Avid Pro Audio Community

Avid Pro Audio Community

How to Join & Post  •  Community Terms of Use  •  Help Us Help You

Knowledge Base Search  •  Community Search  •  Learn & Support


Avid Home Page

Go Back   Avid Pro Audio Community > Pro Tools Post Production > Post - Surround - Video

Reply
 
Thread Tools Search this Thread Display Modes
  #11  
Old 02-18-2004, 10:42 AM
Richard Fairbanks Richard Fairbanks is offline
Member
 
Join Date: Dec 1969
Location: New York, NY
Posts: 1,861
Default Re: to BWF or not to BWF - that is the question

Yes, I've seen 5.1 do that too! I believe there is a bug in 5.1 which does not handle the file renaming properly. Since extensions are added to the filenames, and the names may contain wav-illegal characters, some renaming takes place during a Save Session Copy in.

I have not experienced the bug with 5.3, only with 5.1 (all variations). I have also been trying to remember to turn on mac/pc enforcement from the get go, which may be one reason I've had less trouble with 5.3 I do not require the editors working here to use it, but I always import their tracks into a final session, to take care of any possible mixed file formats and naming problems. I should have mentioned that in my previous post.
__________________
Call me by my real name, "Postman"
Reply With Quote
  #12  
Old 02-18-2004, 11:59 AM
ricren ricren is offline
Member
 
Join Date: Jan 2002
Location: Buenos Aires
Posts: 207
Default Re: to BWF or not to BWF - that is the question

Quote:
. I tried to do a finder copy of the source session to another disk and do the export from there, but still BWF wouldn't work. Any ideas ?
If this is of some help, I just tried a very complex session in Aiff format/16bits/PT6.2.3/PC compatibility enforced and it converted to BWF without any noticeable problems.

cheers

®®
Reply With Quote
  #13  
Old 03-15-2004, 02:07 AM
Simon Magus Simon Magus is offline
Member
 
Join Date: Feb 2001
Location: ROMA ITALIA
Posts: 140
Default Re: to BWF or not to BWF - that is the question

Quote:
I still have the feeling that SDII is the most compatible PT format.

But my friend use Windows XP, and AVID Xpress DV. So... no SDII !!!!!
But I need OMF in sd II 'cause digitranslator 2 is buggy. So I want to use OMF TOOL, but this free piece of software use only SD II.
And now... ???

Simone Corelli
__________________
Simon Magus
audio eng. in Rome, Italy
Reply With Quote
  #14  
Old 03-15-2004, 11:45 AM
benderbro benderbro is offline
Member
 
Join Date: Dec 1969
Location: Fairfield, CT USA
Posts: 254
Default Re: to BWF or not to BWF - that is the question

What about recovering files that are accidently deleted etc? I know that most data recovery methods have a tough time finding SDII files. Are AIFF and WAV easier to deal with in this repect?
__________________
"this guitar won't play that"
Reply With Quote
  #15  
Old 12-14-2004, 04:43 PM
41217 41217 is offline
Member
 
Join Date: Nov 2003
Posts: 205
Default Re: to BWF or not to BWF - that is the question

Hi im from the LE camp & was trying to find info on bouncing BWF files with Meta-Data(BEXT)

In 'Get Info...' under the File menu, is this where my BEXT TXT can go!?!

Also can anyone point me towards a Chunk viewer for the Mac (Ive come across a free one at
http://www.sr.se/utveckling/tu/bwf/ but its for windows only)

I would be grateful for any help!
Reply With Quote
  #16  
Old 12-14-2004, 05:17 PM
Andrew B75 Andrew B75 is offline
Member
 
Join Date: Oct 2004
Location: USA
Posts: 62
Default Not one but many

Hello:

>Is the post-community adopting broadcast wave now?
>Are you all using .wav or .bwf files these days?
>If not, why?

The post community will always have to deal with a variety of formats. While it would be nice to have one audio file type, in reality post deals with a variety of formats. Too many systems to deal with...but no big deal. Audio file types aren't that much of a problem, it's easy to change a pool to conform to one audio file type, and do it quickly.

Broadcast Wave Format usually ends in *.wav....at least that is what I see.

I have never seen *.bwf

When you slice and dice wave files in your project move them around...etc... you may not be using the time stamp, so it wouldnt make a difference if it was Microsoft WAVE .wav or BWF .wav. Keeping the pool in the same format ie. BWF or SDII is the ideal thing.

AIFF seems to be popular among picture editors, so that will still be kicking around. SDII has just become pure habit for many people, and it's fine in the MAC world. SDII is required for working in a post facility using digital dubbers at the theatre and Pro Tools MAC in editorial.

If it ever becomes a problem just do a SAVE SESSION COPY IN, and change the file type.

For delivery: Ask people what they need.

The nice thing about BWF is it can easily be moved between PC and MAC.
Reply With Quote
  #17  
Old 12-15-2004, 03:17 AM
41217 41217 is offline
Member
 
Join Date: Nov 2003
Posts: 205
Default Re: Not one but many

Sorri im confused..You said you havnt seen BWF but its in the options when creating a session, its mostly used for Archiving!Also when bouncing a file to disk, it is its relative position on the grid that is the Timestamp(but thats only for moving the file from one programme to another)

Heres as much info as i know!!!


[/QUOTE] A BWF file is really just a small customisation of a WAV file. WAVs (and =BWFs) are examples of "RIFF" files which allow for a number of data ="chunks" inside the file alongside the regular "audio" sample data.
A BWF (generally ) has a .WAV extension, and WAV players should ignore =any custom data chunks and play it as if it were a normal WAV.
The "metadata" chunk inside a BWF is called the "bext" chunk. So a BWF is a WAV file that's got the extra bext chunk (and no other difference)
There can another plain text field called "originator reference", but in =recent years most BWF implementers have reserved this field to be used =for a "Unique ID" - a random number that's used to distinguish one file =from another. The UID scheme is a EBU recommendation that came along a =littlie while after the BWF spec was drawn up, so there are some =implementations that allow it to be used for free text.You might want to consider =the use of this in any archiving scheme as some applications in the =future will use it as a unique ID, and if you put other data in there, =it may confuse a reading application (i.e. if two distinct files have =the same metadata in this field, a BWF may confuse them). [QUOTE]

There's a Swedish Broadcast site http://www.sr.se/utveckling/tu/bwf/ =which has some links to the spec. Also an invaluable and free BWF reader =called CHUNK.EXE which allows you to look at the bext data.(Im looking for a Mac version of a CHUNK viewer so i can view the BEXT outside of Protools)

Im sorry but i have to reiterate my question - In 'Get Info...' under the File menu, is this where my BEXT TXT can go!?!

Thanks for any help:)
Reply With Quote
  #18  
Old 12-15-2004, 04:17 AM
Frank Kruse Frank Kruse is offline
Member
 
Join Date: Dec 2002
Location: old europe
Posts: 5,445
Default Re: to BWF or not to BWF - that is the question

the BEXT chuck can not be seen in the info window. you will need the digibase (not included in LE I guess) to view additional BWAV info.

BTW the extension .bwf is often used by non linear laocation recorders like the Deva II.

Unfortunately Digi doesn´t offer much info on metadata in the Digibase. This really is a shame because every modern avid has all the info about a sound file stored in it´s metadata. every aiff or BWAV that comes from an avid contains info about tape-number, source tc etc. etc. this info even survives an OMF transfer but unfortunately PT isn´t able to show the info.

This is something they shold really change.

frank.
__________________
PTHDn 2019.10 (OSX10.14.6), 8x8x8, MacPro 5,1 3.33Ghz 12-Core, BM DeckLink SDI, SYNC HD, all genlocked via AJA GEN10, 48GB RAM
Reply With Quote
  #19  
Old 12-15-2004, 04:51 AM
41217 41217 is offline
Member
 
Join Date: Nov 2003
Posts: 205
Default Re: to BWF or not to BWF - that is the question

Quote:
the BEXT chuck can not be seen in the info window. you will need the digibase (not included in LE I guess) to view additional BWAV info.
What info window are you referring to, File menu-Get Info???
???(sorri ive asked this question soo many times & still havnt got a direct answer)

Even if i cant look at it on a Mac i can still use the free chunk viewer i found for Windows!!!
Im NOT trying to view the BEXT within protools, im archiving & want to bounce stereo BWF's with metadata! & for my own sake be able to view the metadata afterwards so i know what im doing is right



[/QUOTE]BTW the extension .bwf is often used by non linear laocation recorders like the Deva II..

[/QUOTE]

BWF can be used for a number of purposes i know,im just refering to what it is... but thanks:)
I appreciate your help-
Aido
Reply With Quote
  #20  
Old 12-15-2004, 05:05 AM
Frank Kruse Frank Kruse is offline
Member
 
Join Date: Dec 2002
Location: old europe
Posts: 5,445
Default Re: to BWF or not to BWF - that is the question

here´s chunk reader:

http://www.metaflow.info/ixml/iXML.app.hqx


it´s specialized on the new iXML format but I think it shows the regular stuff too (not sure)

and yes I was talking about the info window (apple-I) in the finder.

frank.
__________________
PTHDn 2019.10 (OSX10.14.6), 8x8x8, MacPro 5,1 3.33Ghz 12-Core, BM DeckLink SDI, SYNC HD, all genlocked via AJA GEN10, 48GB RAM
Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
fruity loops in pro tools question...not regular rewire question nutrinoland 003, Mbox 2, Digi 002, original Mbox, Digi 001 (Win) 1 04-23-2010 01:39 PM
quick question - Mbox Mini question - i forget JRup 003, Mbox 2, Digi 002, original Mbox, Digi 001 (Win) 4 10-18-2009 03:55 PM
Another optical expansion question question for boffins Che_Guitarra 003, Mbox 2, Digi 002, original Mbox, Digi 001 (Mac) 0 04-24-2008 12:21 AM
General Venue Automation Question - (Maybe dumb question) TwoPort VENUE Live Sound Systems 5 12-21-2007 03:41 PM
Chipset Question/Hard Drive Question andrewkstone 003, Mbox 2, Digi 002, original Mbox, Digi 001 (Win) 10 07-26-2006 09:15 AM


All times are GMT -7. The time now is 10:52 PM.


Powered by: vBulletin, Copyright ©2000 - 2008, Jelsoft Enterprises Limited. Forum Hosted By: URLJet.com