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RE: Phones (Re: Lo Fi Looping)



You can achive a similar effect by only allowing a narrow frequency to pass
through a filter.

I believe that telephones have cutoffs at 200 Hz and 3000 Hz, giving it 
that
distinctive sound.

-Nathan

-----Original Message-----
From: David Auker [mailto:DavAuk@Hevanet.com]
Sent: Thursday, August 29, 2002 10:14 AM
To: Loopers-Delight@loopers-delight.com
Subject: OT: Phones (Re: Lo Fi Looping)


I hesitate to ask...a ways off looping topic (but loops sound nice on an
answering machine?  :-)

Anyone have recommendations on a good cordless phone/answering machine
combo?  I picked up a bright silver 2.4GHz Panasonic (KX-TGss57S).    Nice,
BUT... the receiving and sending sound quality is tinny, crappy, sounding
like it's coming through a tunnel.  By comparison, my old AT&T 5450 (which 
I
bought used ten years ago) has a way better audio quality.

Any of you guys been through a similar purchase quest?

Regards,
David A.

 From: "Jon Wagner"
> I've used the ISD chip before and indeed the bandwidth is low.  Its
designed
> for telephone answering machines I believe and the bandwidth is even 
>lower
> than a telephone, also I think 8KHz  is the max sample rate.  The chips I
> tried out are pretty cheap:
>
> ISD1420PISD1420P Voice Record and Playback IC (20sec) $3.20
> ISD2560PISD2560P Voice Record and Playback IC (60sec) $9.95
>(snip...)