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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...)