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Converting Rail Announcement Files

polskism

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7 Sep 2023
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96
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Harrow
Does anyone know a way to convert pcc files, such as the Piccadilly Line files into mp3s or wavs? Thanks.
 
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stadler

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5 Jun 2023
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Horsley
We have been trying to convert these files for over five years since TFL first released them. As mentioned i think jonny5532 has gotten the closest. He got some very muffled sound out of them. But we have been unable to get any further than that.

If anyone on this forum wants to have a go at converting them this is the link to the .pcc files that TFL released:


The only information we have about these is what TFL have said as follows:

"The announcements are stored on a PCMCIA flash memory card that fits into the old Whiteley’s Electronics equipment. We can read these cards using an Omni Drive USB device, but only a .PCC file can be retrieved from the card. This .PCC file is created by a DABS Editor. From this we can view and play the announcements."

As mentioned on the other thread some softwares (such as freefileviewer which i had used here) it will show what looks to be the individual sound files within the .pcc file. I am not really an expert at this stuff but i am guessing these are all of the sound files showing the bytes. This is a few examples of what it shows:

Screenshot 2023-09-09 153555 (1).png

Screenshot 2023-09-09 153630 (1).png

Screenshot 2023-09-09 153652 (1).png

Screenshot 2023-09-09 153718 (1).png

But we can not seem to get any further than this and access them or find out how to convert them.

If anyone on here has any information on accessing and converting .pcc files that would be hugely appreciated.
 

Bevan Price

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22 Apr 2010
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8,316
Very odd.
.pcc is a graphics file format, not an audio file......
Hardly surprising that you are finding it hard to convert it.
 

MrJeeves

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But we can not seem to get any further than this and access them or find out how to convert them.
FYI, you're opening the zip in that file viewer rather than the file itself ;)

I recommend HxD which has essentially the same interface as that with some extra features, and is (also) totally free.

Very odd.
.pcc is a graphics file format, not an audio file......
Hardly surprising that you are finding it hard to convert it.
Well, .pcc is simply the file extension provided by TfL/KeTech. It has no bearing on the actual file format. .seg files were used in some game, but I don't think KeTech took inspiration from DayZ when creating their CIS with Phil Sayer and Celia Drummond!
 

cduncan

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19 Feb 2025
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London
Didn't know you were still working on getting them to work! Seems it all paid off in the end. Will have a proper listen later on.
 

MrJeeves

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Didn't know you were still working on getting them to work!
I wasn't until last night...

And I can't say I can take much credit other than berating an emotionless large language model through the night to try hundreds of things until it found something that worked!
 

Kilopylae

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9 Jan 2018
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Uxbridge (ex Devon)
I didn't know about the .pcc saga until this evening, so reading the last thread and this one has been an epic narrative! Exciting to see that it has a good ending.
 

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