Mpeg-2 compression for internet

I'm trying to compress my 3min. 45 sec. video using compressor, into a mpeg-2 file that has to be less than 6MB. Using quicktime conversion out of FCP5 I can get a great mpeg-4 file of that size, but my PC won't play it so I'm guessing that other people will have the same problem, when they try to view it on my webpage. Since FCP5 does not export as mpeg-2, I am having to use compressor, but I cannot figure out how to get the file size down. Even if I use the preset for internet streaming the estimated file size is 140MB, even if I turn the bitrate all the way down, the file size only gets down to about 50MB. How can I replicate the results of using the quicktime preset 'mpeg-4 > streaming medium'... but using compressor, and resulting in a mpeg-2 file?

This is very strange, I'd expect to be mpeg-4 as a dedicated file for internet delivery, or any other QT file
of the similar size.
MPEG-2 is a format for DVD delivery, not for web. No wonder you were not able to bring to file size down, because MPEG-2 is for DVD - thus the best possible quality is needed.
Consult your web master again and then export your FCP sequence (movie) by"Export" then chhose "Using QuickTime conversion".
I hope this will help.
Rista

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Export mpeg-2 movie for Internet streaming

I have QuickTime Pro 7 with the mpeg-2 playback component. My source files are in a DVD movie. I am able to play the DVD fine in Windows Media player and Real Media Player, but Quicktime is able to play only the video and there is no audio output. My objective is to convert the DVD mpeg-2 muxed videos to quicktime .mov files that are prepared for progressive playback (web streaming: fast start).
Any suggestions would be appreciated.
Thanks,
SriV

get mpeg stream clip to do the video conversion to .mov
http://www.squared5.com
Then use quicktime pro to ready the video for internet
Good Luck
Bruce

MPEG Streamclip compression for iMovie HD

I am wanting to edit my DVD home movies in iMovie HD. I make a new image (.dmg) in Disk utility & export as QT movie with MPEG Streamclip. The compression selection is where I am confused. Some discussion suggestions have been to use DV/DVC Pro & others have been to use H.264.
Anyone help clear this up for me?

If you're using iMovie HD, then I think many long time contributors on the iMovie Discussion Group would suggest DV/DVC Pro as it preserves as much of the original data coming from the DVD as possible. Image quality will be way less affected due to the much lower level of compression performed on the video. I think you'll notice a big difference choosing DV/DVC Pro over H.264
However also be aware that DV/DVC Pro will occupy 12-13GBytes of disk space per hour of video you convert. H.264 will be a smaller file size, but that is only due to the extreme level of compression applied to the video.

Compressing HD 720i for Internet Streaming

I need both 300k and LAN speed compression for a series of HD720i videos in both QT and WMV formats. I'm sure this has been discussed, could someone point me to the best settings for this? I do have Flip for Mac studio. In my trails so far I've been using The QT7 Streaming settings more or less and then converting this to WMV. The average length of each video is 10 minutes, and my target file size has been 15-20Mb for the small version and 30-50Mb for the larger.
It seems like to get the files this small I need to go to SD first and then compress again for web. This feels wrong, but I don't have any lucky getting it small in 1 step.
Are these reasonable spec's or am I way off in either direction? Any guidance is much appreciated.
[While most of these videos are talking head, some have motion graphics that I really need the text to be pristine, regardless of size.]

Hi J,
A ten minutes HD 720 movie reduced to a 15-20 MB will inevitably show some serious compression.
However, you do have settings in Compressor that can allow you to reduce the file size as much. You will have to do some tests and adjust settings in the inspector window according to your needs (i.e. reduce frame size).
The QT 7 settings are an option indeed, H.264 300K gives 5 to 6 MB every 3 and a half minutes H.264 LAN will look better. Again the best answer comes from tests. Encoding 10 minutes will take little time.
Do some tests but do use the original material as converting it into SD format may add compression steps to the process.
G.

Corrections for Internet

I'm curious how other color correct for Internet. I'm using Color with an 23" Apple HD Cinema display. I get great results with my machine; however, playback on, say, a Dell 17" LCD monitor is washed out.
Should correct on the monitor of my target audience? If I darken the footage for the Dell will it appear too dark on Apple displays? What do others do?
Also... I shoot a lot of DV footage and notice increased noise with heavy color corrections. Any advice for removing said noise?

Zebulun wrote:
I'm curious how other color correct for Internet. I'm using Color with an 23" Apple HD Cinema display. I get great results with my machine; however, playback on, say, a Dell 17" LCD monitor is washed out.
Should correct on the monitor of my target audience? If I darken the footage for the Dell will it appear too dark on Apple displays? What do others do?
How will you determine the monitoring of your target audience? Who is that audience?
Using Google Analytics, we can see which platform our user normally views our website with. We can also see the most common screen resolution. I realize we can't determin the exact monitor they use but platform and screen size is a good start.
Also... I shoot a lot of DV footage and notice increased noise with heavy color corrections. Any advice for removing said noise?
Don't shoot DV25? Seriously, the only video more highly compressed than DV25 is hdv. Some have said they get good results with Nattress noise reduction and quite honestly, I've cleaned up some horrendously noisy DV in FCP with the Motion Blur filter but be reasonable, DV25 is the bottom of the digital barrel.
What codec/size would you recommend I shoot with. I have an HVX200 with FS-100 FireStore so I can probably shoot in another format.

Video compression for iPad?

We use Final Cut Pro 7 - and frequently compress our HD videos we make using Compressor. We use high end HD cameras, etc., and have beautiful results when compressing at, say 20 - 30mbs for display on HD monitors and televisions. We know how to compress for iPod and Apple TV, and various web sizes . . . but what parameters should we be using for the iPad?
I've read it plays up to 2.5mbs??
I hope I'm WRONG, because with fast moving subjects, you'll see a lot of pixelation at that low data rate.
I looked in the Compressor templates, but don't see one for iPad. Anyone know what settings we should be using? Or what's the highest data rate an iPad will play?
Thanks,
Larry

Here's what the specs say is supported:
H.264 video up to 720p, 30 frames per second, Main Profile level 3.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats
MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file format
Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
My unit hasn't arrived yet for me to do any testing.

BEST SETTINGS FOR INTERNET STREAMING?

I have been trying for days to make a video of a very specific size (580x326) work with internet streaming. Im exporting with quicktime, however i cant seem to post under quicktime, so im posting here as i have final cut pro as well.
Please tell me the best setting to export a video for internet streaming (preferably through quicktime 7).
which settings, framerate, kbits/sec stuff like that.
the current video is at http://www.nveiltv.com/

You do understand that "personal opinion" about compression settings massively depend on the type of footage you are dealing with, delivery target, length, desired output file size, client standard and demand and so on.
However, sounds like you want to get a suggestion to get started... start from here:
frame rate:current
bit rate: 1650k/bits
frame size: 720x405 (yes, a bit bigger and better)
audio: ACC 44.100
target bit rate: 128 kbps
Prepare for Internet Streaming: Fast Start
Set an IN and OUT point to select a portion of you project (this works in both FCP and Compressor) and compress that portion to check out result. Remember:
the higher the video bit rate the better the video should look but the bigger the file size gets.
Ultimately trust your eyes and ears.

Exporting an Apple ProRes before compressing for SD-DVD or Blu-ray (or AVCH

Hello,
this is my question:
does exporting a sequence to an Apple ProRes Self Contained file helps to gain quality when compressing for SD-DVD or Blu-ray (or AVCH disc)?

Thanks for answering, Tom.
Let me try again, though. (Also, just thinking about the footage, forgetting about effects, titles, etc.)
Do you think that this applies to DV-NTSC and HDV sequences?
I've compared a DV-NTSC sequence exported out using:
DV-NTSC compression and one -using Apple ProRes.
They do look different. Wouldn't you agree to this?
What about HDV,
- is it erroneous to think that (when capturing) by transcoding to AIC or ProRes you are gaining some quality?
- or if you already capture HDV natively, it doesn't make a difference to export an ApplePro Res version to make a SD-DVD from?
I am concerned with this, because I shot once some HDV footage at night with a Sony Camera, going to a hard drive, and when I transcoded the files from the hard drive to use in FCP, (using MPEG streamclip) I noticed a relevant difference in how much the noise was noticeable on the HDV compressed files vs. the apple ProRes compressed files.
Have you ever seen these differences?
Thanks!!!

MPEG-2 compression confusion?

I have mastered a short film on the HD Format D5, and now wish to make DVD's of the film, which is 19 minutes long. I'm taking delivery of a new Mac Pro dual 3gig next week, fully loaded with Final Cut Studio - can't wait!
I'm guessing that the quality of encoding will be better if I have the editing house do the work, rather than importing it into Final Cut Pro, compressing the image to 25meg in the process, then exporting it again to DVD Studio Pro?
So if I were to give the editing house MPEG 2 specs for encoding, what would they be? Do I want square or non-square pixels? (original content is HD NTSC 1920x1080 - it's a 24P project) What field dominance do I choose, and what other specs do I need to make sure they have? Also, what kind of audio file format will DVDSP import to synch with the MPEG-2 video? Will AIFF work? Are there any pitfalls to starting off with separate video and audio assets like this as opposed to an uncompressed quicktime file, for example?
Any help would be greatly appreciated - thanks!

If this were my project I would do the following.
1st Hardware encoding is always better then software. Final Cut or Compressor can only pass 2 times with a Variable bit rate. Hardware encoders can pass multiple times.
2nd these are the specs I would have the Authoring house shot for but I have not seen your project and motion is a huge influence on bit rates. So I would trust their judgment, they do it a living.
Video system: NTSC
Non-Drop Frame
Do not square the pixels
Aspect Ratio 16:9
Field Order: Auto
Variable bit rate
Target Bitrate: 6.4 Mbps
Max Bitrate: 6.7
Motion Estimation: Best they have
Audio needs to be encoded to AC3 and the audio file should match the name of the video file.
Hope this helps….
Ryan-

No Audio? On MPEG-2 encodes for SD DVD

Help. I'm new to Compressor.
I'm trying to encode an MPEG-2 Elementary Stream for SD DVD production. According to the documentation DVD Studio Pro will only work with the elementary streams but it also states "that no audio is provided in this stream". So how am I supposed to encode to MPEG-2 (supported by DVD Studio Pro) and get my audio to go along with it?
Am I missing something obvious? Here are the details:
Source - 1080i60 HD .Mov file
Encode - MPEG-2 16x9 elementary stream.
Video comes out fine, just no audio to be found anywhere?
Thanks.

Correct. When you bring your source file into Compressor you need to create two settings. One setting for your MPEG-2, another for your Dolby Stereo .ac3 file. This will output two separate files, one video and the other audio. You then bring those files into DVD SP for authoring.
However do not use the default Dolby 2.0 setting. Start with that but change the dialog normalization to -31 and the Preprocessing Compression Preset to None.

Question Regarding Audio in MPEG-2 Compression

Hi,
I have recently been on holiday and wish to compress some stock footage which is taking up ridiculous amounts of space on my Mac. Not only will it be saving me precious HDD space, but I wish to put it on DVD at a later date too and know that MPEG 2 is the standard for SD DVDs.
My problem is with the audio when compressing for MPEG-2. I Understand that both have to be compressed separately so I'm converting the video with a dolby soundtrack, but how do I join them again?
Alternatively, theres the option of checking a box so the audio is multiplexed however the end result always seems to be a file thats unreadable by all applications on my Mac (All software is up to date and I own the entire FCP studio)?
It's a slightly 'Noobish' question I guess, and I'm thinking I'm in the wrong section altogether now oops and maybe I should be looking up how to use DVD Studio Pro?
But any help/ Guidance would be great for an amateur like myself who's just starting out with trying to get his head around the Pro Suites.
Thanks in Advance.

Hi:
My problem is with the audio when compressing for MPEG-2. I Understand that both have to be compressed separately so I'm converting the video with a dolby soundtrack, but how do I join them again?
You don't need to join them again ! You must import both audio and video files in DVDSP and place them in the same track.
You must choose the right DVD enoding preset depending on your footage lenght in minutes and encode your video as MPEG2 and your audio to Dolby 2 (AC3). Giving both files same name (i.e. movie1.mpg & movie1.ac3) will help you to organize your assets in DVDSP.
Visit the DVDSP forum and use the Search feature. You'll find a lot of good info in previous posts.
Hope that helps !
Alberto

Animation compression for DVD

I have a square pixel after effects project which is around 10gb rendered at DV Pal square pixels and animation. I wish to present this with a laptop & projector. When compressing the file through basic DV Pal settings it looses much of the quality.
Is there a compression for putting animations onto DVD's with a sqaure pixel ratio that doesn't stretch the pixels for DVD - or am I being really daft here!! Is it possible for DVD's to play square pixels??
Many thanks

I have a square pixel after effects project which is
around 10gb rendered at DV Pal square pixels and
animation. I wish to present this with a laptop &
projector.
If you're going to have a laptop anyway, why not just install QuickTime (if it isn't already installed) and just play the file directly. That way, you're not losing anything quality-wise.
DVD makes no provision (that I'm aware of) for displaying non-standard frame types and MPEG-2 is your only compression option.
-David

Compressing for Idvd

Can someone tell me what I need to do so I can use a completed compressor file in iDVD. I don't have DVD studio pro, so it's not an option for me at this point.
My project is a very short three minute video and I just need basic MPEG-2 compression - Nothing fancy.
Any Ideas?

Hmmm,
OK - I was able to use compressor to create a format that I used with iDVD back in november but can't seem to remember what I did. Basically, all I'm trying to do is get a high enough quality file. Something akin to a MPEG-2 (movie quality) file for my project (if that makes sense).
Again nothing overly complicated - actually rather simple in comparison to some projects out there. I'm just trying to figure out the proper workflow.
Thanks

Compressing for Itouch

Hi all,
I have a 1280x540 square pixel video I need to convert to play back on an Itouch and was wondering a couple of things:
1> I know the Itouch has a 480x320 screen but I don't know if it is square pixels or non-square. The aspect ratio suggests non-square.
2> If I am compressing for that screen size, do I need to letterbox my video first before compressing it or will it display my 2.21:1 aspect ratio video like a regular computer would?
3> I have heard the maximum bit rate is around 1500kbps, is this true?
Thanks in advance.

Hey Russell,
These are the supported video formats from the Apple web site.
+"H.264 video, up to 1.5 Mbps, 640 by 480 pixels, 30 frames per second, Low-Complexity version of the H.264 Baseline Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; H.264 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Baseline Profile up to Level 3.0 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats"+
http://www.apple.com/ipodtouch/specs.html
Jason

Youtube compression for iphones

sequence was 6 min long. 1080p 23.98 prores. youtube preferred h.264 so i compressed using that codec. reduced size to 1280x720p maintaining frame rate. data rate was set to 5000kbs (max recommended by youtube for 720p video). key frames set to automatic w/ frame reordering checked. took a long time to transcode and ultimately got a reasonable sized file of 350 mb. uploaded fine to youtube and looks great on computers however have got variable reports about the quality on iphones (i realize diff phones & service) ranging from digital distortion w/ digital squares to noisy & blurry. i've also got reports from folks who say it's looks great. just wondering if there's anything i can do differenty to make everyone happy. if it matters i'm on compressor 3. thanks.

Youtube needs the "fast start" enabled.
Click Options and make the following changes to Video settings:
Compression Type: H.264
Frame Rate: 30 is preferred. 23.98, 24, 25, 29.97 are also acceptable.
Data Rate: Automatic
Key Frames: Automatic
Frame Reordering: Unchecked
Make the following changes to Audio or Sound settings:
Format: AAC
Click Show advanced settings and choose Constant Bit Rate as encoding strategy.
Select Size and choose the original size of the video.
The section Prepare for Internet Streaming must be set to Fast Start.
Make sure you turn off frame reoroding!
http://support.google.com/youtube/bin/static.py?hl=en&topic=1728570&guide=172858 5&page=guide.cs

Mpeg-2 compression for internet

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