One source (for singles) is
http://www.imbdev.com/MPEG3_ID.htm

-Adam

"Cassiano J. Pereira" wrote:
>
> Where I can buy the integrated decoder of MP3 MAS3507?
>
> +-----/-------------------------\-----+
> |     \   CASSIANO J. PEREIRA   /     |
> |      \   Eng. Eletrtnico     /      |
> |-------\---------------------/-------|