File sizes and bit rate slider

Hi,
I'm having two issues I'm hoping someone can help me with..
1) My file sizes are much bigger than they're apparently supposed to be. A 10 second clip at 720x576 takes up 32 MB. I've tried both quicktime h.264 and various avi codecs with roughly the same results. A larger 3 minute clip takes up over 500 MB. This is at 100% quality setting. I was told that they shouldn't take up more than 10% of that size so I'm not sure what's going on..
2) In order to solve it I've been told to use quicktime h.264 and adjust the bit rate slider to specific values, but PE7 won't give me that option, I can only move the quality slider. Setting that to a low value gives me extremely poor quality video. Using Sorenson codec allows me to set a bit rate, but at the recommended 1800 k/s I still end up with 22 MB for 10 seconds.
These videos were made through stills and transitions.. When I make similar stuff with windows movie maker the files are much smaller so something weird is going on for sure.
Hopefully I'm making a really obvious error that is easy to point out :D

This is for web use, but mind you there are plenty of sites that offer hd video so it's not a particularly high resolution..
I just don't understand why these files are so big considering the maths.
I've had 1800 kbit/s recommended as a decent compression level for web use. That's 225 kbyte/s or roughly 2.5 MB for 10 seconds. Yet as described above the files are 10 times that size. I don't understand why this is when I actually used this exact compression level.
Further, I was only able to specify bitrate compression with the Sorenson codec, not h.264, which is the one I actually want to use (and which I've been told should have adjustable bitrate in PE7 making me doubly confused..)

Similar Messages

Itunes plays purchased HD videos fine, but constantly stalls while trying to play home created videos converted to the same file format and bit rate?

Itunes plays purchased HD videos fine, but constantly stalls while trying to play home created videos converted to the same file format and bit rate.
System specs
Win 7pro x64
ATI 5830
Phenom x6 1055t
8gigs ram
1tb 7200rpm sata hdd
500 gig 5400 rpm sata hdd

Itunes plays purchased HD videos fine, but constantly stalls while trying to play home created videos converted to the same file format and bit rate.
System specs
Win 7pro x64
ATI 5830
Phenom x6 1055t
8gigs ram
1tb 7200rpm sata hdd
500 gig 5400 rpm sata hdd

What are the best data and bit rate setting for uploading from final cut express to Youtube?

Can anyone suggest the best data rate and bit rate presets for uploading footage from final cut express 4 to Youtube? What settings will provide the best resolution, quality, and match the current youtube requirements?
Thank you in advance for your help,
Susan Kayne

It depends on whether you are using aspect ratios of 4:3 or 16:9.
Below is some simple guidance that will provide good quality with reasonably small file sizes.
The first part is for 4:3 video:-
1. File>Export Using QT Conversion.
2. The "Format" window should say, "QT Movie".
3. In "Use" select "LAN/Intranet" from the dropdown menu.
4. Click "Save" and when it has finished encoding, upload it to YouTube.
If you are making 16:9 video (Standard or High Definition) do steps 1 to 3 above.
Then when you have selected "LAN/Intranet" press the "Options" button and in the new
window that opens press the "Size" button and change the "640x480" to "853x480"
To do this you will have to click on the 640x480 and a dropdown menu appears.
Select "Custom" from the bottom of the menu and in the window that opens
you will see 2 boxes.
Put 853 in the first box and 480 in the second.
Click OK.
Then Save it.

Bit Depth and Bit Rate

I have a pre recorded mp3 VO. I placed it into a track bed in GB. Clients wants a compressed audio file with bit depth: 16 bit and bitrate: 128kps max, but recommends 96kbps. If I need to adjust the bit depth and bite rate, can I do it in GB? and if so, where? Thanks for any help.

Please be aware that Bit Depth and Bit Rate are two completely different things!
They belong to a group of buzz words that belong to Digital Audio and that is the field we are dealing with when using GarageBand or any other DAW. Some of those terms pop up even in iTunes.
Digital Audio
To better understand what they are and what they mean, here is a little background information.
Whenever dealing with Digital Audio, you have to be aware of two steps, that convert an analog audio signal into a digital audio signal. These magic black boxes are called ADC (Analog Digital Converter) and “on the way back”, DAC (Digital Analog Converter).
Step One: Sampling
The analog audio (in the form of an electric signal like from an electric guitar) is represented by a waveform. The electric signal (voltage) changes up and down in a specific form that represents the “sound” of the audio signal. While the audio signal is “playing”, the converter measure the voltage every now and then. These are like “snapshots” or samples, taken at a specific time. These specific time intervals are determined by a “Rate”, it tells you how often per seconds something happens. The unit is Hertz [Hz] defined as “how often per seconds” or “1/s”. A Sample Rate of 48kHz means that the converter takes 48,000 Samples per second.
Step Two: Quantize (or digitize)
All these Samples are still analog, for example, 1.6Volt, -0.3Volt, etc. But this analog value now has to be converted into a digital form of 1s and 0s.This is done similar to quantizing a note in GarageBand. The value (i.e. the note) cannot have any position, it has to be placed on a grid with specific values (i.e. 1/16 notes). The converter does a similar thing. It provides a grid of available numbers that the original measured Sample has to be rounded to (like when a note get shifted in GarageBand by the quantize command). This grid, the amount of available numbers, is called the Bit Depth. Other terms like Resolution or Sample Size are also used. A Bit Depth of 16bit allows for 65,535 possible values.
So the two parameters that describe the quality of an Digital Audio Signal are the Sample Rate (“how often”) and the Bit Depth (“how fine of a resolution”). The very simplified rule of thumb is, the higher the Sample Rate, the higher the possible frequency, and the higher the Bit Depth, the higher the possible dynamic.
Uncompressed Digital Audio vs. Compressed Digital Audio
So far I haven’t mentioned the “Bit Rate” yet. There is a simple formula that describes the Bit Rate as the product of Sampel Rate and Bit Depth: Sample Rate * Bit Depth = Bit Rate. However, Bit Depth and how it is used (and often misused and misunderstood) has to do with Compressed Digital Audio.
Compressed Digital Audio
First of all, this has nothing to do with a compressor plugin that you use in GarageBand. When talking about compressed digital audio, we talk about data compression. This is a special form how to encode data to make the size of the data set smaller. This is the fascinating field of “perceptual coding” that uses psychoacoustic models to achieve that data compression. Some smart scientists found out that you can throw away some data in a digital audio signal and you wouldn’t even notice it, the audio would still sound the same (or almost the same). This is similar to a movie set. If you shoot a scene on a street, then you only need the facade of the buildings and not necessary the whole building.
Although the Sample Rate is also a parameter of uncompressed digital audio, the Bit Depth is not. Instead, here is the Bit Rate used. The Bit Rate tells the encoder the maximum amount of bits it can produce per second. This determines how much data it has to throw away in order to stay inside that limit. An mp3 file (which is a compressed audio format) with a Bit Rate of 128kbit/s delivers a decent audio quality. Raising the Bit Rate to 256bit/s would increase the sound quality. AAC (which is technically an mp4 format) uses a better encoding algorithm. If this encoder is set to 128kbit/s, it produces a better audio quality because it is smarter to know which bits to throw away and which one to keep.
Conclusion
Whenever you are dealing with uncompressed audio (aiff, wav), the two quality parameters are Sample Rate [kHz] and Bit Depth [bit] (aka Resolution, aka Bit Size)
Whenever you are dealing with compressed audio (mp3, AAC), the two quality parameters are Sample Rate [kHz] and Bit Rate [kbit/s]
If you look at the Export Dialog Window in GarageBand, you can see that the Quality popup menu is different for mp3/AAC and AIFF. Hopefully you will now understand why.
Hope that helps
Edgar Rothermich
http://DingDingMusic.com/Manuals/
'I may receive some form of compensation, financial or otherwise, from my recommendation or link.'

I need to export a photo at around 1meg file size,and dont seem to be able to do it in the presets can anyone help please ,I shoot on a canon 5d

I need to export a photo at around 1meg file size,and dont seem to be able to do it in the presets can anyone help please ,I shoot on a canon 5d

I believe Frank is referring to the end use (e.g., for print or on-screen use).
Until he returns, I can tell you that I ran a quick test using an image from the Aperture 3 training book library which was as follows:
Camera = Canon EOS 5D Mark II
Master resolution = 5616 x 3744 (21 MP)
I was able to export to a JPEG with end file size of 1 MB as follows:
Export Presets drop-down > select 'Edit' option
Selected preset name 'JPEG - 50% of Original Size' > change percentage value to 40% > change DPI value to '300' > click OK to set as current default > Export version to desktop.
The exported JPEG has a resolution of 2246 x 1498 and appears on screen to have the same image quality of the original in Aperture.
Note - I did not change the default Image Quality slider in the Export Preset dialog (which left it at 10).
Basically, you will need to play around with the settings until you find the appropriate values to arrive at an image version you want.

Two step import, downsizing image file sizes and/or keeping copies?

hi all,
leonie was kind enough on another thread to suggest a two step import from the iphone in order to make sure that there is no accidental deletion or data loss. my understanding (i'm repeating it here myself in case i am misunderstanding) is that this routine involves 1. importing images into Aperture via the conventional import method and then 2. backing up to iTunes (to save the images) and 3. verifying (visually i think) that the images are in the Aperture database and then if so allow Aperture to delete all the images from the iPhone.
this seems to make sense to me but i realized i had a couple of questions about general "photo hygiene" related to this kind of thing.
1. is there some way to downsize file size after images are imported into Aperture? i take a ton of photos and only some are important to keep at a high resolution and i feel like i am stuck between having a huge Aperture database cluttered with lots of photos at high resolution /or/ turning down the file size and finding that i have an important image that is at a low resolution because i forgot to turn up the file size (i think these are in settings somewhere in my phone) before i took the photo or only realized later that it was important to have this image at higher resolution. if i could downsize while thinking about it in Aperture this seems like it would work.
2. does anyone keep an external copy of their images outside of the Aperture database?
thanks

hi terence,
thank you.
so can i ask if anyone is using an iphone and/or what setting(s) and/or resolution folks are using?
i guess i have a bit of a dilemma in that i take a ton of photos and i only use one at a high resolution while the others can be something as insignificant as a visual note to myself. and it kind of kills me that these could be 1.2 MB in that i have a lot of them. i sort of wish there was a way to downsample imagery since a lot of these are not so important.
anyway. yeah i guess i was wondering if folks do a referenced library or keep an extra copy as a backup (i guess i am 'embedding' images in the library but i forget what i call this in aperture) - and i have started to wonder if there is some utility to doing a referenced library or keeping a backup but this seems like overkill while at the same time a referenced library would allow me the ability to downsample images from what i can tell but i am just guessing here since i haven't tried this method.
thanks.

Common video dimensions and bit rates for dynamic streaming?

I'm going to be converting my videos to flv and am trying to decide what to use for video dimensions and bit rates. Some of my users have slow computers and connections so I'm thinking 150 on the low end.
Is there a common practice? What has worked well for you in the past?

Hello MrWizzer
I am not sure what FMS version you are currently using.
Well, if you look at the sampe vod folder that ships with FMS4.5, it has files encoded @ 150kbps, 500 kbps, 700 kbps, 1000 kbps, 1500 kbps.
I am sure that all of these files stream perfectly fine given the correct bandwidth environment.
Its totally depend upon the FMS hosting service provider depending upon the user base of a particular provider.
You need to judge what kind of BW is available to your viewers and put the files encoded at appropriate bitrates.
You may also look at http://www.adobe.com/devnet/flashmediaserver/articles/beginning-fms45-pt06.html for refrences.
Regards,
Shiraz Anwar

Logging software - shrinking file size and keeping timecode

I recently found and downloaded the trial version of InqScribe Transcription Software (http://www.inqscribe.com/index.html).
It seems pretty neat. You can open up and video file in the program and it read the timecode from the file and inserts it into transcript as your typing. It says it can open ANY type of video that Quicktime can view.
Here's my dilemma - I want my clients and producer to use this program to log footage on their PCs out and about. I"m shooting with the Sony NX5 and transcoding to Pro Res LT. Obviously these files are HUGE.
I'd like to find a way that I can shrink the file sizes and keep the original timecode. I thought h.264 would be best. I can also shrink the resolution from 1920x1080 down to something much smaller.
I'm looking for an end product that is compatible with PCs and Macs, around 500mbs or less, and has the original TC.

Resize to 480x270. The data rate before compression will be 1/16 of the 1920x 1080 image. Add H.264 Quicktime compression and you'll have a small file. Verify with the company that it can read h.264 files.
When you do the conversion use Compressor and turn off Frame Controls when you do the resizing.The encoding will go much faster.
x

When round tripping with photoshop cc, i get a saved psd file with my original raw,the problem is these are high file sizes and taking a lot of space,can i stop this?

when round tripping with photoshop cc, i get a saved psd file with my original raw,the problem is these are high file sizes and taking a lot of space,can i stop this?

That's not the workflow that I use. I have my Lightroom preferences set to create TIF images when going to Photoshop. I keep the original raw file and the TIF image (usually reduced to an 8-bit image) and only export JPEG's when they are needed to send to a lab or to send to someone over the Internet. JPEG files are highly compressed. I only create them when they are needed, and they are discarded as soon as they have been used for their intended purpose. I keep the raw file and the Photoshop-created TIF in my library. This requires extra disk space. But I always have the highest quality files available.

How to resolve audio sampling and bit rate differences before sound mix

I'm editing a project where an additional recorder (Zoom H4n) was used and synched to the camcorder track with Plural Eyes. Some of the sampling and bit rates don't match within the Plural Eyes synchronized clips and I need to send this out for a sound mix. Could I use Compressor to transcode the audio? Would I have to go back to my original separate tracks, transcode in Compressor and then re-synch using Plural Eyes? Next time ProRes from the beginning -
but if there's an easier fix for my current problem it would be much appreciated.

Thanks Michael -- you've helped me with the project before (back in May of this year).
I started this project as a newby back in 2010 and was a bit overwhelmed (i.e. just happy to get everything into FCP and be able to edit.)
I'll try the media manage solution, but if that doesn't work I think I'll live with the one-frame drift. I'm assuming
the only other alternative would be to go back to all the original video and audio files; transcode using Compressor, and then re-synch with Plural Eyes and go back in to match up the edits?
Thanks to your continuing help, I should know how to set things up correctly from the get go for the next one!

Get Total DB size , Total DB free space , Total Data & Log File Sizes and Total Data & Log File free Sizes from a list of server

how to get SQL server Total DB size , Total DB free space , Total Data & Log File Sizes and Total Data & Log File free Sizes from a list of server

Hi Shivanq,
To get a list of databases, their sizes and the space available in each on the local SQL instance.
dir SQLSERVER:\SQL\localhost\default\databases | Select Name, Size, SpaceAvailable | ft -auto
This article is also helpful for you to get DB and Log File size information:
Checking Database Space With PowerShell
I hope this helps.

Urgent:Comparing file size and file hashcode

Hi i am developing an EJB in which I have to dynamically pick the filename,filesize and hashcode of the file.
In case filename exists then it should check for file size and hashcode of the file. if both of these are equal then the processing should stop.
Could anyone provide some help in comparing filesize and hashcode of the file with itself.
Regards
Abhi

read the [File API|http://java.sun.com/javase/6/docs/api/java/io/File.html] .
The file size is a long. and the hashCode is an int. [compare them - they are primitives|http://java.sun.com/docs/books/tutorial/java/nutsandbolts/operators.html]

My mac says that it has 40 gb of movies on it but when i finder search for file size, and for file type it gives me no videos

My mac says that it has 40 gb of movies on it but when i finder search for file size, and for file type it gives me no videos or movies. I have called apple 3 times and each time they do the same thing and then do something that takes awhile to finish so we hang up and then it never works.
Please Help

each time they do the same thing
And what thing might that be?

When using the Save Layer Comps to PDF Script, can you change the PDF settings. I need both Smallest File Size and Press Quality?

When using the Save Layer Comps to PDF Script, can you change the PDF settings. I need both Smallest File Size and Press Quality? Thanks in advance to the group for assisting with this matter.
— John

No, there isn't. The way you're using the file is not recommended. You
should use a review tracker to avoid getting in the way of one another.

Resize Video, both the file size and actual size

Hi All,
I am very new to Adobe Premiere (CS3). I have had it for a while but not needed to use until now. A client of mine has sent me a video that he wants on his website. But it’s 150M and 1280 * 720. Can anyone help me out with how I can resize both the file size and actual size to say 800 * 450 so it can stream it via the net?
Like I said very new to this,
Cheers,
Mike.

The first thing you need to do is determine just what KIND of file you were sent, so you may start a project that matches the file
Read Bill Hunt on a file type as WRAPPER http://forums.adobe.com/thread/440037?tstart=0
What is a CODEC... a Primer http://forums.adobe.com/thread/546811?tstart=0
What CODEC is INSIDE that file? http://forums.adobe.com/thread/440037?tstart=0
I don't do streaming video, so you should search the help file... I **think** what you want out is a Flash file, but that is only after you know what you are going to load into the CS3 timeline

File sizes and bit rate slider

Similar Messages

Maybe you are looking for