This sounds neat, but I think I owned a tuner for about 6 weeks before I could do it by ear... EADGBe isn't that hard.
It's not hard if E is in tune already. :)
Guitar tuner that uses phone accelerometer
21–30 of 105 posts
Re: Guitar tuner that uses phone accelerometer
#22The very clear and succinct description on the landing page makes me miss the bizarre antisocial charming quirk that people who made things like this used to be stuck with for their copy rather than AI generated language. Our cacophony of experience is quieting.
Re: Guitar tuner that uses phone accelerometer
#23This sounds neat, but I think I owned a tuner for about 6 weeks before I could do it by ear... EADGBe isn't that hard.
Pack it up folks, nubinetwork has exposed the scam that is the guitar tuner industry. You don’t need a guitar tuner if you have ears; all the guitar techs and musicians who use them have bought into a lie. And obviously since guitar tuners are a waste of time, a tech demo showing that you can use the accelerometer in a commodity handheld device to pick up minute vibrations with sufficient accuracy to detect guitar tuning from a web page is just feeding into the hands of Big Tuner.
Seriously, this is the very definition of a shallow dismissal.
Re: Guitar tuner that uses phone accelerometer
#24This has some very interesting privacy and security risks.
If the tech can do more complex frequency analysis, then couldn't it essentially be used as a microphone for a device that doesn't need permission.
Re: Guitar tuner that uses phone accelerometer
#25Fun idea and also I didn't know that websites could get access to my accelerometer data. However for me the sample frequency is 50 Hz which is way too low to measure even the lowest string pitch (E2, about 82 Hz).
Re: Guitar tuner that uses phone accelerometer
#26I mean yeah, that's cool as a fun project. And I've also heard about a project that used accelerometers as microphones for surveillance. And while it's doable, even the cheapest crappiest mic would do a much better job at recording sounds for whatever is your goal.
> even the cheapest crappiest mic would do a much better job at recording sounds And if you don't even have that, use a speaker/headphone as the microphone, probably also better results.
It’s about what apps can do with just default permissions, no? Not about what’s theoretically possible given full access to the phone.
Re: Guitar tuner that uses phone accelerometer
#27This has some very interesting privacy and security risks. If the tech can do more complex frequency analysis, then couldn't it essentially be used as a microphone for a device that doesn't need permission.
Sounds like you've got a great idea for a proof of concept for DefCon next year...
Re: Guitar tuner that uses phone accelerometer
#28Fun idea and also I didn't know that websites could get access to my accelerometer data. However for me the sample frequency is 50 Hz which is way too low to measure even the lowest string pitch (E2, about 82 Hz).
"the lowest string pitch (E2, about 82 Hz)."
My 6-string Kiesel Kyber bass would like a word with you while it sounds 41Hz.
Re: Guitar tuner that uses phone accelerometer
#29This sounds neat, but I think I owned a tuner for about 6 weeks before I could do it by ear... EADGBe isn't that hard.
Pro guitar teacher here with over twenty years of experience teaching the guitar, and close to fourty years of experience playing the guitar. I still struggle with properly tuning my instrument by ear. Nothing wrong with my ears. It's just not easy to do this right.
Re: Guitar tuner that uses phone accelerometer
#30Fun idea and also I didn't know that websites could get access to my accelerometer data. However for me the sample frequency is 50 Hz which is way too low to measure even the lowest string pitch (E2, about 82 Hz).
If you know you have a single frequency close to an actual frequency of interest, you can use the fact you know you're in an aliased band to get a precise frequency estimate.
I guess thats sort of like a weird PLL thing? But I'd imagine you'd have to have prior knowledge of which string you're tuning otherwise the analysis is going to alias against every harmonic.