Video Codecs - Revision history

Behrooz at 14:10, 5 February 2020

2020-02-05T14:10:43Z

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 === General ===
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 :*30/60FPS MXWendler
 :*60Hz Monitor

Behrooz: /* MXWendler Recommendations */

2020-02-05T14:09:54Z

MXWendler Recommendations

← Older revision		Revision as of 14:09, 5 February 2020
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	*30 or 60 FPS		*30 or 60 FPS
	*External Coding		*External Coding
	*FHD(1080p), WUXGA(1200p), UHD(2160p) are the most used resolutions. Please keep in mind that the resolution of the video you are going to render should be divisible ~~per~~ 16, 8 or at least 4 to avoid problems.		*FHD(1080p), WUXGA(1200p), UHD(2160p) are the most used resolutions. Please keep in mind that the resolution of the video you are going to render should be divisible by 16, 8 or at least 4 to avoid problems.
	*Bitrate: there are multiple tutorials and online tools to calculate the perfect bitrate for different video resolutions. To give some examples for the proper bitrates for different resolutions:		*Bitrate: there are multiple tutorials and online tools to calculate the perfect bitrate for different video resolutions. To give some examples for the proper bitrates for different resolutions:
	::HD1080p (1920x1080), 24/25/30 fps → 8 Mbit/s		::HD1080p (1920x1080), 24/25/30 fps → 8 Mbit/s

Behrooz: /* MXWendler Recommendations */

2020-02-05T14:04:46Z

MXWendler Recommendations

← Older revision		Revision as of 14:04, 5 February 2020
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	=== MXWendler Recommendations ===		=== MXWendler Recommendations ===

	The Codec we recommend to use with MXWendler is:H.264:		The Codec we recommend to use with MXWendler is H.264:
	*30 or 60 FPS		*30 or 60 FPS
	*External Coding		*External Coding

Behrooz: /* MXWendler Recommendations */

2020-02-05T14:04:36Z

MXWendler Recommendations

← Older revision		Revision as of 14:04, 5 February 2020
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	=== MXWendler Recommendations ===		=== MXWendler Recommendations ===

	The Codec we recommend to use with MXWendler is:		The Codec we recommend to use with MXWendler is:H.264:
	:H.264		*30 or 60 FPS
	:*30 or 60 FPS		*External Coding
	:*External Coding		*FHD(1080p), WUXGA(1200p), UHD(2160p) are the most used resolutions. Please keep in mind that the resolution of the video you are going to render should be divisible per 16, 8 or at least 4 to avoid problems.
	:*FHD(1080p), WUXGA(1200p), UHD(2160p) are the most used resolutions. Please keep in mind that the resolution of the video you are going to render should be divisible per 16, 8 or at least 4 to avoid problems.		*Bitrate: there are multiple tutorials and online tools to calculate the perfect bitrate for different video resolutions. To give some examples for the proper bitrates for different resolutions:
	:*Bitrate: there are multiple tutorials and online tools to calculate the perfect bitrate for different video resolutions. To give some examples for the proper bitrates for different resolutions:
	::HD1080p (1920x1080), 24/25/30 fps → 8 Mbit/s		::HD1080p (1920x1080), 24/25/30 fps → 8 Mbit/s
	::HD1080p (1920x1080), 48/50/60 fps → 12Mbit/s		::HD1080p (1920x1080), 48/50/60 fps → 12Mbit/s

Behrooz: /* Framerates */

2020-02-05T14:03:09Z

Framerates

← Older revision		Revision as of 14:03, 5 February 2020
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	Today the most video output devices like monitors and video beamers have a 60Hz refresh rate following the tradition of the NTSC standard. Europeans are used to 50Hz PAL framerate, so most of the video material is produced in 25 FPS ( frames per second ). This produces the following situation:		Today the most video output devices like monitors and video beamers have a 60Hz refresh rate following the tradition of the NTSC standard. Europeans are used to 50Hz PAL framerate, so most of the video material is produced in 25 FPS ( frames per second ). This produces the following situation:
	:25FPS Video		*25FPS Video
	:25FPS MXWendler		*25FPS MXWendler
	:60Hz Monitor		*60Hz Monitor
	Since the monitor and MXWendler does not match, the monitor has to show every 5th image twice, which will look stuttering. A better solution would be to :		Since the monitor and MXWendler does not match, the monitor has to show every 5th image twice, which will look stuttering. A better solution would be to :
	*switch the monitor to 75Hz framerate,		*switch the monitor to 75Hz framerate,
	::25FPS Video		:*25FPS Video
	::25FPS MXWendler		:*25FPS MXWendler
	::75Hz Monitor		:*75Hz Monitor
	*Or switch video production to 30Hz framerate,		*Or switch video production to 30Hz framerate,
	::30/60FPS Video		:*30/60FPS Video
	::30/60FPS MXWendler		:*30/60FPS MXWendler
	::60Hz Monitor		:*60Hz Monitor

Behrooz: /* Framerates */

2020-02-05T14:01:48Z

Framerates

← Older revision		Revision as of 14:01, 5 February 2020
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	=== Framerates ===		=== Framerates ===

	Whenever framerates do not match, video playback becomes jerky and stuttering. The framerates we are ~~talking about here are~~		Whenever framerates in different involved components do not match each other, video playback becomes jerky and starts stuttering. The framerates in question are:
			*Video framerate
	:* Video framerate		*MXWendler framerate
	:* MXWendler framerate		*Monitor framerate
	:* Monitor framerate

	Today the most video output devices like monitors and video beamers have a 60Hz refresh rate following the tradition of the NTSC standard. Europeans are used to 50Hz PAL framerate, so most of the video material is produced in 25 FPS ( frames per second ). This produces the following situation:		Today the most video output devices like monitors and video beamers have a 60Hz refresh rate following the tradition of the NTSC standard. Europeans are used to 50Hz PAL framerate, so most of the video material is produced in 25 FPS ( frames per second ). This produces the following situation:
			:25FPS Video
	:* 25FPS Video		:25FPS MXWendler
	:* 25FPS MXWendler		:60Hz Monitor
	:* 60Hz Monitor		Since the monitor and MXWendler does not match, the monitor has to show every 5th image twice, which will look stuttering. A better solution would be to :
			*switch the monitor to 75Hz framerate,
	Since monitor and MXWendler does not match, the monitor has to show every 5th image twice, which will look stuttering. A better solution would be		::25FPS Video
			::25FPS MXWendler
	* ~~Switch~~ monitor to 75Hz framerate		::75Hz Monitor
	** 25FPS Video		*Or switch video production to 30Hz framerate,
	** 25FPS MXWendler		::30/60FPS Video
	** 75Hz Monitor		::30/60FPS MXWendler
			::60Hz Monitor
	* ~~Switch~~ video production to 30Hz framerate
	** 30/60FPS Video
	** 30/60FPS MXWendler
	** 60Hz Monitor

Behrooz: /* MXWendler Recommendations */

2020-02-05T13:55:00Z

MXWendler Recommendations

← Older revision		Revision as of 13:55, 5 February 2020
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	:Up to FHD (1920x1080)		:Up to FHD (1920x1080)
	:*PhotoJPEG, 75% and ALAC Audio		:*PhotoJPEG, 75% and ALAC Audio
	:FHD ~~Size~~ and beyond		:FHD size and beyond
	:*H264 Video and ALAC Audio		:*H264 Video and ALAC Audio
	:Looping footage		:Looping footage

Behrooz: /* MXWendler Recommendations */

2020-02-05T13:53:32Z

MXWendler Recommendations

← Older revision		Revision as of 13:53, 5 February 2020
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	:*External Coding		:*External Coding
	:*FHD(1080p), WUXGA(1200p), UHD(2160p) are the most used resolutions. Please keep in mind that the resolution of the video you are going to render should be divisible per 16, 8 or at least 4 to avoid problems.		:*FHD(1080p), WUXGA(1200p), UHD(2160p) are the most used resolutions. Please keep in mind that the resolution of the video you are going to render should be divisible per 16, 8 or at least 4 to avoid problems.
	:*Bitrate: there are multiple tutorials,online tools to calculate the perfect bitrate for different video resolutions. To give some examples for the proper bitrates for different resolutions:		:*Bitrate: there are multiple tutorials and online tools to calculate the perfect bitrate for different video resolutions. To give some examples for the proper bitrates for different resolutions:
	::HD1080p (1920x1080), 24/25/30 fps → 8 Mbit/s		::HD1080p (1920x1080), 24/25/30 fps → 8 Mbit/s
	::HD1080p (1920x1080), 48/50/60 fps → 12Mbit/s		::HD1080p (1920x1080), 48/50/60 fps → 12Mbit/s

Behrooz at 13:52, 5 February 2020

2020-02-05T13:52:00Z

← Older revision		Revision as of 13:52, 5 February 2020
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	'''How-tos'''		'''How-tos'''
	*[[Optimizing h.264 for 4K: reconverting clips with AVANTI GUI (Freeware)]]		*[[Optimizing h.264 for 4K: reconverting clips with AVANTI GUI (Freeware)]]


	=== General ===		=== General ===
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	The rule of thumb: more compression = more demand on the CPU = lower bandwidth		The rule of thumb: more compression = more demand on the CPU = lower bandwidth


	=== MXWendler Recommendations ===		=== MXWendler Recommendations ===

Behrooz at 13:51, 5 February 2020

2020-02-05T13:51:37Z

← Older revision		Revision as of 13:51, 5 February 2020
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	== General ==		=== General ===

	Video is increasingly used in professional event planning as a medium for information and design. This is due in part to improved processing, and ever cheaper and more powerful output devices such as video projectors and LED matrices.		Video is increasingly used in professional event planning as a medium for information and design. This is due in part to improved processing, and ever cheaper and more powerful output devices such as video projectors and LED matrices.
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	== MXWendler Recommendations ==		=== MXWendler Recommendations ===

	The Codec we recommend to use with MXWendler is:		The Codec we recommend to use with MXWendler is:
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	:*H264 Video with each frame set as a keyframe (GOP=1)		:*H264 Video with each frame set as a keyframe (GOP=1)

	== Framerates ==		=== Framerates ===

	Whenever framerates do not match, video playback becomes jerky and stuttering. The framerates we are talking about here are		Whenever framerates do not match, video playback becomes jerky and stuttering. The framerates we are talking about here are