Like Tangents in Rain
Time 2021-11-15 23:09:19Web Name: Like Tangents in Rain
WebSite: http://dcinematools.com
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Tangents,Like,Rain,in,DCinema,technology,exhibition,digitalcinema,3D,lasersDescription:
keywords:DCinema, technology,exhibition, digital cinema, 3D,lasers description:Digital Cinema – also called dcinema and d-cinema, 10 years...nay, 14 years into the transition...and still transitioning. DCinemaTools Skip to contentMon11152021
Last updateThu, 30 Sep 2021 9am
Highlights: Update: Universal/AMC Deal and the future of VOD r UPDATE: As Mulan/Tenet Slips, so does AMC... UNIC Women’s Cinema Leadership Programme – Yea Deluxe Revolutionizes Distribution of Content to T California Gets Cinema Back To Work ... Tea Leave Reading for Chinese Cinemas... Plead to Plead the US Congress... Exhibition Is Stable – Consumer All Over... Design a Cinema Auditorium, How To – Rolv Gjestl 8K Association Certified Program... In Case You Want To Produce... You believe that Snellen eyechart or your lying ey Moviola Teaches Glossary... 2019 Women in Cinema – Celluloid Junkie... Nominations Open for Celluloid Junkie’s Top Wome OLED Screens with Audio – Not Cinema...Yet... Update – Ludé on Light Field Displays ... Comments on the Celluloid Junkie Predictions 2019... ...and finally, Encrypt... Color Spaces Training Cool... NATO Declares 9 April '19 SMPTE DCP Compliance Day... UNIC Cinema Days...and the Newsletter... UNIC and Theatrical Exclusivity...Post French Cult What Means, New SMPTE Pink Noise...and How?... Signing In Cinema... Digital Cinema In the Modern Age...and Its Tangents Discover8K.com LaunchedIt is all in the library, so many groups found out – and when the choices are made, what do you shoot in, what do you post in, what do you archive in, it is clear that the higher resolution the better.
Articles are abounding about the valuable reasons...
Read more... D-Cinema Packaging — SMPTE DCP Bv2.1 Application ProfileA great effort accomplished between friendly competitors to align the stars of DCP creation has been completed and is online as:D-Cinema Packaging —SMPTE DCP Bv2.1 Application Profile
You will notice that the link above allows everyone, SMPTE me...
Read more... All-In-One Microdisplay from Compound Photonics ChrisChinnock, of Insight Media notes that Compound Photonics has been an innovator in microdisplay technology for decades (under previous names as well).The press release below shows they are now at the forefront of microdisplay technolo... Read more... Update: Universal/AMC Deal and the future of VOD releasesUpdate: Cinemark, the world's 2nd largest chain, will not go silently into the good night of marriage with VOD:
Cineworld Reacts To Universal-AMC Theatrical Window Crunching PVOD Deal: “We Do Not See Any Business Sense In This Model”
Click above to see...
Read more... UPDATE: As Mulan/Tenet Slips, so does AMCUPDATE: With some rumors – still unconfirmed a week later –that Tenet could be r...
UNIC Women’s Cinema Leadership Programme – Year 4UNIC LAUNCHESFOURTH EDITIONOF THE WOMEN’S CINEMA LEADERSHIP PROGRAMM...
Deluxe Revolutionizes Distribution of Content to TheatersYou never know what a revolution is when it is mentioned by a marketing group. B...
California Gets Cinema Back To WorkThe Exit for the PauseDemic has been eagerly awaited all over the world.French c...
CineEurope, rescheduled, then cancelledUsually in June, CineEurope had to reschedule to August – and even that was deem...
Tea Leave Reading for Chinese CinemasWanda Film is the group that bought AMC in the States and which then bought the New Blog
Selected Takes: 3 Editing Lessons From Anne V. Coates
MusicBed Blogpresents a new...
CinemaCon CoronaVirus Update (and links)The following was sent by NATO regarding CinemaCon 2020 on 26 Feb 2020
To: ...
NAB CoronaVirus Statement (and links)The following press release was sent from NAB on 19 Feb, 2020
FOR IMMEDIATE RELEA...
Exhibition Is Stable – Consumer All OverThe first US studio has stopped sending InterOp DCPs to their clients in North A...
Introducing – Tools for Cinema Quality Assurance Cinema Test Tools for the Non-Technical ManagerA free resource for the cinema industryTuned most particularly for the non-technical manager.Tools include:• Several DCPs for testing the sound and picture quality
• Lessons on sound and light
• Written to help communicate withthe technicians
The key is a free OnlineManagers Online Walk Through Checklist that correlates with the many DCPs. It helps bring an understanding of the many nuances of the auditorium's situation in a straightforward way.
DPCalendar Upcoming 3 Dec IBC 2021 Live! 03.12.2021 - 06.12.2021We've been apart for too long,
it's time to come together again. IBCwill bring the content and technology industry together again to discover the future of media and do business face-to-face.
Earlier PostsDCinema Links How Loud Is Loudness
Post: 2017-06-12 The Car as Consumer Electronics – CES 2016
Post: 2016-01-21 MenuMeters for El Capitan is back
Post: 2017-03-20 States of Exhibition–Evolution
Post: 2014-10-24 How I Explained REST to My Wife
Post: 2014-10-24 ISDCF • EDCFCelluloid Junkie • DCinemaToday Cine Tech Geek • DCinemaComplianceISDCF Forum • Film-Tech ForumSMPTE Standards • DCinemaTrainingDCinema Glossaries
Update; At least the PR from Deluxe pretended to be written to the industry. Tec...
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Edge Storage and Archiving LTO-5 Basics 11 YEARS AGOLTO-5 became officially available this year, with products coming fast from the ...
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More: IVC/Point.360 Archive Development White Papers Post Design a Cinema Auditorium, How To – Rolv Gjestland 1 YEAR AGOThere should be laws against putting this much data, with this much nuance, with...
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Advices Web Posting of the Week Nominations Open for Celluloid Junkie’s Top Women in Global Cinema 2019 2 YEARS AGOAs Celluloid Junkie gets its nomination list on for this yearsTop Women in Globa...
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An amaz...
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Workflow Deluxe Revolutionizes Distribution of Content to Theaters 1 YEAR AGOYou never know what a revolution is when it is mentioned by a marketing group. B...
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More: 8K Association Certified Program Storage If U B MWhen Women Take the Baton, an article about the challenges in one segment of entertainment that we don't often hear about – and repeatedly the stated goal is not to be known as an excellent or expert female conductor, but rather to be an..."> 2019 Women in Cinema – Celluloid Junkie Technique Bin Color Spaces Training Cool 3 YEARS AGOWhile writing an addendum toCinemaTestTools.com's LessonA Look At Light, Part 2,...
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More: Promoting Open Subtitles in the Cinema DCinema in the SMTPE Compliant Era~! Update – Ludé on Light Field Displays Details Category: Acquisition Created: 31 January 2019 " onclick="window.open(this.href,'win2','status=no,toolbar=no,scrollbars=yes,titlebar=no,menubar=no,resizable=yes,width=640,height=480,directories=no,location=no'); return false;" rel="nofollow"> Print EmailPete Ludé posits from the view of having worked with worked with CableLabs, starting from the basic question – If we could buy a large light field display, how could we use it for different types of content (e.g., Sports, DIY Instructional Video, Concert, or Scripted Drama), and what parameters would be most relevant and needed (Field of View, Resolution, Viewing Distance) to come to how much data is required to capture in those cases.
And from there explains and works into Light Field Display from the basics to the complex that we will have to deal with in the near-ish future:
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What Means, New SMPTE Pink Noise...and How? Details Category: Acquisition Created: 02 July 2018 " onclick="window.open(this.href,'win2','status=no,toolbar=no,scrollbars=yes,titlebar=no,menubar=no,resizable=yes,width=640,height=480,directories=no,location=no'); return false;" rel="nofollow"> Print EmailSMPTE ST-2095-1 is a new standard for Pink Noise. It tooka great deal of work by a great number of clever people, a lot of listening and testing and tweaking. The cool thing is that it isn't made with a lot of transiticators, but rather, with digits. This is THE Digital Pink Noise Standard.
Pink Noise has been one of those things that has always been around, and people don't think much about it. Flick a switch, and there it is. But it took asophisticated circuit to do right, and it wasn't always implemented the same...or even well. That is much less likely now because with the standard is a python script that is very easy to implement.
The equipment that you rely upon may already use it. For example, the great audio tools set namedAudio Tools from Studio Six Digital, has already implemented it.
But what if you just want to make some of your own? That is the point of this post – to give a few tips on how to create a usable Pink Noise .wav file using the python script that is delivered with the SMPTE Calibration Pink Noise Standard ST-2095-1...and with luck and permission, attached as a download here.
Since the programming language ‘python’ is installed as a standard part of the Mac computer, that is what you'll see with the drawings and instructions following. There arealso some pictures of the basic use of the Audacity, the free and Open Source audio tool. Audacityis available for Windows, but the pictures are from a Mac.
Justto be clear:
1) Python and Audacity are both freely available for Windows and Linux and Mac
2) Allowing for normal directory adjustments, the commands are the same whether used on a Mac or Windows or a Linux based computer. In Windows, of course, one uses the ‘cmd’ window instead of a 'Terminal', and one can’t use cut and paste on the Windows system as one can with Terminal on the Mac and Ubuntu (pointing out only one of several usable versions of Linux OS.)
Windows Python Installer: https://python.org/downloads
Audacity downloads are at: http://web.audacityteam.org/download/
1) Download the SMPTE Python File
One source is the SMPTE Documents website.
2) Prepare the Computer
On your Mac computer, in Finder, click “Command-Shift U” to go to 'Utilities' folder.
Drag the .py file to Utilities folder; authenticate with your password when asked.
While still in Finder, click “Command-Shift O” (O as in Opal) to go to 'Documents' folder.
Create a new Folder (Cmd-N) and immediately type "pink_noise", then Return to name it.
Open the 'pink-noise' folder with Cmd-O or double click.
3) Using Terminal to Create Some Noise
Do “Command Spacebar”, then type “Terminal”. When ‘Terminal’ appears, click “Return”
In Terminal, type “python " including a trailing space.
From the Utilities folder, drag the 'ST-2095-1-generator.py' icon to the Terminal window.
Add a space
From the top of the previously opened ‘/Documents/pink_noise’ folder, drag the folder icon to the Terminal window.
Add a slash bar and a file name for the pink noise file to be generated: e.g., "/48_10_1.wav"
The line should look something like:
python /Applications/Utilities/ST-2095-1-generator.py Documents/pink_noise/48_10_1.wavHit “Return", then wait until the script tells you how long the process took and the RMS value.
Go to ‘Documents/pink_noise folder’ to see the new .wav file. Click once, hit Space bar to listen.
If you are unfamiliar with the techniques detailed above, all that dragging and dropping is usedto avoid figuring out –and mistyping – the paths to the documents. Terminal is kind enough to let you drag a file and it fill in the data.
4) To Modify file duration, channel numbers and bit rate
In Terminal, click up arrow which brings up the previous command.
Hit left arrow to the Capital "D" in Documents. Type "-d 20 ", or the desired length in seconds.
Note the space. Make certain there is only one space in between the '20' and the 'D'.
Hit the right arrow to 2nd underscore in the .wav file name. Hit "delete" 2 times. Type "20".
Hit "Return" to create the 20 second file.
The following command will create a .wav file that has 6, 30 second channels of 96k pink noise.
python /Applications/Utilities/ST-2095-1-generator.py -d 30 -c 6 -9 Documents/pink_noise/96_30_6.wavThe six channels in thatexample will play simultaneously. To create a file that will play the channels consecutively, or to change the levels or add a Fade In or Fade Out, or trim the lengths (a 10 second request will create a file longer than10 seconds), it is necessary to use an audio editing program. While many are available, the examples used below are for the well regarded, free and Open Sourceprogram, “Audacity” .
5) To install Audacity
Open a browser page to: http://sourceforge.net/projects/audacity/
Click the "Download" button
Double-click on the .dmg file, which will open an Audacity Install window
Drag the Audacity folder to the Applications folder.
6) To Open .wav File In Audacity
In the 'pink_noise' folder, Right-Click or Control-Click on the .wav file
Roll down to "Open with". Select "Open with Audacity”
Click "OK" to "Make a copy of the files before editing (safer)
You should see a single channel of pink noise that is a little shorter than 22 seconds.
To Cut or Fade Out from 20 seconds, with the "I-bar" selected, click, hold and drag to the right.
To Cut:
Leaving the last 1.8 seconds selected, hit 'Delete'.
To Fade:
Leaving the last 1.8 seconds selected, pull down from 'Effects menu' (at top) to 'Fade Out'
Click Command-A to select the entire track
To quickly add channels of the same modified sound:
Click “Command-D” three times to create 8 channels
Click "X" in upper left corner of any track to eliminate one track.
Good practice, but not mandatory:
Name the channel by pulling down the box to the right of the 'x'.
Note: The fourth channel will always be the LFE channel
7) To Sequence one track after the other
Click Cmd-A to select all the tracks.
Pull down the menu "Tracks" to "Align Tracks" to "Align End to End"
'Click Cmd-F' and 'Shift-Cmd-F' to get the entire set of tracks in the window.
Slip/Adjust tracks as desired.
8) To Export to broadcast WAV file use as .wav or for use as DCP
Pull down 'File' to 'Export Audio'. (Cmd-Shift-E)
Name file as desired, but definitely change the name or directory.
In 'Format' pull down to 'Other uncompressed files'.
Click 'Options';Select 'Header: WAV (Microsoft)'; Encoding: 'Signed 24 bit PCM'; Click 'Save'
9) To make channels Rotate…and LFE play last (See N.B. following Technique)
In Advanced Mixing Options: Click the 2nd box down on left. It will get a red outline
Click 'Channel: 3' on right side. A connection will appear.
Click 'Channel: 2' on right side. Connect it to 3rd box down on left side.
Click on connection bar between 3rd box on both sides to remove it.
Do the same to swap RtSurr and LftSurr for Channels 5 and 6 - have real fun with 8 channels.
Click ‘Save’. The Next panel is metadata which is not supported in .wav files; Click ‘OK'
NB:This technique only works if all channels have identical signals! If, for example, the LFE channel were increased by 10 dB before the Export, following the above Export example will create a Right Surround that is 10 dB too hot.
10) Verifying the .wave file
Go to /pink_noise folder and open new file in Audacity using the “Open As…” technique described previously. If you merely double-click on the .wav file, iTunes will likely import it and play it for you.
This is what it should look like when complete. It will play out L, C, R, RtSurr, LftSurr, LFE
Now that the .wav file is open, filters can be applied or levels can be adjusted.
11) To add level to a channel
Select – carefully select – the audio portion of the track, then pull down ‘Effects’ to ‘Amplify’, then put in the number of dB to add (or -dB to subtract).
Do your best not to amplify the silence. But it is possible that you will not be able to avoid ‘grabbing’ a small portion of it.
You must export again to create a .wav file. When you “Save” in Audacity, you are creating an Audacity specific file set, not a playable .wav file.
But if you already have saved the .wav file so it plays channels in the proper order, then you don’t need to swap them on export again.
There is more potential in using the Audacity program, but this should serve the basic needs.
Please send documentcorrections or suggestions via the Contact Form. Thanks.
The death of film need not be the death of the cinema. Details Category: Acquisition Created: 20 June 2016 " onclick="window.open(this.href,'win2','status=no,toolbar=no,scrollbars=yes,titlebar=no,menubar=no,resizable=yes,width=640,height=480,directories=no,location=no'); return false;" rel="nofollow"> Print EmailSo begins Harry Mathias' latest book,The Death Rebirth of Cinema: MASTERING THE ART OF CINEMATOGRAPHY IN THE DIGITAL CINEMA AGE. Here is the link atAmazon.com: Harry Mathias, but once you get to Amazon you can do the google thing and find other less monolithic places to buy from.
Many universities are using this book, from UCLA and USC, to Baylor and the facility he teaches at, San Jose State University.Graciously transmit and extremely knowledgeable are the first two thoughts that get attributed to Harry. It's great to see the respect that his forth book is getting.
Side note: Speaking of training, I can't get enough of FilmmakerIQ.com – everything on the site is well researched and interesting. I'm sure Harry won't mind your putting his book down for a few minutes between chapters to enjoy a video or two.
In Case You Want To Produce Details Category: Autre Intérêts Created: 07 November 2019 " onclick="window.open(this.href,'win2','status=no,toolbar=no,scrollbars=yes,titlebar=no,menubar=no,resizable=yes,width=640,height=480,directories=no,location=no'); return false;" rel="nofollow"> Print EmailExhibitors should have many reasons to produce their own product. They can train employees or make special materials for guests. Probably a lot of excuses to get into the fun side of the business.
Here is a fun set of excellently produced videos from Adorama that looks into some of the details that any good production needs to consider.
Adorama – Beyond the Sound
OLED Screens with Audio – Not Cinema...Yet Details Category: Exhibition Created: 14 February 2019 " onclick="window.open(this.href,'win2','status=no,toolbar=no,scrollbars=yes,titlebar=no,menubar=no,resizable=yes,width=640,height=480,directories=no,location=no'); return false;" rel="nofollow"> Print EmailCinema exhibition technology seems to move fast and confusingly. For example, laser light technology seemed to be a natural evolution for putting more light on every screen – promises of cheaper to buy, cheaper to run, and better looking were true but well, not exactly cheaper to buy AND better looking...well, you get the idea. And the manufacturers put so much into RD that we shouldn't be surprised if they show up in 10 x 20 booths at CinemaCon.
But our brothers in the consumer side are having to juggle the worst of possible needs and potentials with lagging interchange standards and the presumption of magic...but don't try this or that without a 2.1 HDMI label on everything and even then you are not going to get what you think you want. And, there is a constant flood of new everything.
The latest was LG announcing today that they are introducing a whole line of Video panels that also vibrate out the sound. It was bound to happen since we saw similar things with theSony Bravia variation (XBR-A1E) – using an LG OLED screen – for home theaters that is a little larger than 6 feet diagonal. Not quite cinema, but these things lead to modularity and it has been conjectured that LG would be entering the
This isn't what went through the DCI certification process last September, the SonyCLDC-11. That is a5.1 m wide by 2.7 m high display up of 78 ZRD-2 modules and two ZRCT-100 Display Controllers. There is also a couple of boxes which could be dual purposed, e.g., the XCT-Z11 Secure Processing Box and the CPU-450 Projector Secure Silicon Module, and the SPB1 (Granada) Media Block and the Nexguard Forensic Marking system.
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