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BWF Mixdown?


codyman

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I've been using an Tascam HS-P82 recorder which for my purposes has been serving me fantastically, HOWEVER, I've run into a bit of a wall in terms of an editors request.  The editor wants a mono mixdown on Channel 1 of my BWF's followed by all my ISO tracks.  Unfortunately it seems that the HS-P82 can make an LR mixdown (separate file), but you cannot "route" a mixdown to a channel embedded in the created BWF.  I know that I could use Wave Agent to merge files, however, two days of the shoot have gone by (I asked the editor if they needed anything special and he failed to mention the mixdown track until later) so i'm now stuck with all my takes WITHOUT a mixdown of some sort.

 

Is there some workflow / software that I could take my polyphonic WAV files and create a mixdown, then route that mixdown to a new BWF that would put that mono mixdown to track 1?

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I've been using an Tascam HS-P82 recorder which for my purposes has been serving me fantastically, HOWEVER, I've run into a bit of a wall in terms of an editors request. The editor wants a mono mixdown on Channel 1 of my BWF's followed by all my ISO tracks. Unfortunately it seems that the HS-P82 can make an LR mixdown (separate file), but you cannot "route" a mixdown to a channel embedded in the created BWF. I know that I could use Wave Agent to merge files, however, two days of the shoot have gone by (I asked the editor if they needed anything special and he failed to mention the mixdown track until later) so i'm now stuck with all my takes WITHOUT a mixdown of some sort.

Is there some workflow / software that I could take my polyphonic WAV files and create a mixdown, then route that mixdown to a new BWF that would put that mono mixdown to track 1?

You can make a mixdown in WaveAgent split/combine if the tc starts of all the files are the same, or you could put the files in a DAW and mix down. You could give up an iso track, have your L/R mix be all mono and externally route one chan back around into that track's input having taken it off the mix bus. Or you can explain to the editor that your mix is a separate file from your isos with identical TC and appropriately named and that's what you can do for him.

philp

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I guess Codyman is looking for some sort of Batch process that the Editor could run all his existing poly wavs through - split files, mix the isos at a fixed level, and recombine into a new poly wav. Sample Manager from Audiofile Engineering (mac only) can do that - however I can't tell you what would happen to the timecode stamp. I use it regularly for working on Poly Wavs, but not as part of a Location Sound workflow, so TC stamp isn't an issue for me.

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I found a solution.  DBpoweramp (pro version) can read BWF files, do a mixdown, yet retain the BWF file info.  It also is a batch converter and even on my old PC laptop from 5+ years ago (I am exclusively mac these days), it converted quickly and I was able to mux it into channel 1 via Wav Agent.

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I found a solution.  DBpoweramp (pro version) can read BWF files, do a mixdown, yet retain the BWF file info.  It also is a batch converter and even on my old PC laptop from 5+ years ago (I am exclusively mac these days), it converted quickly and I was able to mux it into channel 1 via Wav Agent.

Interesting thanks for the information. I'll give it a try.

I'm going to see if it can or if not ask if it can be made to, strip two channels out of a poly broadcast wave to make an MP3 with timecode in the ID3 tag for transcription as it seems to be most of the way there with a big step made by retaining BWF metadata?

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I don't know if it would be able to embed timecode info into the ID3 tag as I've never heard of something doing that before, but the program seemed pretty versatile / glad I have it now.

I tried and it can't. I was just looking for a simpler way of delivering timecoded transcription files than what I have to do sometimes -

1. Split poly wavs - Wave Agent Mac

2. Combine 2 of those split tracks to two track poly - Wave Agent Mac

3. Bring 2 track poly in to BWF Widget (Windows) and make a timecoded MP3 with timecode in the ID3 tag

4. upload MP3's to server

It's horribly convoluted at the end of a long day. :(

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I tried and it can't. I was just looking for a simpler way of delivering timecoded transcription files than what I have to do sometimes -

1. Split poly wavs - Wave Agent Mac

2. Combine 2 of those split tracks to two track poly - Wave Agent Mac

3. Bring 2 track poly in to BWF Widget (Windows) and make a timecoded MP3 with timecode in the ID3 tag

4. upload MP3's to server

It's horribly convoluted at the end of a long day. :(

 

Would an AAC file in an M4A container be OK?  I know that M4A metadata is a little more flexible (for instance, it can do chapters etc.)

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