Saturday, June 13, 2015

Re: [Avid-L2] Export Dolby AC3 from MC7 timeline?

 

You can use Adobe Media Encoder to do 5.1 encoding to AC3, you just need to license the SurCode AC3 Encoder plugin. You can try it - if you choose SurCode, it unlocks a 10-day trial.

On Sat, Jun 13, 2015 at 12:43 PM, 'Job ter Burg (L2B)' Job_L2@terburg.com [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
 


On 11 jun. 2015, at 21:09, Nick Hrycyk bigblueav@yahoo.com [Avid-L2] <Avid-L2@yahoogroups.com> wrote:

> The ac3 output file is an encoded 2 channel surround sound file. Played back decided you will get full surround.

I believe that is incorrect. The old 4-ch matrixed Dolby surround (Dolby Stereo) folded 4 ch of mix back to 2 tracks, and the result was a stereo compatible LtRt track, which, when played back through a Dolby Matrix would give you LCRS again. That was upped to Dolby Pro Logic II which allowed for 5.1 channels to be folded into 2 channels via a matrix, and unfolded upon playback. And a Dolby E track (5.1 or 7.1) can be stored on 2 ch of PCM audio, but true Dolby Digital 5.1/7.1 is not "stored as 2 channels".

There are quite a few encoders that let you encode 2 ch stereo mixes into AC3. There are very few that let you encode a 5.1 mix into AC3, because Dolby asks a premium for that.

Apple DVD Studio Pro used to come with A-pack, which takes 6 PCM channels and lets you encode them into an AC3 file for DVD/BD authoring.

I've one time used something like this as well: http://www.softpedia.com/get/Multimedia/Audio/Audio-CD-Rippers-Encoders/WAV-to-AC3-Encoder.shtml or this http://www.hootech.com/formats/ac3/convert-wav-to-ac3.htm

Again, I think the culprit is that Adobe won't let us add 6 PCM channels. The BD specs allow it. A lot of commercial disks have it. No encoders needed. More bandwidth, that's true, but also pristine sound quality. And on a 25GB BD, there's plenty of room anyway.


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Posted by: Mark Spano <cutandcover@gmail.com>
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Posted by Video Geek Squad at 9:35 PM 0 comments

[Avid-L2] MC software install errors on Mac

 

I had to add some users on our workstations, and am now getting license errors and cannot re-install software on two of 8 machines.  On one machine I've been able to re-install 7.04, but get the 'license is not valid' message even though my dongle is fine.

I assume this is a permissions or 'uninstall' problem, but I can't track it down.  I get the 'error installing / call Avid' message using the installer - and the uninstaller won't remove the partial install.

Any of this ring a bell?  This started happening after a few days of reliable operation - I need these machines back online!

gh

-------------------------------------
Greg Huson
Chief
Secret Headquarters, Inc
323-677-2092
Greg (at) SecretHQ.com



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Posted by Video Geek Squad at 3:07 PM 0 comments

Re: [Avid-L2] Export Dolby AC3 from MC7 timeline?

 

"...but true Dolby Digital 5.1/7.1 is not "stored as 2 channels"."

I do see stations OTA that are transmitting dolby digital AC3 5.1 but it is stereo with no center speaker.  My basic understanding is there is a metadata flag that tells the decoder what's up.  What I notice on the CBS affiliate is prime time network has a center speaker etc.... but when it goes to local news the dialogue comes out the stereo front speakers not the center speaker.  The receiver sees it as a Dolby Digital source but only two channels come out.  I guess that's what you mean by "true dolby digital 5.1.



---In Avid-L2@yahoogroups.com, <Job_L2@...> wrote :

On 11 jun. 2015, at 21:09, Nick Hrycyk bigblueav@... [Avid-L2] <Avid-L2@yahoogroups.com> wrote:

> The ac3 output file is an encoded 2 channel surround sound file. Played back decided you will get full surround.

I believe that is incorrect. The old 4-ch matrixed Dolby surround (Dolby Stereo) folded 4 ch of mix back to 2 tracks, and the result was a stereo compatible LtRt track, which, when played back through a Dolby Matrix would give you LCRS again. That was upped to Dolby Pro Logic II which allowed for 5.1 channels to be folded into 2 channels via a matrix, and unfolded upon playback. And a Dolby E track (5.1 or 7.1) can be stored on 2 ch of PCM audio, but true Dolby Digital 5.1/7.1 is not "stored as 2 channels".

There are quite a few encoders that let you encode 2 ch stereo mixes into AC3. There are very few that let you encode a 5.1 mix into AC3, because Dolby asks a premium for that.

Apple DVD Studio Pro used to come with A-pack, which takes 6 PCM channels and lets you encode them into an AC3 file for DVD/BD authoring.

I've one time used something like this as well: http://www.softpedia.com/get/Multimedia/Audio/Audio-CD-Rippers-Encoders/WAV-to-AC3-Encoder.shtml or this http://www.hootech.com/formats/ac3/convert-wav-to-ac3.htm

Again, I think the culprit is that Adobe won't let us add 6 PCM channels. The BD specs allow it. A lot of commercial disks have it. No encoders needed. More bandwidth, that's true, but also pristine sound quality. And on a 25GB BD, there's plenty of room anyway.

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Posted by: bigfish@pacbell.net
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Posted by Video Geek Squad at 11:24 AM 0 comments

Re: [Avid-L2] Export Dolby AC3 from MC7 timeline?

 

All of A.Pack was rolled into Compressor.  

On Saturday, June 13, 2015, 'Job ter Burg (L2B)' Job_L2@terburg.com [Avid-L2] <Avid-L2@yahoogroups.com> wrote:

 


Oh, and for Squeeze to do 5.1 AC-3 you would need to purchase the Dolby Pro Audio add-on.
http://www.sorensonmedia.com/squeeze/squeeze-desktop/squeeze-addons/

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Posted by: John Pale <pale.edit@gmail.com>
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Posted by Video Geek Squad at 11:05 AM 0 comments

Re: [Avid-L2] Artist Series v1 - End of Life

 

How can I tell which one I have?

Tal

On Wed, May 6, 2015 at 9:37 AM, tcurren@aol.com [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
 

Effective immediately, Avid will no longer provide hardware replacement parts for the first version (V1) of Artist Control and Artist Mix components. 


This includes US, UK and EU models with the Euphonix branding..    There are no changes to support and replacement for the Artist Series  v2 currently shipping today.



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Posted by: Tal <nitris@tal.bz>
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Posted by Video Geek Squad at 10:34 AM 0 comments

Re: [Avid-L2] Export Dolby AC3 from MC7 timeline?

 


Oh, and for Squeeze to do 5.1 AC-3 you would need to purchase the Dolby Pro Audio add-on.
http://www.sorensonmedia.com/squeeze/squeeze-desktop/squeeze-addons/

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Posted by: "Job ter Burg (L2B)" <Job_L2@terburg.com>
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Posted by Video Geek Squad at 10:20 AM 0 comments

Re: [Avid-L2] Export Dolby AC3 from MC7 timeline?

 


On 11 jun. 2015, at 21:09, Nick Hrycyk bigblueav@yahoo.com [Avid-L2] <Avid-L2@yahoogroups.com> wrote:

> The ac3 output file is an encoded 2 channel surround sound file. Played back decided you will get full surround.

I believe that is incorrect. The old 4-ch matrixed Dolby surround (Dolby Stereo) folded 4 ch of mix back to 2 tracks, and the result was a stereo compatible LtRt track, which, when played back through a Dolby Matrix would give you LCRS again. That was upped to Dolby Pro Logic II which allowed for 5.1 channels to be folded into 2 channels via a matrix, and unfolded upon playback. And a Dolby E track (5.1 or 7.1) can be stored on 2 ch of PCM audio, but true Dolby Digital 5.1/7.1 is not "stored as 2 channels".

There are quite a few encoders that let you encode 2 ch stereo mixes into AC3. There are very few that let you encode a 5.1 mix into AC3, because Dolby asks a premium for that.

Apple DVD Studio Pro used to come with A-pack, which takes 6 PCM channels and lets you encode them into an AC3 file for DVD/BD authoring.

I've one time used something like this as well: http://www.softpedia.com/get/Multimedia/Audio/Audio-CD-Rippers-Encoders/WAV-to-AC3-Encoder.shtml or this http://www.hootech.com/formats/ac3/convert-wav-to-ac3.htm

Again, I think the culprit is that Adobe won't let us add 6 PCM channels. The BD specs allow it. A lot of commercial disks have it. No encoders needed. More bandwidth, that's true, but also pristine sound quality. And on a 25GB BD, there's plenty of room anyway.

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Posted by: "Job ter Burg (L2B)" <Job_L2@terburg.com>
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Posted by Video Geek Squad at 9:43 AM 0 comments

Friday, June 12, 2015

Re: [Avid-L2] Re: Symphony 6.5.x only using Cpu 100% During Video Mixdown?

 


On Fri, Jun 12, 2015 at 10:59 AM, bigfish@pacbell.net [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
 

My understanding is that in Activity monitor when the CPU reads 200% that means it's using two cores worth of processing.  300% would be 3 cores worth of CPU.  1800% would be 18 cores worth.  Even though there are 12 cores there are 24 virtual cores as each core shows two cores in activity monitor.  I don't recall if the two cores per actual core is "Hyper Threading or Threading or some other term."  Perhaps someone can clarify the proper nomenclature.

I agree about the rendered sequence and I think that is why my initial observation of my rendered sequence mix down was only 100%.



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


That makes no sense, a rendered sequence (if the codecs are the same) requires close to zero CPU as it's just a copy command.
Btw, what kind of Lingo devaluation has Apple invented for 100%?
If Namyr is running 1800%, that is more than double plus good.
(And that's not the only comparison between 1984 and Apple that can be made....)
 
My Win box runs all cores, if it needs to render or transcode.
(That means, also on a mixdown if that's involved. Same codec mixdown is a plain copy, and as expected, close to zero CPU)
 
Bouke
 
VideoToolShed
van Oldenbarneveltstraat 33
6512 AS  NIJMEGEN, the Netherlands
+31 24 3553311
----- Original Message -----
Sent: Friday, June 12, 2015 2:44 AM
Subject: Re: [Avid-L2] Re: Symphony 6.5.x only using Cpu 100% During Video Mixdown?

 

Is your sequence already rendered before mixing down?  I think that might have been a factor on my sequence.



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

Could be just a 6.5 thing.  I'm on 8.3.1 and mixing down to prores using %1800+ CPU on a dual 6 core mac pro.

On Thu, Jun 11, 2015 at 9:16 AM, jfriend jfriend@... [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
 

There may be some confusion here between multiple "processes" (separate sw executables) and a process utilizing multiple "processors" (multiple hw CPUs). For example, MC and background transcode are separate sw processes, both/either may utilize multiple hw processors/CPUs.



On 6/11/15 11:46 AM, Michael Brockington mbrock321@... [Avid-L2] wrote:
 

This might not be true any longer, Terry.  I was testing render in-to-out the other day, on a dual 6-core, and it looked like CPU usage was above 1000 %.  You've got me wondering, though; I'll double-check it today.

On 2015-06-11 6:23 AM, tcurren@... [Avid-L2] wrote:
 

MC isn't using multiprocessors. ASFAIK the only process in MC land that does is the transcode process as that is newer code outside of MC.






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Posted by: namyrb <namyrb@gmail.com>
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Posted by Video Geek Squad at 2:47 PM 0 comments

Re: [Avid-L2] Re: Symphony 6.5.x only using Cpu 100% During Video Mixdown?

 

My understanding is that in Activity monitor when the CPU reads 200% that means it's using two cores worth of processing.  300% would be 3 cores worth of CPU.  1800% would be 18 cores worth.  Even though there are 12 cores there are 24 virtual cores as each core shows two cores in activity monitor.  I don't recall if the two cores per actual core is "Hyper Threading or Threading or some other term."  Perhaps someone can clarify the proper nomenclature.

I agree about the rendered sequence and I think that is why my initial observation of my rendered sequence mix down was only 100%.



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


That makes no sense, a rendered sequence (if the codecs are the same) requires close to zero CPU as it's just a copy command.
Btw, what kind of Lingo devaluation has Apple invented for 100%?
If Namyr is running 1800%, that is more than double plus good.
(And that's not the only comparison between 1984 and Apple that can be made....)
 
My Win box runs all cores, if it needs to render or transcode.
(That means, also on a mixdown if that's involved. Same codec mixdown is a plain copy, and as expected, close to zero CPU)
 
Bouke
 
VideoToolShed
van Oldenbarneveltstraat 33
6512 AS  NIJMEGEN, the Netherlands
+31 24 3553311
----- Original Message -----
Sent: Friday, June 12, 2015 2:44 AM
Subject: Re: [Avid-L2] Re: Symphony 6.5.x only using Cpu 100% During Video Mixdown?

 

Is your sequence already rendered before mixing down?  I think that might have been a factor on my sequence.



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

Could be just a 6.5 thing.  I'm on 8.3.1 and mixing down to prores using %1800+ CPU on a dual 6 core mac pro.

On Thu, Jun 11, 2015 at 9:16 AM, jfriend jfriend@... [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
 

There may be some confusion here between multiple "processes" (separate sw executables) and a process utilizing multiple "processors" (multiple hw CPUs). For example, MC and background transcode are separate sw processes, both/either may utilize multiple hw processors/CPUs.



On 6/11/15 11:46 AM, Michael Brockington mbrock321@... [Avid-L2] wrote:
 

This might not be true any longer, Terry.  I was testing render in-to-out the other day, on a dual 6-core, and it looked like CPU usage was above 1000 %.  You've got me wondering, though; I'll double-check it today.

On 2015-06-11 6:23 AM, tcurren@... [Avid-L2] wrote:
 

MC isn't using multiprocessors. ASFAIK the only process in MC land that does is the transcode process as that is newer code outside of MC.






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Posted by: bigfish@pacbell.net
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Posted by Video Geek Squad at 10:59 AM 0 comments

Re: [Avid-L2] Re: Symphony 6.5.x only using Cpu 100% During Video Mixdown?

 



That makes no sense, a rendered sequence (if the codecs are the same) requires close to zero CPU as it's just a copy command.
Btw, what kind of Lingo devaluation has Apple invented for 100%?
If Namyr is running 1800%, that is more than double plus good.
(And that's not the only comparison between 1984 and Apple that can be made....)
 
My Win box runs all cores, if it needs to render or transcode.
(That means, also on a mixdown if that's involved. Same codec mixdown is a plain copy, and as expected, close to zero CPU)
 
Bouke
 
VideoToolShed
van Oldenbarneveltstraat 33
6512 AS  NIJMEGEN, the Netherlands
+31 24 3553311
----- Original Message -----
Sent: Friday, June 12, 2015 2:44 AM
Subject: Re: [Avid-L2] Re: Symphony 6.5.x only using Cpu 100% During Video Mixdown?

 

Is your sequence already rendered before mixing down?  I think that might have been a factor on my sequence.



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

Could be just a 6.5 thing.  I'm on 8.3.1 and mixing down to prores using %1800+ CPU on a dual 6 core mac pro.

On Thu, Jun 11, 2015 at 9:16 AM, jfriend jfriend@... [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
 

There may be some confusion here between multiple "processes" (separate sw executables) and a process utilizing multiple "processors" (multiple hw CPUs). For example, MC and background transcode are separate sw processes, both/either may utilize multiple hw processors/CPUs.



On 6/11/15 11:46 AM, Michael Brockington mbrock321@... [Avid-L2] wrote:
 

This might not be true any longer, Terry.  I was testing render in-to-out the other day, on a dual 6-core, and it looked like CPU usage was above 1000 %.  You've got me wondering, though; I'll double-check it today.

On 2015-06-11 6:23 AM, tcurren@... [Avid-L2] wrote:
 

MC isn't using multiprocessors. ASFAIK the only process in MC land that does is the transcode process as that is newer code outside of MC.






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Posted by: "Edit B" <bouke@editb.nl>
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Posted by Video Geek Squad at 3:29 AM 0 comments

Thursday, June 11, 2015

[Avid-L2] An inherited project with no tape numbers

 

I just started work on a new project that had just been moved from FCP to Media Composer and when I saw there were no tape numbers, I assumed it was a product of the transfer.  But it turns out there were never any tape numbers assigned - some of the media was from tape, some file based.  I've been sorting the material for the last week and now I need to assign numbers, somewhat arbitrarily.  Disk labels seem to be the easiest route, but I'm not clear how "binding" they are in terms of linking back to the original files.  Would this work out or should I assign actual source names to the clips?  


All the material is AMA at the moment, but I plan on transcoding once the numbers are assigned.  


Thanks.  

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Posted by Video Geek Squad at 5:50 PM 0 comments

Re: [Avid-L2] Re: Symphony 6.5.x only using Cpu 100% During Video Mixdown?

 

Is your sequence already rendered before mixing down?  I think that might have been a factor on my sequence.



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

Could be just a 6.5 thing.  I'm on 8.3.1 and mixing down to prores using %1800+ CPU on a dual 6 core mac pro.

On Thu, Jun 11, 2015 at 9:16 AM, jfriend jfriend@... [Avid-L2] <Avid-L2@yahoogroups.com> wrote:
 

There may be some confusion here between multiple "processes" (separate sw executables) and a process utilizing multiple "processors" (multiple hw CPUs). For example, MC and background transcode are separate sw processes, both/either may utilize multiple hw processors/CPUs.



On 6/11/15 11:46 AM, Michael Brockington mbrock321@... [Avid-L2] wrote:
 

This might not be true any longer, Terry.  I was testing render in-to-out the other day, on a dual 6-core, and it looked like CPU usage was above 1000 %.  You've got me wondering, though; I'll double-check it today.

On 2015-06-11 6:23 AM, tcurren@... [Avid-L2] wrote:
 

MC isn't using multiprocessors. ASFAIK the only process in MC land that does is the transcode process as that is newer code outside of MC.




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Posted by: bigfish@pacbell.net
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Posted by Video Geek Squad at 5:44 PM 0 comments
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