Re: Recording sound on chip

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Article #16754

#16754

From: Joseph Chiu
Date: Tue, 26 Jan 1993 20:52

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sivaram@hplabsz.hpl.hp.com (S. Sivaramakrishnan) writes:

>I am looking for a cheap method to record and playback about 15 seconds of
>sound on a chip.

>The whole setup, I GUESS, will comprise:
>1) A microphone
>2) An A/D converter that digitizes the sound
>3) A unit that accepts the commands "record" and "playback"
>4) Some memory that holds the sound image
>5) A D/A converter to generate an analog signal
>6) A speaker for playback
>7) Power supply

>Does a chip that has most/all the features except the power supply exist?

If this is not a one-time-only project, contact OKI Semiconductors.  They
have "one-chip-solutions" to stored speech.


-- 
Joseph Chiu, Dept. of Computer Science, Caltech.    josephc@coil.caltech.edu
1-57 California Institute of Technology, Pasadena, CA 91126. +1 818 449 5457 
*    Now running OS/2, Windows, DOS, and UNIX (okay, well, maybe not...)   *

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From: josephc@cco.caltech.edu (Joseph Chiu)
Newsgroups: sci.electronics
Subject: Re: Recording sound on chip
Date: 26 Jan 1993 20:52:36 GMT
Organization: California Institute of Technology, Pasadena
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