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ryansbeal
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 Posted: Tue Dec 06, 2005 11:46 am Post subject: Help with Phone system format |
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Hey gang.
I've got a phone system I'm recording and they what it in the following format.
WAV - Mono at 128 KBPS and 6 Thousand KHZ
I use Sony Sound Fordge 7 and I do not see those settings. Any thoughts? I've got to recored this tonight and send them the files tommarrow.
Thanks
Ryan
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Philip Banks
Je Ne Sais Quoi
Joined: 20 Jun 2005
Posts: 11082
Location: Portgordon, Scotland
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| Posted: Tue Dec 06, 2005 11:54 am Post subject: |
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| In the window where you select the rate is it possible to type in 6000 as opposed to use one of the options. I just tried it and it worked. |
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ryansbeal
Guest
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| Posted: Tue Dec 06, 2005 12:21 pm Post subject: |
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Wow looks like it took. I see if the customer cna use that. Or the best I can to is 8k.
thanks
Ryan |
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dscott
Contributor IV
Joined: 26 Jun 2005
Posts: 104
Location: Russellville, KY
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| Posted: Tue Dec 06, 2005 12:37 pm Post subject: sample rate vs frequency response |
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The general rule of thumb (or ear) is to sample double the frequency you want. Since the telephone's frequency reange is about 200 -to- 4000Hz the max you would need is 8000 for a sample rate. Of course fewer samples mean smaller files.
I ran across this link you may find interesting...
http://www.ee.washington.edu/conselec/CE/kuhn/audio/95x3.htm
Don't worry to much about the fancy math stuff! The charts are cool and helpful especially
http://www.ee.washington.edu/conselec/CE/kuhn/audio/95x35.gif
Good luck on your recordings!
Cheers!
Dave |
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ryansbeal
Guest
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| Posted: Tue Dec 06, 2005 12:56 pm Post subject: |
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| Great info, Thanks Ryan |
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