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awb1989
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Quote awb1989 Replybullet Topic: digitalization
    Posted: 11 July 2006 at 7:37am
sorry, i'm not really sure which forum to put this in, or if it even fits in here at all... but i'm wondering about the process you use to digitalize the audio?  I'm interested in digitalizing a danish audio course I have, but it can be only for personal use, it's not FSI, so I unfortunately can't share it online or anything..... but i'm still curious about how to digitalize it for personal use.  thanks

Edited by awb1989 - 11 July 2006 at 7:37am
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gdfellows
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Quote gdfellows Replybullet Posted: 11 July 2006 at 5:51pm

I have a stereo cassette deck connected to the input of my computer sound card.  I use Sony Sound Forge Audio Studio for the digitizing and processing.  It will create an audio file from whatever sound source is playing through the sound card.

 

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bamboo
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Quote bamboo Replybullet Posted: 11 July 2006 at 9:58pm

As an alternative for digitizing audio is the software Audacity.  It is open sourced freeware and can be downloaded from http://audacity.sourceforge.net/.  I've used it to digitize all my language cassette tapes.  It support multiple operating systems and multiple audio formats.  For mp3, it uses the lame mp3 codec.

For editing the mp3 tags, I've used The Godfather http://users.otenet.gr/~jtcliper/tgf/ which is freeware.

 

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TheBigZaboon
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Quote TheBigZaboon Replybullet Posted: 06 August 2006 at 11:07pm

bamboo,

Will Audacity convert from CD audio format to mp3? I downloaded a copy after reading your post. I understand that you use it to convert tapes to mp3, but will it convert CD audio as well?

 

Thanks.

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Sir Nigel
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Quote Sir Nigel Replybullet Posted: 08 August 2006 at 3:29pm
I'm not too sure, but I use Quintessential Player and it will convert CDs to either .wav or .mp3 for free.
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TheBigZaboon
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Quote TheBigZaboon Replybullet Posted: 08 August 2006 at 10:06pm

Sir Nigel,

Thanks for the reply, and the advice.

I think I have answered my own question: I tried Audacity with a CD, and it informed me that it does not read from audio CDs. It also told me that I have to find a ripper to read from a CD. I will be trying it later today, or later in the week, attempting to digitize from tapes to mp3. After that, I will try the software recommended by Sir Nigel to copy from CDs to disk, and then to mp3.

Thanks again.

TBZ

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BookCat
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Quote BookCat Replybullet Posted: 21 August 2006 at 3:55pm
If you have a Mac, Amadeus II works really well. It has quite a few options as to format, too, including MP3.

HTH
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r438
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Quote r438 Replybullet Posted: 03 September 2006 at 1:44pm
I'm starting the digitalization of Saudi Arabic.  Any suggestions for removing the tape hiss in the background?  I have a cassette deck connected to my sound card, and read in with Audacity.  I'm reading where the volume-in is as high as possible without clipping it. 

However, there is some white noise (tape hiss).  I compared to some of the other recordings.  There is virtually no background noise in French 13.1 or German 3.1, and there is slightly less than mine in Turkish 31.  Any suggestions for how to remove this hiss?

I tried the Noise removal in Audacity, and it really zeroes out the white noise, but I don't really like how it distorts the speech.  I've also tried playing with a low-pass filter set at 8 kHz, but I don't really hear an improvement.  How exactly were the French and German tapes recorded? 

If I can't improve this, I'll probably just leave the tape hiss in, as it's not terribly distracting. 
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KayElleEm
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Quote KayElleEm Replybullet Posted: 03 September 2006 at 3:13pm
I don't know if it's worth $14.99 to you, but I use Microsoft's Analog Recorder.  It's specifically designed for cleaning up the hiss from cassettes and vinyl records.  I think it does a pretty good job.  You can listen to the Standard Chinese mp3s (Units 5 and 6) to see if that's the quality you want.
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r438
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Quote r438 Replybullet Posted: 04 September 2006 at 9:20pm
thanks - that's for xp, but I'll see if there's a W2K equivalent.   If not, it seems to reduce the hiss a little if I run it twice through a low pass filter at 4500 Hz, so maybe that's what I'll stick with.

Also, anyone know what dpi setting the other pdfs were scanned at?  If I scan at 300 dpi, each page is about 64 KB, much larger than the size of the other documents (German for example is about 10 KB per page.  I'm tempted to just try to OCR the thing and edit.
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