I've found most elucidation come out of labs and practical work.
I learned a lot about FIR filters by trying to do room audio correction on my own. That was where the latency tradeoff made itself apparent to me in a very obvious way.
Reading it in a textbook is one thing, seeing/hearing live signals pass through your own filters is another. I think audio lends itself better to experimentation. You can actually construct passive filters and validate your assumptions with live equipment and not spend a dime. You likely already have all of the required gear in your office, short of some spare inductors, capacitors, etc.
Image DSP work can be done entirely on a MacBook on an airplane, but I have personally found the added dimensionality to be less intuitive than with a time-domain signal.
I learned a lot about FIR filters by trying to do room audio correction on my own. That was where the latency tradeoff made itself apparent to me in a very obvious way.
Reading it in a textbook is one thing, seeing/hearing live signals pass through your own filters is another. I think audio lends itself better to experimentation. You can actually construct passive filters and validate your assumptions with live equipment and not spend a dime. You likely already have all of the required gear in your office, short of some spare inductors, capacitors, etc.
Image DSP work can be done entirely on a MacBook on an airplane, but I have personally found the added dimensionality to be less intuitive than with a time-domain signal.