMwMmM=

PM5544模式图6e12fbb8ff2ffb8fdb33727dd0da9030018ff0bd

15c15c4ac7e9b72f3f926488d3c52685d9319f60

1049de42573f102701c3f0cc3d05fd84

QDViNzhhYmVjYWM0OWE=

ITViNzhhYmVjYWM1YjE=

f4bbc2c77f3fb290d6d250fef2212e866e9845b6

PM5644模式图68a2ee48b2b41f21656aa0bacdf21d53

MDAwMDAwMDAwMHqjjs-E3MvMjaOIm72KhGewy7Gi

MDAwMDAwMDAwMHqjjs-E3MvMjaOIm72KhGixpami

d966a9574848fb47d1be9fb9264b70ed

1fdc5c35b523a7fa3a6d620bbbb5e72f51c2d909

0cc04efe6b990e72380babaf68868f9f

MDAwMDAwMDAwMHqjjs-E3MvMjaOIm72KhZ6ytbGi

QDViNzhhYmVjYWNmNzc=

话说回来MDAwMDAwMDAwMHmzjs-E3MvMjaOIm72KhaC8y8ui

检验图的配色对我们来说MDAwMDAwMDAwMIijjs-E3MvMjaOIm72KiKq827Wi

可以说是非常辣眼睛了NWI3OGFiZWNhZDJhNQ==

那为什么还要使用这种配色?c2bd29a590edc8af59db79ca9ffde37a

MDAwMDAwMDAwMH6QgZmFqanNjo2Amb53haCysqGi

ITViNzhhYmVjYWQ1ZGE=

QDViNzhhYmVjYWQ2ZWM=

MDAwMDAwMDAwMHmNjs-E3MvMjaOIm72KiGawzrWi

MDAwMDAwMDAwMIF9js-E3MvMjaOIm72KiGewk62i

229c9669a8a596b603179a00bf87e2d7

首先检验图当中使用的颜色430e9e1e45742bc1d1ab28451ebc60ad8f34600c

叫做“测试色”(color bar)20bdffd2e836bee3af1ff3f729c79b711bf1f325

MDAwMDAwMDAwMHqNjs-E3MvMjaOIm72KiZ2yuLGi

在模拟信号传输过程中NWI3OGFiZWNhZGU5Mw==

由于早期技术水平的限制JjViNzhhYmVjYWRmYWI=

传到电视机的画面难免会有失真MDAwMDAwMDAwMHujjs-E3MvMjaOIm72KiaC9uLmi

MDAwMDAwMDAwMHp9js-E3MvMjaOIm72KjKuwtami

而检验图上的各种纯色XjViNzhhYmVjYWUzMDE=

能够检验显像管的工作是否正常314d064dac4c5ce1bef24710558e7fc3

长方形条纹粗细的不同MDAwMDAwMDAwMH6QgZmFqanNjo2Amb6HiGS9yKGi

则能够用来检验电视机的分辨率d681fe0e360049c0010a97a63fc0288a476480f4

c4b497a044a486f4f06020a8150f5668

2f37c9dbc16d9bb2fd9b3031ed9fc0db

ITViNzhhYmVjYWU5YTI=

ab85b1d6a496e7aafdf82b2f883a4e816d046de6

MDAwMDAwMDAwMHp9js-E3MvMjaOIm72KjZywpa2i

f21a0b8bfb27af87347c63d243e97150

电视台每天开播之前IzViNzhhYmVjYWVlMGI=

会首先播出检验图和测试色19101c8e579642ee15db3576bbfbc10d

方便观众调整电视机3ef5f89bb36e89e45b740caae84d56af

顺便查看电视机的性能良好与否b472589a94b1b8a074192d75a1f5067c

JDViNzhhYmVjYWYyNjc=

因此当这张图出现时KjViNzhhYmVjYWYzN2U=

并不是我们一般以为的没信号8a9a37f267fe3e663298f9ee23a39f5b868ab6f5

反而是有信号的标志ITViNzhhYmVjYWY1Yjk=

(只是没有可以播放的节目了)b3db9d77f5d565f5affad75282dd84e26681fcb5

MDAwMDAwMDAwMHqNjs-E3MvMjaOIm72KkGawtc-i

MDAwMDAwMDAwMIF9js-E3MvMjaOIm72KkGew26mi

db4796ff7b9f85282029bef29bb67e87

fa60cbcb5ca106ed50f8cc092e67f2d1

MDAwMDAwMDAwMIijjs-E3MvMjaOIm72KkZyypc-i

MDAwMDAwMDAwMHqjjs-E3MvMjaOIm72KkZ28tbmi

设计更为周全的飞利浦图案984178d72f489de3b31e78b66a13b055564810ae

包含了以往模拟信号传输7d1bc029477afd98a5ea29a4674290ea3246d817

所需要的各种标准波形JDViNzhhYmVjYjAwYzY=

8943f32b0ac7ae326c76145ad40faabdcf172122

图案四周的方格则可以用来测试XjViNzhhYmVjYjAyZjc=

CRT显示器边缘的失真与否MDAwMDAwMDAwMHujjs-E3MvMjaOIm72deK2wk6mi

(现在的LCD、LED电视基本用不到)MDAwMDAwMDAwMHmNjs-E3MvMjaOIm72deGOxtc-i

MDAwMDAwMDAwMHmzjs-E3MvMjaOIm72deGSx26mi

从而保障电视的成像质量468c5925549c8cae5cadca3224c4890a73a46c50

不会产生下面扭曲变形的情况9aaafd19d021cf558e56fcf5deeea8d19c2969a6

ITViNzhhYmVjYjA5OTg=

XjViNzhhYmVjYjBhYWY=

7d690cbb0b15833ae2462150d6acb9cb

MDAwMDAwMDAwMHqjjs-E3MvMjaOIm72deZ2wpc-i

912b4ff92aa0d3552b624b511de6d1ca

755dfd33644291d6e575bca7a188325c

671ad4afcf9a6ee8018eb67c1a5d8d55

MDAwMDAwMDAwMIijjs-E3MvMjaOIm72dfKqx28-i

b59f0c2a786880073db5d199d4be728b

刚才说到MDAwMDAwMDAwMIF9js-E3MvMjaOIm72dfKy8tc-i

检验图是方便观众调节的QDViNzhhYmVjYjE0OTI=

你也许会奇怪13ef20e2394919e09105f90a7d61d6e287139a71,长这么大a88eccdc3f594d4c24a6daa8bd67a968

从来没见过带调节按钮的电视机啊JjViNzhhYmVjYjE2YzM=

但事实上MDAwMDAwMDAwMIF9js-E3MvMjaOIm72dfGawpb2i

以前的电视机还真的有!fbe1ea07f6da1359c4bbd44af4793c82

cd76e25bba2e892e2014bf45bf52149e

a37885c3d9e6c66ef86cdb1e060580e7

MDAwMDAwMDAwMHqNjs-E3MvMjaOIm72dfZyxzq2i

JTViNzhhYmVjYjFkNWQ=

c5837642ae5eb049328aecb5d474300c

这张照片是纽约一家电器商店JjViNzhhYmVjYjFmOTE=

出售的电视机KjViNzhhYmVjYjIwYWM=

时间为1945年8月24日45c095a8ab2222a7d5a8bb87dc417e7ac6d3dfad

可以看到电视机屏幕下方MDAwMDAwMDAwMHmzjs-E3MvMjaOIm72dgKywpcei

分布了很多调节旋钮fc63589b451d55c376a2b30e0bec6156

fbb59fb0be9cd54fbec1e9ad56f452f43471bd8e

即使到了彩色电视的时代16a4b03c037902266f915d0dcd881ca0

电视机的构造也少不了它们aaa02f89d2c1614e6e17e3c3d5ed6ad4

a1679d5d461b6f08abbae92a88078e8079b18244

IzViNzhhYmVjYjI5ODE=

89c38da32576257be0f4580e343074f0

KjViNzhhYmVjYjJiYjA=

641cdba46953794a2b145ab23d31689e

2f5df9999742b95ad6af4053891e3e03

4a6c3c43a8c496dbcc20e5f6d1aa4a6c28ed8227

3f6e4f22ac624860a6adf988fbc6873122877cab

ec9747d22b839f1ed6013a4b56ecea69

那么在黑白电视的时代fbfaf80608f8ce01139f872bb448c0164389c704

检验图还能派上用场吗?JTViNzhhYmVjYjMzNTg=

8475e1d7cf8496f80e00ce4bcff49fa78e366c8d

首先前文已经提到9cf0dce7a427d143f684126f51bda4fb4527b7a9

彩条信号检验图在黑白电视机中90e546b9cbe2d40f0f27955d3b9229b381707036

是以明暗的形式呈现a12a51c4575159c37c1c216f32b8da571fa4c764

KjViNzhhYmVjYjM4ZDU=

其次7c1e429aa185d9edbf9331fe6a0701933fcb4dde,彩色检验图在被设计出来之前a582a997348d88421ab272ea4a3fda6e

电视台最开始使用的检验图KjViNzhhYmVjYjNiMGQ=

是BBC公司播放的“调音信号”测试卡4b9a02b165b6b5d7a2d17928ead46d0b

59dcaedfc4c48e1a367dd3eda2560de54b5af16b

它由一个圆形和一条线组成QDViNzhhYmVjYjNlNWU=

长得跟日出的简笔画似的d30ce2dde98deba069e71fe1d49b81c0da3390ad

b63d90a9094938f3e68d481ab76c452663a99130

05b20111be63c55a7135759f6023190a

MDAwMDAwMDAwMHqNjs-E3MvMjaOIm72diKu9uLWi

c35bef4d238bb628c3e6985adb9ca350

MDAwMDAwMDAwMHmzjs-E3MvMjaOIm72diGOwy6mi

MDAwMDAwMDAwMIijjs-E3MvMjaOIm72diGSwk7Wi

同一时期还有美国的MDAwMDAwMDAwMIijjs-E3MvMjaOIm72diGWxuLGi

“印第安人头检验图”JjViNzhhYmVjYjQ4NTE=

因图上有个印第安的头像而得名0cf905ec75a4a1139c5e1482b6cabfd6212dfaee

590d259789ad455121f2f4286f4cec84

29cb60fc06b351c5d75d0314e4672193294eb04f

75617283e3bcc039d7ba964d371b1cba

MDAwMDAwMDAwMHmzjs-E3MvMjaOIm72diZ29zqmi

KjViNzhhYmVjYjRlZjA=

它于1939年由美国无线电公司发明c8d30e714973b01a62ad1c2426c49495bd8fc6c7

一直被延续使用了很长时间ITViNzhhYmVjYjUxMjc=

它能够调整任何圆形变椭圆等等dbfc7f25da61b4aa0fd782c1eb1104e3

诸多可能出现的图像扭曲903319724f37cec22a565ecc786aef8a

NWI3OGFiZWNiNTQ3Yw==

ITViNzhhYmVjYjU1OTU=

bcfbe33cbeabc19e88f9376c050c901a3e6125e0

a86f8d04261c1aa9c095bd1da1b509c1f23a4695

95f94d70e158fd7b264d85bc37446614

5c318cc08acd3cb955b951428ceae1c4

与此同时0ef33e23eee2bc6452e325ee2cbd20604347c2d3

BBC测试卡一直在更新迭代JDViNzhhYmVjYjVjM2U=

1948年首次发布了测试卡Ca7ebe11a03373e6ca6c45b604c3ea168

(A太辣鸡MDAwMDAwMDAwMHqjjs-E3MvMjaOIm72ghGiwpa2i,B没露面)MDAwMDAwMDAwMHujjs-E3MvMjaOIm72djZ6ytcui

04d8c4d19e32ffca7087be76951bb94544546e7e

MDAwMDAwMDAwMIF9js-E3MvMjaOIm72djaC828ui

48d2d14c6d29430e01b6a70424e26a083c595fb8

dcc7e81a9ea49151a94da19655c7666c4fdcc426

997d2745a6db2c56e32f268025a2b229029ae1a2

往后又发布了DEFHJWXf46b4886db3fd8a9009ebcd3e34b3fe6

等等各种测试卡d55588e9962176defc406a3bc4ac8be1

但最为人熟知的还是测试卡Ff65ed7153b6c6e95a87c22097b4a8b1be9c518a3

因为它是所有检验图里面最特别的JDViNzhhYmVjYjY4MWU=

ITViNzhhYmVjYjY5MzU=

MDAwMDAwMDAwMIijjs-E3MvMjaOIm72dkGix28ui

MDAwMDAwMDAwMHmzjs-E3MvMjaOIm72dkZuytb2i

418b99fb4dbbd4f28dfb995a1e690ec3

MDAwMDAwMDAwMHp9js-E3MvMjaOIm72dkZ2828-i

MDAwMDAwMDAwMHmzjs-E3MvMjaOIm72dkZ69tami

照片中正在和小丑玩偶MDAwMDAwMDAwMHmNjs-E3MvMjaOIm72dkZ-9y8ei

玩井字棋的小姑娘5ebd707657c082720e0a06a65895d862

是BBC的工程师MDAwMDAwMDAwMIijjs-E3MvMjaOIm72dmquwy8-i

George Hersee的女儿QDViNzhhYmVjYjczMTc=

Carole Hersee81b2a0007aeeba47e1b669167ee6ba9031dc9898

MDAwMDAwMDAwMHp9js-E3MvMjaOIm72dmmOx262i

a01b4f09320dd419b98188bc96130c2aff215d88

e7308f52d0723f656ddde16c8ddeec9d

d5417c05f5afed2d2edef34e3b8e67285a98a73e

JTViNzhhYmVjYjc5YmI=

MDAwMDAwMDAwMHqNjs-E3MvMjaOIm72dmmi9zrWi

这样检测图第一次被使用QDViNzhhYmVjYjdiZjM=

是在1967年7月2日XjViNzhhYmVjYjdkMGI=

英国首次播放彩色照片的第二天fd6a3fa832e8491bc961fd5a513e32ea0a8b3bf0

MDAwMDAwMDAwMIF9js-E3MvMjaOIm72dm5-x272i

它也是英国第一张dd2bf7a45c8d839dceeed60747d3baae02cd6760

使用彩色照片的检测图a9a9174c75f326813ac21b397cc9db6e05e1219c

cc958ac0d4ff477c75df3fecdb8e5473

而小姑娘的照片7f74c6c898d3970aebcf612403e08db9

因为具有历史性的纪念意义KjViNzhhYmVjYjg0ZDI=

也经常作为一个梗被模仿MDAwMDAwMDAwMHujjs-E3MvMjaOIm72dnmSwtbmi

成为英国标志性形象之一cadf565d7d2d61461b27e4f71835f34f

81abf4a975696344db7d1c5edd839c21

JDViNzhhYmVjYjg5M2U=

42b8f37ba09453365d74edee0148d997

JDViNzhhYmVjYjhiNmQ=

MDAwMDAwMDAwMIijjs-E3MvMjaOIm72dn5y8y6Wi

c0d3d382dddca6e34801c6c01c72c6a6d4062e54

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MDAwMDAwMDAwMHqjjs-E3MvMjaOIm72doqqwuK2i

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303eaa72f414287f8dab94639a18b8f5

这个故事告诉我们:MDAwMDAwMDAwMIF9js-E3MvMjaOIm72domOyta2i

学好数理化JDViNzhhYmVjYjk2ODI=

向世界晒娃fbf1b9a42389a715bc5fd25b0312620e

晒娃晒的好MDAwMDAwMDAwMHujjs-E3MvMjaOIm72doma9qLWi

全国都模仿a70d72fd59535d60b87ae295e1e0477a5aa6c484

04fe0bd3d628f251dfb1b21d2ca6b361

586d093a261b694663985da4cee0d481

85d94c95f01a6c0fea65bd3dea54e0bc

MDAwMDAwMDAwMHmzjs-E3MvMjaOIm72do56xzrWi

NWI3OGFiZWNiOWY2Mg==

fecfd8c600bbb261fb4bfe68b534b42b

be4ea5f3e0acc77f1ecd138b5f69dd846f73dc75

70年代后期eb53e9c135e59e08a3b2cdd32f37e7f5

一些电视台不再播出检验图797c68ea175106bed916792badcd37734b4247b8

而是通过自动系统直接关闭电源NWI3OGFiZWNiYTRmNA==

出现的就是每次都会带来一波噪音的67f4a892bb7d9a8eed30229d3920298fa6bc3320

你们一定印象深刻的“雪花”1ecdf0dd1ba3612394a5d0a6e859f231

1516232572ab5480be1c5eff398cddbe

10f4d9cb71f5459c55f147200b29322a

MDAwMDAwMDAwMHp9js-E3MvMjaOIm72gfGi8tc-i

b7f737cfd334cf398b21be526e48959e

MDAwMDAwMDAwMH6QgZmFqanNjo2Amr2KgZ-xyKGi

但检验图的功能d6d7542252d61784be9aa856f55c57f7

很明显已经无法被取代7d5545dbdb5f75dc4689825857b5bb0e

因此依然延续了下来3eb8150381e4961dd4f69c1b5139d4a2

在需要调整屏幕分辨率JTViNzhhYmVjYmIxMzE=

我们依然能看到这些亮瞎眼的彩条MDAwMDAwMDAwMH6QgZmFqanNjo2Amr2dfGaysqGi

JTViNzhhYmVjYmIzNzE=

1d28c1b6428ee10f4dd841446958fee5fe510558

MDAwMDAwMDAwMHujjs-E3MvMjaOIm72ggGO9ta2i

e50514952173c86a26db6671242732d07fd186ef

70eaac8729b54f0f810d9818c8463de6

509f617847b0e83c75669aeeeb3eac89

虽然检验图和童年一样IzViNzhhYmVjYmJhMmY=

渐渐消逝在我们的记忆中d5073c433d2578aeb52043e2f18b401f8b867f87

但这也并不妨碍我们重温6733ba61bb3824cd2165b15737cd7403cd6226ef

巴巴儿地等着电视开播的心情ee8e5ac659cfc4ead32f3848a12b93a2

MDAwMDAwMDAwMH6QgZmFqanNjo2Amr2giZ28yKGi

MDAwMDAwMDAwMHqjjs-E3MvMjaOIm72ggZ-9tbGi

caad42819e4c1c4e3740e076e139b777

-END-JDViNzhhYmVjYmMxZjE=

MDAwMDAwMDAwMH6QgZmFqanNjo2Amr2tgK2ysqGi

MDAwMDAwMDAwMHmNjs-E3MvMjaOIm72ghK2xtami

MDAwMDAwMDAwMHp9js-E3MvMjaOIm72ghGOxk62i

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