Quote Originally Posted by ralphy View Post
Deleted my previous post...turns out that the lame build script was not using the recommended compiler options for even the rpi1.

I rebuilt the pcp-lame extension with them and the encoding results are within a second of the rpi4 specific binary.

Just update the pcp-lame extension from the repository for the faster lame.
So one universal binary? Marvellous, even better.