Tuesday, May 31, 2016

Re: [Avid-L2] Re: Does and Avid or any DPX sequence handle audio?

 



have to add:
Avid (At least my version) can export to RF64:
Meaning, you can export to poly Wave > 4 gig, extenstion is still wave.
 
Bouke
 
VideoToolShed
van Oldenbarneveltstraat 33
6512 AS  NIJMEGEN, the Netherlands
+31 24 3553311
----- Original Message -----
Sent: Tuesday, May 31, 2016 11:49 AM
Subject: Re: [Avid-L2] Re: Does and Avid or any DPX sequence handle audio?

 



You said it yourself. It's QT. That is not Wave, nor AIFF. It's QT.
Uncompressed data is uncompressed data. No matter in what container, the data is EXACTLY the same.
AIFF and Wave cannot go over 4 gig, since the format does not allow for that. QT is then an option.
 
But please, render out a ProRes QT and be done with it.
 
Bouke
 
VideoToolShed
van Oldenbarneveltstraat 33
6512 AS  NIJMEGEN, the Netherlands
+31 24 3553311
----- Original Message -----
Sent: Monday, May 30, 2016 8:27 PM
Subject: RE: [Avid-L2] Re: Does and Avid or any DPX sequence handle audio?

 

So for my .dpx test I exported an 8 Channel smpte track layout with matching time code.  Not sure if that is aif or wav.  It reads in media info as 8 discrete PCM little endian tracks 24 bit 48K.  It reads in QT Pro 7 as 8 discrete 24 bit Integer (little Endian) 48K.  So I know it's uncompressed.  It's wrapped as a .mov so I feel like a bonehead.  What do I use to find out if it is .aif or wav.  I suppose I could check my export settings in Avid but how does one tell it an audio only .mov is aiff or wav.  Seems like I should know this but it's not popping to the top of format induced Coma.. I think staring at the export progress bar in 4K has permanently warped my brain more than usual.

Oh wait, "Every Pixel Counts, Every Pixel Counts, Every Pixel Counts .....  Now I can pretend to feel better.  ;-(



---In avid-l2@yahoogroups.com, <rupert@...> wrote :

Hmm, that loaded the table as picture. Maybe this is better?

 

AIF
AIFF

*.aif
*.aiff

Audio interchange format. Platform
independent file format for sound.
Capable of storing multiple mono or
stereo channels.

BWF

*.rf64
*.wav

Broadcast wave format. Platform-in
dependent file format for sound. Ex
ension of the Wave format capable
of storing multiple mono or stereo
channels together with metadata
and enabling file sizes of more than
4 GB.

Wave

*.wav

File format for digital audio (wave
form) data under Windows. Capable
of storing multiple mono or stereo
channels.

 

 

Rupert Watson

+44 7787 554801

www.root6.com

 

From: Avid-L2@yahoogroups.com [mailto:Avid-L2@yahoogroups.com]
Sent: 30 May 2016 15:44
To: Edit B <bouke@...>; Avid-L2@yahoogroups.com
Subject: RE: [Avid-L2] Re: Does and Avid or any DPX sequence handle audio?

 

 

Bouke

Now you made me go and find the manual ;-)

These are the audio only files supported by Clipster.

[cid:image002.png@01D1BA8A.12F47980]

Clipster is *the* workstation for making DCPs and IMF deliverables fast and accurately. It is for industrial amounts, not ones and twos, though.

Rupert Watson
+44 7787 554801
www.root6.com

From: Edit B [mailto:bouke@...]
Sent: 30 May 2016 15:29
To: Avid-L2@yahoogroups.com; Rupert Watson <rupert@...>
Subject: Re: [Avid-L2] Re: Does and Avid or any DPX sequence handle audio?

Rupert,
Should that not be RF64, as you easilly go over the 4 gig limit with 8 channels of 24 bits sound...
(Or does Clipster (NO clue what it is...) support mono wave?)

Bouke

VideoToolShed
van Oldenbarneveltstraat 33
6512 AS NIJMEGEN, the Netherlands
+31 24 3553311

----- Original Message -----
From: Rupert Watson rupert@... [Avid-L2]<mailto:rupert@...%20[Avid-L2]>
To: Avid-L2@yahoogroups.com<mailto:Avid-L2@yahoogroups.com> ; tcurren@...<mailto:tcurren@...>
Sent: Monday, May 30, 2016 4:05 PM
Subject: RE: [Avid-L2] Re: Does and Avid or any DPX sequence handle audio?


Terry, the smpte spec does, in fact, allow a MB of audio in the header IIRC. Only ever seen it used once, though.
On the whole dpx sequences are mute. You can use pretty much any standard audio file to carry the sound. I would use BWAV as they have timecode and you can use that to synch 'em up in the Clipster.
Rupert Watson
+44 7787 554801
www.root6.com<http://www.root6.com>
From: Avid-L2@yahoogroups.com<mailto:Avid-L2@yahoogroups.com> [mailto:Avid-L2@yahoogroups.com]
Sent: 30 May 2016 02:59
To: Avid-L2@yahoogroups.com<mailto:Avid-L2@yahoogroups.com>
Subject: [Avid-L2] Re: Does and Avid or any DPX sequence handle audio?

Umm, John... DPX are stills. How exactly would you add audio to a sequence of stills?

---In Avid-L2@yahoogroups.com<mailto:Avid-L2@yahoogroups.com>, <bigfish@...<mailto:bigfish@...>> wrote :
As I'm testing the dpx file export on Avid 8.5.2 I'm setting to RGB 10bit keep levels as legal. Netflix want BT.709 files. I also checked use selected tracks and I've selected Video and audio 8 channels. The resulting file when I link ama to the dpx sequence is video only. I tried a dpx export with only the audio channels selected but I get a prompt that the export format requires video on every frame or some such prompt. So is dpx an audio less format? I guess even though Avid has a check box for use marks and one for selected tracks it's probably referring to the video tracks.



What is the standard for including audio for a dpx sequence?
John Moore Barking Trout Productions Studio City, CA bigfish@...

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