[access-uk] Re: how to extract the soundtrack from a digiTV recording

Hi Pele and CarolThat's very interesting.  Thanks.  Didn't see that key stroke 
anywhere.  Let me know if there are any more, apart from the obvious play, 
stop, pause etc.


---- Original Message ----
From: Ann Hamilton
To: access-uk@xxxxxxxxxxxxx
Sent: Monday, March 24, 2008 5:56 PM
Subject: [access-uk] Re: how to extract the soundtrack from a digiTV

> Carol
> I've not had a go at extracting from Digi yet. Seems like an awful
> faff! (smile). . but if this helps, When listening live to a
> broadcast or a recorded programme, shift right arrow increases the AD
> volume. And, shift left arrow reduces the AD volume.   
> hth
> Ann
> ----- Original Message -----
> From: Carol Pearson
> To: access-uk@xxxxxxxxxxxxx
> Sent: Monday, March 24, 2008 5:40 PM
> Subject: [access-uk] Re: how to extract the soundtrack from a digiTV
> recording 
> Steve,
> I've been looking at this again and it all seems a bit messy and time
> consuming!  ...  I'd sooner play using the video recorder and record
> into GoldWave (using "What you Hear", or whatever the equivalent for
> just getting it through the sound card).  This may well be doable. 
> The problem I have, really, with the whole system is a fault with the
> audio description using Freeview in that it's too low in volume.  (We
> don't have this problem when using Cable.)      
> Now, is there any way you can think of to up the volume of the audio
> description whilst listening (or even recording from that recording)
> using the video recorder?  
> It's all a bit make shift, but I'd like to have something that's a
> bit more workable than just using the video recorder and, at the same
> time, hopefully something that then can be transferred quickly and
> easily to an audio device of my choosing.   
> If anyone else has thoughts on this, please chime in here.
> Cheers.
>> Hi Pele and Carol
>> Here’s how to demultiplex DigiTV recordings to strip away the normal
>> soundtrack and the audio description soundtrack.
>> First, open DigiTV as normal – you may want to mute the sound by
>> pressing the M key so that you can hear the prompts with Jaws or
>> other screen reader.
>> Go into the file menu and down cursor four times to the tools item
>> and press enter.
>> Right cursor twice to get onto the demultiplex tab.
>> Tab four times until you hear browse after the input file prompt.
>> Press the spacebar to get to a normal windows open dialog box.
>> Press shift+tab to get into the file list of your recordings. Cursor
>> down until you hear the name of the file you want to demultiplex. Now
>> tab four times until you land on the open button and press the
>> spacebar. You should hear jaws counting up towards 100%.
>> Now, here’s where things get interesting.
>> You are suddenly thrown back to the main DigiTV screen and wonder
>> where the heck the demultiplex page has gone. However, don’t worry
>> this is a bug in the software and all that has happened is that jaws
>> has lost focus on the page. To return it to the focus, just press
>> alt+tab and the windows will swap around and you’re back in the
>> demultiplex dialog box.
>> Now press tab until you land on the start demux button. Pres the
>> spacebar and you will hear jaws reporting the percentage that DigiTV
>> has demultiplexed the file. This may take one or two minutes
>> depending on the size of the file. However the count never actually
>> reaches 100%, it always appears to end at 99%. Now tab ten times
>> until you land on the exit button and press spacebar and you will get
>> back to the main DigiTV screen.
>> Close down DigiTV.
>> Now open your recordings folder and you will find that there are 3
>> new files, these will be the name of your recording plus 00c0.mp2,
>> 00c1.mp2 and 00e0.m2v.
>> The file ending in 00c0.mp2 is the normal soundtrack, the file ending
>> in 00c1.mp2 is the audio description soundtrack.
>> As I said, you can play the mp2 files in win amp or you can convert
>> them in CDEX to mp3’s.
>> I have been told by Nebula that you can use gold wave to merge the
>> 00c0 and the 000c1 files to give you a complete audio described sound
>> track, but it won’t create the dip in main soundtrack that’s normal
>> when the voice over speaks and consequently it may be slightly
>> difficult to hear distinctly when for example music is being played
>> in the background of the main soundtrack. I haven't tried this myself
>> as I don’t have gold wave and sound forge needs an expensive plug in
>> to work with mp2 files.
>> If you have any trouble with this procedure, just drop me a line and
>> I’ll try and sort you out.
>> Good luck
>> Steve Green

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