N8: Missing JPEG compression settings and gallery ...

1) Where's the use of a fine 12 MP camera if a harsh JPEG compression algorith destroys almost all photos taken ?
PLEASE introduce a setting for adjusting the compression strength.
I know there are solutions available already - but these only work with flashing the phone.
2) After updating some social network software the button for opening the gallery (right after taking a photo) vanished - and now shows an icon for uploading the photo instead of opening the gallery. ARGH ! - Even deinstalling that update did not bring the gallery button back. I now curse myself (and Nokia) for installing that senseless update.
That gallery button was such a nice workaround for checking the quality of a photo taken:
That instant photo display after shooting does not allow zooming - so it's of no use because you cannot check the quality; without zooming in, you cannot see if a picture taken was out of focus or blurred by hands shaking.
So PLEASE: Restore the gallery button OR lets us zoom a photo taken right after shooting.
It's of no use instantly uploading a picture to social networks if you can't check if the quality is sufficient.

Hape: There are always people who like everything. There are even people who like getting slapped in the face. So this shouldn't be an excuse for every nonsense possible.
The problem: That new button is just useless because you wouldn't upload a picture prior to knowing if it really is of the quality needed: On the N8s small screen, even blurred or out-of-focus pictures look ok. You'll only see the differences after zooming in.
But you CAN'T zoom in using the quick view feature right after taking the photo - you need to open the picture taken using the gallery.
Of course you may open the gallery via the menu - but you need to scroll down for finding the right menu entry. Takes unnecessary time and is a source of error.
A QUICK review should be a QUICK review - you don't want to miss the next photo opportunity just because you waste your time fiddling with the menu entries just because Nokia destroyed a working system by introducing a button which is of no use if you cannot check the photo's quality prior to using it.
And again: Why doesn't deinstalling restore the previous state ? - As said: I deinstalled that senseless update - but that ugly button is still there.
So again:
PLEASE, Nokia: Remove that senseless button OR let us zoom photos in quick view.

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Changing default jpeg compression for Web Gallery files

I have created several web galleries from both Raw and Jpeg files with Iphoto '08 that suffer from serious jpeg compression artifacts. I haven't found any way to change the compression amount to reduce the artifacts. Is there actually a way?

papasteveo:
Welcome to the Apple Discussions. There is no way in iPhoto for the user to manage the jpg compression of the web gallery photos. If the option for visitors to download the photos is selected the copy that's uploaded is compressed approximately equivalent to an Photoshop quality setting of 8 or 9 out of 12. The pixel dimensions are the same as the original unless the max dimension in the original exceeds 3054. The the file is resized to 3054 max dimension.
If the gallery is just for viewing the image is resized to 800 x 600 with additional compression.
You could manually replace the file with one that you've prepared but it would be very tedious as each file has it's own folder and the file name is changed to web.jpg (viewing only) or large.jpg (download). You would have to rename each file to be uploaded to the new name and make sure it's placed in the correct folder.
Do you Twango?
TIP: For insurance against the iPhoto database corruption that many users have experienced I recommend making a backup copy of the Library6.iPhoto database file and keep it current. If problems crop up where iPhoto suddenly can't see any photos or thinks there are no photos in the library, replacing the working Library6.iPhoto file with the backup will often get the library back. By keeping it current I mean backup after each import and/or any serious editing or work on books, slideshows, calendars, cards, etc. That insures that if a problem pops up and you do need to replace the database file, you'll retain all those efforts. It doesn't take long to make the backup and it's good insurance.
I've created an Automator workflow application (requires Tiger), iPhoto dB File Backup, that will copy the selected Library6.iPhoto file from your iPhoto Library folder to the Pictures folder, replacing any previous version of it. It's compatible with iPhoto 08 libraries. iPhoto does not have to be closed to run the application, just idle. You can download it at Toad's Cellar. Be sure to read the Read Me pdf file.

LR JPEG compression vs. Photoshop JPEG compression

I haven't found any documentation of the meaning of the 0 - 100% JPEG compression value in LR's (v1 or v2) Export File window. And the default value of 100% is overkill and results in huge files. At least I'm familiar with the Photoshop's 0-12 JPEG quality scale with associated quality names: Low, Medium, High, and Maximum.
Via trial and error, I have found that LR has the same 13 quality levels as Photoshop and gives the same results, they are just mapped on a 0 - 100% scale. This also means that changing a few percent may not make any change at all, since a quality change only happens about every 7 percent.
For those who might find it useful, here is a table of the mappings:
The first column is the Photoshop compression number and name; the second column in the range of Lightroom percentages that will give the same results.
0-Low 0-7%
1-Low 8-15%
2-Low 16-23%
3-Low 24-30%
4-Low 31-38%
5-Med 39-46%
6-Med 47-53%
7-Med 54-61%
8-High 62-69%
9-High 70-76%
10-Max 77-84%
11-Max 85-91%
12-Max 92-100%

I looked at this again using PS's 'Baseline Standard' JPEG format option instead of 'Baseline Optimized. LR does not provide the format options Standard, Optimized, and Progressive, but appears to use 'Baseline Standard.' The equivalent compression level LR file size is within 16KB of PS's file size, which is probably due to slight differences in in the file metadata.
This pretty much confirms LR and PS use the same 'Baseline Standard' JPEG compression algorithms. The PS level 7 reduced quality is also seen at LR's level 54-61 JPEG Quality setting. Jeffrey Friedel mentions this in his analysis of LR's JPEG Quality settings and a reply from Brian Tao:
http://regex.info/blog/lightroom-goodies/jpeg-quality
Jeffrey Friedel's comment:
One thing I find interesting (but don't understand) is that in the first example, the difference in file size between the 47〜53 quality and 54〜61 quality is considerable (49k to 66k bytes), while in the second example, the the same two levels of quality produces essentially the same file size. There seems to be some kind of switch in compression algorithm once Lightroom is at a quality setting of 54 or above that puts the emphasis on encoding the easily-discernible smooth gradients of the sunset example, and if they are lacking in the image, as with the reed-window-shade example, the attempt at extra quality fails, and the file size does not increase. That's my guess, but it's just a guess.
Brian Tao's Reply:
This is due to the downsampling (basically, a reduction in resolution) of one or more of the image channels before passing it to the actual compression routine. Human vision is much more sensitive to changes in luminance (brightness) than chrominance (colour). JPEG takes advantage of this by reducing the amount of colour information stored in the image in order to achieve higher compression ratios. Because it is colour and not brightness that is sacrificed, this is called “chroma subsampling”. Look up that term in Wikipedia for a far better and more detailed description than I can provide here.
In a nutshell, Adobe products will use either a 4:4:4 subsampling (which is no subsampling at all, and thus full resolution) or 4:2:0 subsampling (both red and blue channels are reduced to one-quarter resolution before compression). There is no switch to specify the amount of subsampling to use. In Photoshop, the change from 4:2:0 to 4:4:4 happens between quality 6 and 7. In Photoshop’s Save For Web, it happens between quality 50 and 51. In Lightroom, you already noticed that something unexpected happens between 47-53 quality and 54-61 quality. Guess what levels those correspond to in Photoshop? 6 and 7… exactly as expected.
You can very easily demonstrate this by creating a worst-case scenario of JPEG chroma subsampling. Create a small image in Photoshop with a pure blue (RGB = 0,0,255) background. Now type in some pure red text (RGB = 255,0,0). For maximum effect, turn off anti-aliasing, so each pixel is either full on red or full on blue. Zoom in to 500% or so for a clear view of the pixels. Now save the image as a JPEG. With the JPEG quality dialog visible, you will see a real-time preview of the effects of JPEG compression. Start at 12, and work your way down to 0, one step at a time. Watch what happens when you go from 7 to 6. You can do the same with Save For Web and with Lightroom to confirm where they switch from 4:4:4 to 4:2:0.
The file size discrepancy is more noticeable in the sunset shot because most of the information (relatively speaking) is needed to encode the gradual change in chrominance values. There is virtually no luminance detail to worry about, except around the silhouette of the bird. But in the photo of the reed window shades, the fine detail and texture and lack of colour result in practically no difference going from 4:4:4 and 4:2:0.
Because of this hidden (and inaccessble) switch, I have been recommending that to be safe, one should never go below quality 7 in Photoshop, or 51 in Save For Web. In Lightroom, this corresponds to quality 54.
Hope this helps.

Large .jpeg compression/artifacts?

I'm struggling with Muse's jpg compression, which I can't seem to bypass. I'm uploading very large images (2560px wide) for full-screen slideshows which have been optimized for the web in Photoshop. These images have large light backgrounds and hence Muse's jpg compression produces noticeably artifacted areas. I want to make sure it is indeed Muse that's the problem, and not Chrome. I'm previewing these locally. Thanks.

First, I have to say the delta between the screenshots is extremely small. I've had multiple people drop into my office for other reasons and none could see differences without me pointing them out using a pixel magnifying tool.
That said, here are some thoughts regarding this specific case.
Given this appears to be a photograph of black and white line art, it's a very problematic case for JPEG compression. To get a high quality result for this specific use case you'd want to start with a Camera RAW image from the camera (to avoid the camera introducing JPEG compression artifacts) and then go directly to a lossless image format such as PNG or GIF, rather than JPEG. For this specific subject matter going from Camera RAW directly to PNG/GIF would provide the best result, but at the cost of page load speed since the PNG/GIF image will likely be several times larger than a JPEG.
I expect what's occurred in this case is that the original image was a JPEG from a camera that was resized smaller and then re-encoded as JPEG.
The encoding as JPEG in the camera would introduce some artifacts but due to the very high resolution image the artifacts would be very small. Then the image was resized smaller. Resizing alters the image by using one of any number of algorithms to combine/average a set of pixels into a single pixel. The most common high quality approach is bicubic resampling. When resizing smaller this has the side effect of softening any hard edges within an image resulting in a final image that's sometimes considered ever so slightly blurry or "softer" than the original. I see this in the format.com example, in that it looks every so slightly soft or blurry compared to the PS and Muse examples. The algorithm available in PS and used by Muse when resizing smaller is bicubic sharper. This approach combines bicubic resampling with a very small amount of sharpening to counteract the blurring/softening effect of the resizing. For the specific subject matter in your image and the JPEG artifacts that were likely introduced before the image was resized, the sharping results in making the edges of the JPEG artifacts more noticeable (along making all the edges in the image crisper).
Without the URL for the webpage and the original image file (and probably the .muse file), I can only speculate on exactly what's being generated and why, but hopefully the above information is helpful.

Best volume/compression settings for AUDIO for Rock concert DVD ???

I am putting the finishing touches to a 2 hour rock concert DVD.....
I am converting the wav/and 5.1 to Dolby 5.1 and 2.0 files ....
They are sounding really quiet compared to the original waves...???
I can see that there are some dolalogue/audio compression settings and something set to -21db.....
How can I make them louder...and if I do will it mess up playing on normal DVD's ....
I know there are some DOLBY compresor settings in mac DVD player that make the sound pump if switched on...
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Hi
You must change some settings in the standard Dolby presets to keep the original level and mix:
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This way your AC3 files will keep the level and mix from your original files.
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IPhone 5s doesn't ring and goes directly to voice mail. Do not disturb is disabled. Have reset network settings and did a hard reset. What am I missing?

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Call your phone carrier - that's a problem for them to resolve.

When importing photos with iBooks Gallery widget, is anyone aware of a technique for simultaneously importing the photo's description (or jpeg file name) and writing it into the iBook Author caption field for the imported photo?

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http://www.apple.com/feedback/ibooks-author.html
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So I updated to OS X Maverick(s) and backuped my harddrive and got a new one installed, everything seems okay but some things are missing in my settings like the software update icon. Does anyone know how I can get it back?

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Okay so I asked someone from apple and they said that the software update icon is gone but its functions have been merged with the app store icon on the settings menu. Crisis averted haha!

My "software update" is missing after I go to "settings" and "general." where did it go?

My "software update" is missing after I go to "settings" and "general." where did it go?

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Document sizes and jpeg compression / quality

In relation to Photoshop, in the status bar at the bottom it displays what it calls “document sizes”. Would someone be able to clarify can this be used to determin the quality of a jpeg file ?
For example if I open up a jpeg with no compression (file size on disk is 4.57mb) it displays Doc:34.5M/34.5M however if I open the same file with compression set at 5 (file size on disk is 748kb) and ‘document size’ doesn’t change. How does the document size relate to jpeg compression etc...?
Thank you

Open a file, say a tiff or psd, zoom in close to the image, about 400% on a recognizable detail. Use the Save As... command, select JPEG, and click Save.
When you get to the dialog box, run the Quality slider to 0 and observe what happens to the pixels. It's like they are clumped together in large blocks.
That's how it saves on disk space when it is written back to the file.
477k/477k is the uncompressed size/size in ram and 31.5k is the saved to file compressed size caused by clumping all those pixels together. Of course you trash the file that way,but that's where compression saves space. Not by reducing the pixel count,but by consolidating them.
My point is is that you adjust that slider by eye and from there decide what optimal quality number is worth the space saved.
With broadband connections and terabyte drives, I would not see any point to less than 12 quality compression these days.

The sound no longer works in my husband's iPad and it keeps shutting itself down. This started today. We checked all the settings and everything looks right. Is there something we might be missing?

The sound no longer works in my husband's iPad and it keeps shutting itself down. This started today. We checked all the settings and everything looks right. Is there something we might be missing?

Try a reset first: Press and hold both Sleep/Wake and Home buttons until the Apple logo appears.
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http://support.apple.com/kb/HT1414

HI, I bought my iphone 5 from you guys. all good apart from one thing, FACETIME is totally missing from my phone and its not there in my settings too. kindly advise with the reason or if there any upgrades to be done. Many Thanks, Chamara Kodagoda

HI,
I bought my iphone 5 from you guys (online Apple Store). all good apart from one thing, FACETIME is totally missing from my phone and its not there in my settings too. kindly advise with the reason or if there any upgrades to be done.
Many Thanks,
Chamara Kodagoda

We are all iphone userss just like you. You did not buy your iphone from us.
You are not addressing Apple here at all.
Did you buy the iphone ins the Middle East? If so, it will never have facetime. It is not allowed by the government.

Jpeg quality setting, noise settings and artifacts

I am having difficulty having work accepted by iStock - even at full size at 100% jpe
g export, there is still some. I have cut way back on all enhancements.
I would like some advice to expoering clean images and where i find jpeg setings - or are their similar ones to those in CS5. I have tried saving for web in CS% to no avail. I do get some accepted - about 30% and i have started to use a program called deNoise from Topaz - would appreciate suggestions on all the baove.
Thanks
Greg Summers

Aren't these stock agencies a little paranoid about noise?
Lightroom 3 images may look a little noisier than LR2's at the same slider values. So you might need to add a little more luma noise than before.
As for Jpeg quality settings, read this excellent analysis: http://regex.info/blog/lightroom-goodies/jpeg-quality

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Hi.
You can easily restore all of your apps, photos and podcasts.
If you activated the iCloud service before updating, your Apps will be storaged "in the cloud" and ready to be re-downloaded. Otherwise, go to App Store and choose "Updates". Here, in the top of the screen, is the "Purchased"-button. Tapping here will give you a complete list of all your downloaded Apps, ready to be re-downloaded.
As for your podcasts, plug your iPhone to your PC/Mac. Single-click your iPhone-device in the menu on the left. Once the iPhone-window appear, go to the tab-menu in the top of the screen and choose 'Podcasts'. From here you can decide which podcasts should be sync with your device.
I hope this was helpful.
Best regards.

Incompatible Compression Settings! Project hand-in tomorrow and no export

I really have no idea why i am getting this message... can someoneplease help. i have a deadline.
I have a sequence on the timeline.. and nested it (which it asks me to do). but still makes no difference when i choose to print to video. i still ge the error message. Incompatible Compression Settings.
I am using a canon xl1s. imac g5 1.9 and a 1gbram. with external hd 300gb as scratch.
MAny Thanks
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...because if you are trying to edit to tape and get the "Incompatible Compression Settings" narrative, here's a solution.
http://discussions.apple.com/thread.jspa?messageID=1564957&#1564957
(However, I think you want to be trying to "Print to Video")

N8: Missing JPEG compression settings and gallery ...

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