Sony offers a free online hearing test you can do with your headphones and also sells OTC hearing aids:
I just hit 71 …. Sheesh. Hearing range degradation is inevitable as we age .
here is - as I understand it - his ad hoc comments to me about hearing loss, hearing aids, and it’s effects on audiophile enjoyment.
- inserting use of new hearing aids at your current assessed performance level MAY not be suitable for you YET ( you may not be classed as “that bad” currently, where hearing aids are generally prescribed, and thus they may introduce new unintended and unfavourable adverse effects to your audio fun and hearing ease in general. ) …..they amplify EVERYTHING around you, not just the soundstage elements in front of you.
- please DO NOT get sucked in by any online “ quick & fast ‘n easy” or otherwise add hoc layman’s suggested DIY home audiology / hearing test assessment kits ; …. DO go get PROPERLY examined and assessed with a professional recommended course of action by a qualified licensed professional audiology medical practitioner.
It is not the growing old that troubles me the most …. It’s the side effects.
I would not think the DAC is the place for adjustment. You should be delivering a pristine raw signal from any device, and then adjust tone with your pre-amp or processor, or an EQ. Many processors/Pre-amp have ways of adjusting tone controls, and may be in software in the unit, not physical knobs. If not there are EQ devices that may help determine if it's a good solution or at least improvement for you. If it were me I'd grab a cheap EQ and play around (pawn shop?) and then decide if a better one may be worth the investment. Past that there are a lot of devices to change the tone with some DSP features, but no need to go really high tech until you determine if tweaking the tone controls would help.
HERE/HEAR, some possibilities:
Gotta be a cheese lover though!