Using the free software ¹«·á ¼ÒÇÁÆ®¿þ¾î¸¦ »ç¿ëÇÏ¿© VideoSpec videospec , you can determine which audio and video codecs are required for watching a video file, the audio and video bitrates, and much, much more. , ´ç½ÅÀ» È®ÀÎÇÒ ¼öÀÖ½À´Ï´Ù¸¦º¸°í¿¡ ÇÊ¿äÇÑ ¿Àµð¿À ¹× ºñµð¿À ÄÚµ¦Àº µ¿¿µ»ó ÆÄÀÏÀÇ ¿Àµð¿À ¹× ºñµð¿À ºñÆ® Àü¼Û·ü, ±×¸®°í ÈξÀ ´õ ¸¹ÀºÇÕ´Ï´Ù.
Note: this tutorial uses a slightly older version of VideoSpec. Âü°í »çÇ× : º» ÀÚ½À¼ÀÇ ÀÌÀü ¹öÀüÀ» »ç¿ë ¾à°£ videospecÇÕ´Ï´Ù. The steps and screenshots are very close, though not exact, to the current version. ´ÙÀ½ ´Ü°è ¹× ȸé ĸó´Â ¸Å¿ì ´Ý±â Á¤È®ÇϰԴ ¾Æ´ÏÁö¸¸, ÇöÀç ¹öÀü.
- Once installed, launch VideoSpec from your Applications menu. ÇÑ ¹ø ¼³Ä¡ÇÏ¸é ±ÍÇÏÀÇ ÀÀ¿ë ÇÁ·Î±×·¥À» ½ÃÀÛ ¸Þ´º¿¡¼ videospecÇÕ´Ï´Ù. Drag a video file into the Name: field. ºñµð¿À ÆÄÀÏÀ» µå·¡±×ÇÏ¿© À̸§ : ÇʵåÇÕ´Ï´Ù.
- VideoSpec will quickly analyze the file. ÀÌ ÆÄÀÏÀ» ½Å¼ÓÇÏ°Ô ºÐ¼®ÇÏ´Â videospecÇÕ´Ï´Ù.
- Once the file has loaded, the General Parameters tab will display info on that video. ÀÏ´Ü ÆÄÀÏÀ̷εåµÇ¸é ÀϹÝÀûÀÎ ¸Å°³ º¯¼ö ÅÇÀ»¿¡ ´ëÇÑ Á¤º¸°¡ ±× ºñµð¿À°¡ Ç¥½ÃµË´Ï´Ù. One of the areas you¡¯ll want to look at carefully if you¡¯re having trouble playing the video is the QuickTime Player Compatibility section. ¿µ¿ª Áß Çϳª¸¦ º¸¸é¼ ÀÌ·± »ý°¢À» ½ÅÁßÇϰÔÇØ¾ß ÇÒ ¹®Á¦°¡ ¹ß»ýÇÏ´Â °æ¿ì´Â ÄüŸÀÓ Ç÷¹À̾î ȣȯ¼º ¼½¼ÇÀÇ ºñµð¿À Àç»ýÇÕ´Ï´Ù. In it you¡¯ll find out if QuickTime itself can play the file, if it requires additional components to play the file, or if it can¡¯t play the video at all. ±×°ÍÀ» ¾Ë°Ô µÉ °æ¿ì ±× ÀÚü¿¡¼ ÆÄÀÏÀ» Àç»ýÇÒ ¼ö ÄüŸÀÓ, ¸¸¾à ÆÄÀÏÀ» Àç»ýÇÏ´Â Ãß°¡ ±¸¼º ¿ä¼Ò¸¦ ÇÊ¿ä·ÎÇÏÁö ¾Ê°Å³ª ÀüÇô ±×°ÍÀÇ ºñµð¿À¸¦ Àç»ýÇÒ ¼ö¾ø½À´Ï´Ù.
With the file I¡¯ve used as an example (see screenshot below) you¡¯ll see that QuickTime can play the video, but it requires additional components to do so. ÇÑ ¿¹·ÎÀÌ ÆÄÀÏÀ» »ç¿ëÇß½À´Ï´Ù (¾Æ·¡ ½ºÅ©¸°¼¦ ÂüÁ¶) ´ç½ÅÀ» º¼ ÄüŸÀÓ µ¿¿µ»óÀ» Àç»ýÇÒ ¼ö ÀÖÁö¸¸À̸¦ À§ÇØ Ãß°¡ ±¸¼º ¿ä¼Ò°¡ ÇÊ¿äÇÕ´Ï´Ù. The components it requires are Perian, Flip4Mac and/or DivX. ÀÇ ±¸¼º ¿ä¼Ò°¡ Çʿ䰡 perian, flip4mac ¹× / ¶Ç´Â divxÇÕ´Ï´Ù. VideoSpec will also list additional video players that can play the currently loaded file. °ü·Ã µ¿¿µ»ó Ç÷¹À̾ videospec ¸ñ·ÏÀº ¶ÇÇÑ ÇöÀç ·ÎµåµÈ ÆÄÀÏÀ» Àç»ýÇÒ ¼öÀÖ½À´Ï´Ù. In this case, the video can be viewed in VLC or MPlayer for OS X. ÀÌ °æ¿ì, ºñµð¿À¸¦ º¼ ¼öÀÖ½À´Ï´Ù mplayer¿¡ ´ëÇÑ ¿î¿µ üÁ¦¿¡ ·Î±×ÀÎÇϰųª ¿¢½º
- Select the Video Track Parameters tab for detailed information on the video track itself. ºñµð¿À Æ®·¢À» ¸Å°³ º¯¼ö ÅÇÀ» ¼±ÅÃÇÏ°í ºñµð¿À Æ®·¢¿¡ ´ëÇÑ ÀÚ¼¼ÇÑ Á¤º¸´Â ±× ÀÚüÇÕ´Ï´Ù. In the example below, the file is clearly labeled in the Video track format: field as an MPEG-4 XviD video . ¾Æ·¡ ¿¹Á¦¿¡¼ ¸íÈ®ÇÏ°Ô ·¹ÀÌºí¿¡¼ÀÌ ÆÄÀÏÀº ºñµð¿À Æ®·¢ Çü½Ä : Çʵå·Î mpeg - 4 xvid µ¿¿µ»óÇÕ´Ï´Ù. The Encoding library: confirms that XviD 1.1.2 was used to encode the video. 'ÀÎÄÚµù'µµ¼°ü : È®ÀÎ xvidÀÇ ºñµð¿À¸¦ ÀÎÄÚµùÇÏ´Â µ¥ »ç¿ëµÈ 1.1.2.
- Select the Audio Track Parameters tab for detailed info on the audio track that the video uses. ¿Àµð¿À Æ®·¢ ¸Å°³ º¯¼ö ÅÇÀ» ¼±ÅÃÇÏ°í ¿Àµð¿À Æ®·¢¿¡ °üÇÑ Á¤º¸¿¡ ´ëÇÑ ÀÚ¼¼ÇÑ ³»¿ëÀº ºñµð¿À¸¦ »ç¿ëÇÕ´Ï´Ù. Here you¡¯ll be able to determine what the audio format is (in my case, MP3) and the encoding properties (126 Variable Bitrate etc). ¿©±â¿¡ ¹«¾ùÀ» È®ÀÎÇÏ½Ç ¼öÀÖ½À´Ï´ÙÀÇ ¿Àµð¿À Æ÷¸ËÀº (³» °æ¿ì, 3)¿Í 'ÀÎÄÚµù'µî·Ï Á¤º¸ (126 °¡º¯ ºñÆ® Àü¼Û·ü µî).
- Finally, if you ever want to compare two files, use the Files Comparison tab. ¸¶Áö¸·À¸·Î, µÎ °³ÀÇ ÆÄÀÏÀ» ºñ±³ÇÏ°í ½Í´Ù¸é, ºñ±³ ÅÇÀ»¿¡ÀÖ´Â ÆÄÀÏÀ» »ç¿ëÇÕ´Ï´Ù. Load the first video using the method outlined in step #1, and then click the Select Second File button to load the second video. ù ¹øÂ° ºñµð¿À¸¦·Îµå ´Ü°è¿¡¼ »ç¿ëÇÏ´Â ¹æ¹ýÀ» ¼³¸í # 1À» ÀÔ·ÂÇÑ ´ÙÀ½ ¹öưÀ» Ŭ¸¯ÇÏ¿© ÆÄÀÏÀ» µÎ ¹øÂ°·Î ÀÐ¾î µéÀÏ ¼öÀÖ´Â µÎ ¹øÂ° µ¿¿µ»óÀ» ¼±ÅÃÇÕ´Ï´Ù. You¡¯ll be presented with a side by side comparison of the two videos, making it quite easy to determine the differences between them. ´ç½ÅÀ» ³ª¶õÈ÷ ¹ßÇ¥ µÉ µÎ °³ÀÇ ¿µ»óÀ» ºñ±³ÇϰíÀÖ¾î ÀÌµé »çÀÌÀÇ Â÷À̸¦ °áÁ¤ÇÏ´Â ¸Å¿ì °£´ÜÇÕ´Ï´Ù.

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