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Comment by vineyardmike | Hacker News Reader

And what if we could mount these directional speakers directly on someone’s head! Then we could reduce the volume a lot so it’s even quieter to neighbors. Maybe use some sort of physical bell or cup shape to direct it right into someone’s ears without ultrasonics (for cost reasons). Then we might save enough that we can use 2x speakers to get L/R audio streams.

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To address your point rather than your sarcasm: headphones are unsafe while cycling because they block environmental sounds (though it’s true that music from a speaker can impact attentional blindness. There is also the shared experience of listening to music with another person. The ability to create a “music bubble” around you without disturbing others satisfies both parties.

Ultrasonic speakers aren’t even exotic tech. I first encountered one in a museum at least ten or fifteen years ago.

I'm not the person you replied to but just dropping this here for others interested:

There are some 'open-back' and 'open-ear' headphones that let you hear your environment passively.

Others that have more active environment passthrough such as Ambient Sound from Samsung, also exist.

This might be a useful gift for a cyclist or jogger that needs situational awareness.

Bone conduction?

(Am fairly certain they aren't great if you are going for audiophile level reproduction - but from a safety perspective, they let you hear your environment - note, I have personally never tried them)

Quality isn't amazing, but it's acceptable and it isn't like you'd be enjoying a high quality audio experience with wind rushing past your ears using normal headphones, anyway.

Also beats getting hit by a car that you didn't hear.

I'm a runner not a cyclist, but I use AfterShokz headphones. The sound quality is suprisingly good, more than adequate for listening to music and podcasts when out :)

For personal safety though, they win hands down. I can hear cars and people easily and I'm much more aware of surroundings. Downside is though that if you are running down a busy road, the sound of cars can override the sound of your audio but for me, that's an acceptable trade off.

I got a pair of bone conduction headphones that allow me to still hear my surroundings while on my bike. Nothing goes in your ears that blocks sound.

Agree with your point, though.

I was looking for something like this but gave up due to difficulty sifting through reviews… which ones did you go with, and how do you like them?

I have aftershokz aeropex. If you are hoping for studio monitors you're going to be disappointed. If you just want to listen to podcasts or "workout music" then I think they are great. I use mine way more often around the house than I expected that I would.

When using AirPods pro in the "transparent" mode I can still hear really good, so I am just using that when cycling right now.

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