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YouTubeの動画アップロード、ダウンロードによる画像劣化がどの程度なのかを検証するべく、mp4でアップロード⇔flvでダウンロードを1000回繰り返す企画が1年かけて行われたそうです。

1回目のアップロード

1回目から画質悪いじゃないか!mp4への変換がダメなんじゃないか?!という突っ込みは禁止。

[YouTube] I Am Sitting In A Video Room 1

An homage to the great Alvin Lucier, this piece explores the ‘photocopy effect’, where upon repeated copies the object begin to accumulate the idiosyncrasies of the medium doing the copying. Full words:  I am sitting in a room different from the one you are in now. I am recording the sound of my speaking voice as well as the image of myself, and I am going to upload it to YouTube, rip it from YouTube, and upload it again and again, until the original characteristics of both my voice and my image are destroyed. What you will see and hear, then, are the artifacts inherent in the video codec of both YouTube and the mp4 format I convert it to on my computer. I regard this activity not so much as a demonstration of a digital fact, but more as a way to eliminate all human qualities my speech and image might have.  Please visit:  http://www.ontologist.us   and  http://en.wikipedia.org/wiki/I_Am_Sitting_in_a_Room

50回目

[YouTube] I Am Sitting In A Video Room 50

An homage to the great Alvin Lucier, this piece explores the ‘photocopy effect’, where upon repeated copies the object begin to accumulate the idiosyncrasies of the medium doing the copying. Full words: I am sitting in a room different from the one you are in now. I am recording the sound of my speaking voice as well as the image of myself, and I am going to upload it to YouTube, rip it from YouTube, and upload it again and again, until the original characteristics of both my voice and my image are destroyed. What you will see and hear, then, are the artifacts inherent in the video codec of both YouTube and the mp4 format I convert it to on my computer. I regard this activity not so much as a demonstration of a digital fact, but more as a way to eliminate all human qualities my speech and image might have. Please visit: http://www.ontologist.us and http://en.wikipedia.org/wiki/I_Am_Sitting_in_a_Room

500回目

音量注意。

[YouTube] I Am Sitting In A Video Room 500

HALFWAY THERE!   An homage to the great Alvin Lucier, this piece explores the ‘photocopy effect’, where upon repeated copies the object begin to accumulate the idiosyncrasies of the medium doing the copying. Full words: I am sitting in a room different from the one you are in now. I am recording the sound of my speaking voice as well as the image of myself, and I am going to upload it to YouTube, rip it from YouTube, and upload it again and again, until the original characteristics of both my voice and my image are destroyed. What you will see and hear, then, are the artifacts inherent in the video codec of both YouTube and the mp4 format I convert it to on my computer. I regard this activity not so much as a demonstration of a digital fact, but more as a way to eliminate all human qualities my speech and image might have. Please visit: http://www.ontologist.us and http://en.wikipedia.org/wiki/I_Am_Sitting_in_a_Room

1000回目

音量注意。

[YouTube] I Am Sitting In A Video Room 1000

***REDUX VIDEO OF ALL 1000 COMING SOON***  The first video: http://www.youtube.com/watch?v=jEIzS_27Vt0  I started this project exactly 1 year ago, almost to the hour. The final version is a lot different than I thought it would be, I was expecting a lot more digital video noise, and a lot less digital audio noise. Let this be a lesson, though, always be careful how you convert your digital media!  An homage to the great Alvin Lucier, this piece explores the ‘photocopy effect’, where upon repeated copies the object begin to accumulate the idiosyncrasies of the medium doing the copying. Full words: I am sitting in a room different from the one you are in now. I am recording the sound of my speaking voice as well as the image of myself, and I am going to upload it to YouTube, rip it from YouTube, and upload it again and again, until the original characteristics of both my voice and my image are destroyed. What you will see and hear, then, are the artifacts inherent in the video codec of both YouTube and the mp4 format I convert it to on my computer. I regard this activity not so much as a demonstration of a digital fact, but more as a way to eliminate all human qualities my speech and image might have.  Please visit: http://www.ontologist.us  and   http://en.wikipedia.org/wiki/I_Am_Sitting_in_a_Room


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  1. No.750:名無しさん 2010年06月05日 17:46
    1000回目、水の音しかしねえ
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  2. No.751:名無しさん 2010年06月05日 18:37
    がんばればドナルドに聞こえる
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  3. No.753:名無しさん 2010年06月05日 20:55
    繰り返すと映像時間が短くなるのな

    ※1
    映像も水彩画っぽいな
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  4. No.754:名無しさん 2010年06月06日 01:32
    プレデター思い出した
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  5. No.762:名無しさん 2010年06月06日 14:29
    500回目でスターフォックス思い出した
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  6. No.769:名無しさん 2010年06月06日 21:44
    これ、You Tube側の劣化もあるかも知れんが、
    アップロード側の劣化が相当なものだろうなと。
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  7. No.876:名無しさん 2010年06月14日 20:55
    50回目くらいの感じが昔のプレステソフトっぽくて好き。MGS1はこんな感じだったなぁ。
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  8. No.985:名無しさん 2010年06月21日 00:07
    2つ目の動画がプレステの機械音声(?)だなww
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  9. No.4076:通りすがりの名無しさん 2010年11月20日 20:41
    1000回もアップ&ダウンし続けたことが一番すごい。
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  10. No.5306:通りすがりの名無しさん 2010年12月31日 22:05
    ピヨピヨきこえる
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  11. No.6311:通りすがりの名無しさん 2011年01月30日 00:52
    やっぱり、限界がくるのだろう。それに画像と音があんなふうに何故なるんだろうか
    劣化を防ぐ方法はないのかな?    #v#
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