Hi Don

I got codec2 working on F7 a few years ago, and I was getting 2x the performance than the guys were getting on the F4. for the same clock speed...- 2 reasons- 1) the F4 code is completely unoptimized and really hurts the F4, and 2) the F7 is quite a bit faster if the cache access is optimal..

IMO the attempt to keep the code base portable between PC and microcontroller is problematic and a limit.

suggest The ORANGE PI zero is a tiny inch square PCB and has onboard audio..... It's what I use.... quad core A7 etc and NEON.

H7 is th new kid ont he block , but STM32 is expensive !!!

Suggest Rt1050 series from NXP for low cost (couple of bucks)  and 400 meg F7 perfromance

-glen

On 5/02/2019 5:24 AM, Don wrote:
I am currently working on getting the 700D mode to work with the SM1000.
It is not certain that this will be possible because of the memory
needed.

Also Dave is looking at new compression modes with different performance
and bandwidths.

I see the current firmware as best suited for experimenting and developing
on a desktop PC.  To make a small, low cost embedded version one would
likely want to do a major re-write of the code.  Lack




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