Compressing HD something wrong!!
I'm as frustrated as can be! I'm taking a 1hour 20 Minute HD video edited in Final Cut 6.05 > exported as a Quicktime file "current settings" > and brought into Compressor. Splitting the video into 2 parts, it still takes OVER A DAY to compress and doesn't finish! I have to be able to export this into DVD studio pro for dual layer HD copies. PLEASE HELP! i'm completely stuck and need to start working on this..
MY computer:
mac book pro
2GB ram
Mac OS X 10.4.11
Compressor 3.0.5
saving to external 1TB G-drive
Settings i'm using in Compressor
Name: Untitled H.264 for DVD Studio Pro
Description: No description
File Extension: mov
Estimated file size: 3.72 GB/hour of source
DVD type: HD DVD
Partial sync: 0.5 seconds
Frame sync rate: 2 seconds
Field dominance: Progressive
Video Encoder
Format: QT
Width and Height: Automatic
Pixel aspect ratio: Default
Crop: None
Padding: None
Frame rate: (100% of source)
Frame Controls: Automatically selected: Off
Codec Type: H.264
Multi-pass: On, frame reorder: On
Pixel depth: 24
Spatial quality: 50
Min. Spatial quality: 50
Temporal quality: 50
Min. temporal quality: 50
Average data rate: 7.34 (Mbps)
Maximum data rate: 23 (Mbps)
Audio Encoder
16-bit Integer (Big Endian), Stereo (L R), 48.000 kHz
iTunes Store: Invalid, inactive, or illegible codes
Similar Messages
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Is de-interlaced always worse than interlaced watching on TV ? Or do I do something wrong ?
I am working with FCP X, using interlaced material (1080i) shot with a Panasonic TM900 Cam.
So the original footage is AVCHD 17Mbps.
Typically I apply the following workflow to export the film:
- Export from FCP X timeline without any conversion as master-file (i.e. ProRes 422)
- Process through Compressor 4 to h.264 Quicktime movie with average bitrate of 20Mbps keeping the orginal resolution and framerate (25 fps, 1080 res)
a) with all frame controls switched off -> results in a 1080i movie
b) with frame controls switched on for de-interlacing, using "better" or "best" filter and Output fields "progressive" -> 1080p movie
In case a), when watching the film on the media player of a Samsung LCD TV the output quality is extremely good and has no visible difference to the original AVCHD file (that I watch by plugging the camera via HDMI to the TV)
But: in case b) all scenes with fast movements are much worse in quality (played with the same media palyer as well as when playing with Apple TV3). Moving objects are no more sharp and there are "block artefacts" around fast moving objects. Same appears for scenes with fast zoom. Quality is really visibly worse compared to the original AVCHD.
The effect does not change when I use "best" filter settings.
I am now wondering:
Is a de-interlaced 1080p film "per defintion" worse in quality compared to the 1080i film, when being watched on a TV ?
For me this sounds strange, as I understood that at the end also my Samsung TV does some kind of "on-the-fly" deinterlacing, as the LCD screen is of course progressive.
Or do I do something wrong ?
Happy for any advice and help !You sure that the original footage was shot interlaced? The information I found on the camera is that it shoots progressive.
Hard to generalize about what looks better – interlaced or progressive – except that interlaced can look pretty dodgy with computer play-back. Otherwise, much depends on the material that was shot.
Bear in mind that de-interlacing per se throws away half the information. Frame Controls tries to compensate for that loss. Going from Pro Res to h,264 is a major compression step by itself; adding more filters in our attempts to improve results also can increase the possibilities for errors. Maybe that's what happened here.
Russ -
In OS X Mavericks using Safari, the search bar at the top that i had on the previous system version disappears only reappearing in the full screen. Do i have to go into full screen every time? Bit of a pain but no doubt I'm doing something wrong!
Those are all fine
Here is how to see RAM overloaded…
Reboot to see the system in it's default state.
Open TextEdit for the sake of it
Open Activity Monitor & Terminal from /Applications/Utilities.
Select the Memory tab
In Terminal enter the following command
memory_pressure -l critical
# note that is a lowercase L
RAM usage will climb, compression will begin the VM will become way more than the system has installed.
Eventually the system will start swapping (look for RED) - Watch the 'memory pressure' & 'Swap used' as this happens.
Try switching to TextEdit - the system is still coping !
Switch back to Terminal & hit ctrl+c to stop the process.
Watch the VM & memory pressure return to normal levels.
This OS kicks 4ss !
Your problems may lie elsewhere -
2,900 songs, 23GB?? false advertising, or I'm doing something wrong here...
Complete novice here. Just bought Ipod touch 16gb then upgraded to the 32 GB because I got about halfway through loading my CDs into iTunes when I noticed the GB showing in iTunes was exceeding the 16 GB Ipod... 16gb was advertised to hold ~3,500 songs along with hours and hours of video. So now I am up to 2,900 songs and it's 23GB - there's got to be something wrong here. If I go further, I won't be able to fit onto the new 32GB, nevermind even being able to put video, etc on it!! Talked to a guy at Best Buy and he was perplexed and felt that 2,000 songs should only be about 8GB..
From spending hours on these boards looking for info, it appears that my import settings that were the default in iTunes (that I downloaded on 3/26/09) of AAC format and iTunes Plus, results in large file sizes....
I have literally spent DAYS importing CDs and really don't want to redo it under different import settings... I noticed when I right click on my Itunes music folder>properties>general tab > click on advanced attributes, there is a checkbox that I can compress contents to save disk space.
So question is
1. is the above method appropriate to compress the files
2. is there an easier way to 'convert' all my imported music (currently showing as MP4) to MP3 that would be smaller file size (if so, is there a downside to doing this?)
3. could there be other reasons for this large file size or other ideas/suggestions??
Thanks in advance!
TaraHey, now. This line scares me:
"I guess I'll learn more over time about what material I want to carry around with me on the iPod vs. keeping stuff on the computer as I get used to it!"
You should always keep it on the computer. If the only copy of a song is on your iPod, you are setting yourself up for a minor disaster. Sooner or later you will need to restore the iPod. There are any number of issues that can cause it to get wonky and unusable. When that happens, the troubleshooting always has the step "restore your iPod" somewhere in the order of repair.
When you reach that step, *everything on the iPod is erased*. If you only had content on the iPod, not on your computer (or at least on a backup) you will lose the content. Period. No chance to recover it.
Please, if you insist on deleting from the computer, ensure you backup. Heck, backup anyhow. It just makes good sense. -
Dear Forum,
I realise this isn’t necessarily your problem, buy I’m having trouble converting my RAW files to jpegs.
Even though my RAW files are 90MB plus, the jpegs when converted are only around 6MB.
Am I doing something wrong?
Thanks,
AHHi Barbara, thanks for replying to my post.
No there's nothing wrong with the Jpegs, but I want to srart uploading images for sale in Alamy, but they say they must be a minimum of 17mb un compressed. Does that mean that at 6mb compressed from 90mb they'd be acceptable?
thanks,
alex -
DVD's don't always play...am I doing something wrong?
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ok, i'm looking at compressor and don't see the audio format that has been talked about to use. The one that has been used is under the MPEG-2 120 Min high quality encode. The following is a copy and paste of the summary for each preset.
Video Preset:
Name: MPEG-2 120min High Quality Encode
Description: 3.5Mbps,2-Pass VBR,4:3
File Extension: m2v
Video Encoder
Format: M2V
Width and Height: Automatic
Pixel aspect ratio: default
Crop: None
Frame rate: (100% of source)
Aspect ratio: 4:3
Field dominance: Auto detect
Average data rate: 3.5 (Mbps)
2 Pass VBR enabled
Maximum data rate: 7.5 (Mbps)
High quality
Best motion estimation
Closed GOP Size: 1/2 second, Structure: IBBP
DVD Studio Pro meta-data enabled
Audio Preset:
Name: DVD PCM Audio
Description: AIFF 48Khz,16bit,Stereo
File Extension: aiff
Audio Encoder
Format: QT
Sample Rate: 48.000kHz
Channels: 2
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Codec Type: Uncompressed
I looked under the different compression settings and it says the encoder is AIFF, but under the settings for it, it doesn't list AC3. My Compressor version is 1.2.1
Also, how does all the settings look for the video...see any prolems that would explain the low end players messing up?
Thanks again for the help...its appreciated! -
when i contol click on the downloads icon in the dock i get the gris view . I thought if you control click, you are able to change the view to fan or list. am I doing something wrong.? Icheck to make sure the contol key is working by doing a screenshot and it works there. What am I doing wrong?
Needs to be a Stack ?
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When trying to view some youtube videos; a window would pop up saying "it needs adobe flash player is required for video play back get the latest flash player" but after downloading the file and during installation would have errors and will not installed.....tried to reboot and install again.....but still the same.
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<Edited By Host>The "restore disk" is built into the Mac. See About Recovery.
Need more specifics about what error messages you got while installing Adobe Flash.
However, you can almost avoid Flash altogether by setting YouTube to play the HTML5 version instead.
Click the Try something new! link at the bottom of the YouTube page.
I don't know about the sound issue. Might be hardware as you think. Try other headphones to check. -
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