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Author Topic: Saving EP tapes to PC sound files (Read 6547 times)

Offline Bagpuss22

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Saving EP tapes to PC sound files
« on: 2007.January.04. 03:26:33 »
Z,

I have placed the MP3 files you wanted for the Level 9
software in the downloads section.. :lol:


Admin,

Sorry if I was not supposed to do that. :oops:

Regards

Russ P.   :razz:
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Offline Zozosoft

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Saving EP tapes to PC sound files
« Reply #1 on: 2007.January.04. 09:14:53 »
Quote from: Bagpuss22 on 2007.January.04. 03:26:33
I have placed the MP3 files you wanted for the Level 9
software in the downloads section.. :lol:
Thanks! At the evening I will try load to EP.
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Offline MrPrise

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Saving EP tapes to PC sound files
« Reply #2 on: 2007.January.04. 11:40:35 »
Quote from: Bagpuss22 on 2007.January.04. 03:26:33
Admin,
Sorry if I was not supposed to do that. :oops:
No problem. You (and the other members) can do that. Basically everything is free to do what you can do ;-) But if you are able to delete everything please let me know before you want to do that :-)
« Last Edit: 2007.January.04. 21:51:34 by MrPrise, Reason: Creating a new category is easier now »
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Offline Zozosoft

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Saving EP tapes to PC sound files
« Reply #3 on: 2007.January.04. 20:48:50 »
I tryed to load the MP3 files, but not work :-(
*** cassette CRC error

I think because the files only in 128 kbps format. Previously I writed 320 kbps needed.
Do you have the original wav files? Can you save in 320 kbps format?

Demonstrating the signal distortion:
Original Enterprise tape sound wave form:

Wave form after converting to 320 kbps MP3

Wave form after converting to 128 kbps MP3

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Offline MrPrise

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Saving EP tapes to PC sound files
« Reply #4 on: 2007.January.04. 20:56:38 »
What about the OGG? I read it provides better quality than MP3.
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Offline Bagpuss22

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Saving EP tapes to PC sound files
« Reply #5 on: 2007.January.04. 21:01:18 »
I have a DIgital Compact Cassette (DDC) Deck that might be better as I can take the
signal optically into my PC..... ;-)

I will have a look at what I have and then try again.....

Regards

Russ P.  :)
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Offline Zozosoft

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Saving EP tapes to PC sound files
« Reply #6 on: 2007.January.04. 21:11:03 »
Quote from: Bagpuss22 on 2007.January.04. 21:01:18
I have a DIgital Compact Cassette (DDC) Deck
It is optimised for music recording?
Wave form in Return To Eden MP3:

Hard to recognize the original square form :-(
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Offline szipucsu

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Saving EP tapes to PC sound files
« Reply #7 on: 2007.January.04. 21:43:20 »
Isn't there any audio format which is specialised for square wave?
Is for ex. wma format inconvenient to this purpose?

Zozosoft's waveform pictures are interesting. What about overdriving the 128kbps MP3 wave to gain square wave? I think square waves can be overdriven and the pitch doesn't change...

Well, I haven't written to the English topic yet, greetings to the not Hungarian fans! :)
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100 SOUND SOURCE 3,STYLE 16,LEFT 16,RIGHT 64,SYNC 2
110 SOUND SOURCE 2,STYLE 128,PITCH 25.2,SYNC 2
120 SOUND PITCH 25,SYNC 2
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Offline Zoldalma

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Saving EP tapes to PC sound files
« Reply #8 on: 2007.January.05. 07:58:39 »
Quote from: szipucsu on 2007.January.04. 21:43:20
Isn't there any audio format which is specialised for square wave?
Is for ex. wma format inconvenient to this purpose?

Zozosoft's waveform pictures are interesting. What about overdriving the 128kbps MP3 wave to gain square wave? I think square waves can be overdriven and the pitch doesn't change...

I've tried to do that, but unfortunately it didn't succeed, at least it's not this simple. But on the other hand, based on the original specifications of the Enterprise tape format , it should be possible to use 8 kHz, 8-bit mono WAV files, which equals to 64 kbps uncompressed data rate. I do not dare to say that it'll work for sure (I cannot try it, due to lack of an Enterprise :-( ).
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Offline geco

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Saving EP tapes to PC sound files
« Reply #9 on: 2007.January.05. 12:17:57 »
Quote from: Zoldalma on 2007.January.05. 07:58:39
I've tried to do that, but unfortunately it didn't succeed, at least it's not this simple. But on the other hand, based on the original specifications of the Enterprise tape format , it should be possible to use 8 kHz, 8-bit mono WAV files, which equals to 64 kbps uncompressed data rate. I do not dare to say that it'll work for sure (I cannot try it, due to lack of an Enterprise :-( ).
It should work, few years ago I made a backup copy from all my tapes, the programs were loaded into BAM-Copy, then saved into PC in 8kHz 8-bit mono Wav format.
I could successfully load them into EP.
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Offline szipucsu

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Re: Saving EP tapes to PC sound files
« Reply #10 on: 2007.January.06. 00:14:21 »
Quote from: geco on 2007.January.05. 12:17:57
It should work, few years ago I made a backup copy from all my tapes, the programs were loaded into BAM-Copy, then saved into PC in 8kHz 8-bit mono Wav format.
I could successfully load them into EP.
Can they be compressed? Maybe into mp3 not... Maybe the flac lossless codec can be used...

It's interesting that the EP recognised Geco's archieve, because some time I recorded EP's digi music into maybe 11Khz format wav file and into 44Khz too, but the 44KHz had a better quality, though EP produced only 8KHz music... Interesting...

I think 16 bit wav records of EP tape signal are more secure than 8 bit ones... At least, I think...
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100 SOUND SOURCE 3,STYLE 16,LEFT 16,RIGHT 64,SYNC 2
110 SOUND SOURCE 2,STYLE 128,PITCH 25.2,SYNC 2
120 SOUND PITCH 25,SYNC 2
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Offline WallyGR

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Re: Saving EP tapes to PC sound files
« Reply #11 on: 2007.May.03. 14:19:43 »
I do not know,if it helps but...in Spectrum I just convert the .wav to 160kbps,mono .mp3 and it loads perfectly
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Offline SlashNet

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Re: Saving EP tapes to PC sound files
« Reply #12 on: 2008.August.19. 17:24:30 »
I converting .WAVes to mp3 (250 kbps) - it works.
I successfully loading games.

(TAPE speed was normal)
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