gnupic: Need EE/Flash ROM recommendation
Subject:
Re: Need EE/Flash ROM recommendation
From:
"Hotmail" ####@####.####
Date:
4 Nov 2004 09:24:29 +0000
Message-Id: <BAY101-DAV6d28kIN4M00004695@hotmail.com>
Dont know if this is applicable. Ideas in the past I have seen include using
a CDROM drive. Inteface the rom drive and have a pre-burnt CD with all your
sounds on it. Think it was in an Elektor Electronics mag.
Trev
----- Original Message -----
From: David McNab ####@####.####
To: ####@####.####
Sent: Thursday, November 04, 2004 8:55 AM
Subject: Need EE/Flash ROM recommendation
> Hi all,
>
> Hoping to draw some interesting ideas from you experts out there.
>
> The situation is that my project is calling for playing audio samples.
> The need is for a fair amount of reasonable quality audio (say, 32k
> frames/sec @ 8 bits/frame stereo), which calls for a high-capacity ROM -
> say, 4-16Mbit or more.
>
> My idea is to create a bunch of audio samples, including voice, sound
> fx, bits of music etc, and burn them into a ROM
>
> Then, to run pins from the PIC into chained serial/parallel shift
> registers, through to the ROM's address bus. Then, from the ROM's data
> bus to a DAC, and out to an audio amp.
>
> Question - can anyone recommend a good chip to use with the PIC?
> Am I taking a hard road here - is there an easier solution (such as
> 'sample playing' chips with inbuilt DACs and an easy h/w interface?
>
> All ideas appreciated.
>
> --
> Cheers
> David
>
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