Hi pic masters:
Somebody has some suggestion on a circuit that would receive data MP3
from a computer and would reproduce alone, with the aid of a DA
Rodolfo Caproni - Brazil
Please give more details for your application.
Based on the current information, I would say just get a free PC MP3
player and run it through your sound card. However, this is probably
not the answer you wanted.
If your application is connected to a PC through a wire, then I would
let the PC do the work and convert the data stream to something like
ADPCM or WAVE format (see AN643); something the PIC can easily handle
and convert to audio.
Or if your going wireless, then you will need maximum compression, and
packetization. Get the MAS3507D MP3 decoder or the SAP_V1.0 or SAP_MV1.0.
The later integrating a microcontroller.
ST Microelectronics is coming out a completely
integrated MP3 decoder : The STA013.
To make it run you just need a flash memory, a
D/A converter and a control circuit (a PIC?).
Prices by quantity are announced to be below
10 USD, including the royalties for the MP3
> Hi pic masters:
> Somebody has some suggestion on a circuit that would receive data MP3
> from a computer and would reproduce alone, with the aid of a DA
> Rodolfo Caproni - Brazil
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