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Subject: Re: Voice Recorder Chip?
References: <firstname.lastname@example.org> <3E0392DD.email@example.com>
Date: Sat, 21 Dec 2002 07:42:40 GMT
NNTP-Posting-Date: Sat, 21 Dec 2002 18:42:40 EST
Organization: BigPond Internet Services (http://www.bigpond.net.au)
Pick any of the ISD chips with an 8kHz sampling rates. These are alwasy
the lowest recording time versions in each family. For example the 2560
has a sampling rate of 8kHz and a filter passband of 3.4kHz. This should
be adequate. Quality is very good. The ISD1416 has similar
characteristics, but less storage capacity (16 secs). Again this should
be plenty. If you want 2560's I've got around 90 hanging around in DIP
and SOIC, you're welcome to a couple.
Jim Thompson wrote:
> On Fri, 20 Dec 2002 21:59:58 GMT,
> Rick Merrill ,
> In Newsgroup: alt.binaries.schematics.electronic,
> Article: <3E0392DD.firstname.lastname@example.org>,
> Entitled: "Re: Voice Recorder Chip?",
> Wrote the following:
> |Jim Thompson wrote:
> |> Can someone point me toward a Voice Recorder/Playback Chip. I need
> |> the capability for about 2 seconds of HIGH quality recording.
> |You can get one at RadioShack.
> |I think it has about 5 seconds.
> |How "high" quality did you want?
> I need to accurately record about 2 seconds of 1200 baud (1200/2200)
> ...Jim Thompson
> | James E.Thompson, P.E. | mens |
> | Analog Innovations, Inc. | et |
> | Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
> | Phoenix, Arizona Voice:(480)460-2350 | |
> | Jim-T@analog_innovations.com Fax:(480)460-2142 | Brass Rat |
> | http://www.analog-innovations.com | 1962 |
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