Please tell me what is the cheapest ARM with my request ip(100K annual)

>Please tell me what is the cheapest ARM with my request ip.
>Our company would like to change current audio application
>to embedded system.
>after my researching, only 2 way to realize, one is made ASIC Chip
>(request very long develop time,and huge investment), another is 
>buy ARM with specify IP Core.
>
>Requirement for our Audio system:
>MP3 decode/WMA decode
>CD/MP3 CD/WMA CD decode including servo control (it should be DSP)
>USB/SD interface
>rich interface just like UART/IIC/GPIO for our externtion.

You may want to approach this from another angle. Try looking at reference
designs based around an embedded OS like ThreadX.

http://www.rtos.com/

Ports and reference designs are available for many chip suppliers like
Renesas and others.	   
					
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