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Finally someone explained the fuckin difference. They both sound like a C chord to me. I didn't think to listen for the "wobble" in the equal temperament. Makes sense now though. It's fun even if the difference is essentially meaningless.

If you multiply a DC shifted low frequency senoid by a high frequency senoid and apply a Fourier Transform to the result, you get 3 components, one central and 2 lateral bands, shifted left and right by the frequency of the lower wave. When you play a dissonant chord, you are doing the exact same thing, but the other way around. You are mixing two close together waves that register in the frequency domain the same way a amplitude modulated wave would. And that is why it sounds woobly. You are, after all, modulating a low frequency wave on a high frequency one.

Buddy, nothing… I repeat, NOTHING in the real physical world is as perfect as pure sine\synth wave. Therefore all that miniscule "beating" is irrelevant when we tune to the Equal Temperament.

Every piano is out of tune now.

The last combo was very interesting.

I am not at all sure what these graphs are purporting to show. "so called" C major is supposed to be what a c major chord ? consisting of what notes? Why does it sound like a low pass square wave dial tone single note ,,, certainly not a fully voiced triad? Yes there would be some beating of a major triad in equal temperament, but it certainly would not sound as bad or look as bad as Your demonstration if played on a typical musical instrument. Even those supposedly natural strings, graph exaggerate the beating, and sound like synthesized strings very strident. and too toothy to be real, plus the graph that has no calibration as to the vertical increments seems to exaggerate the effect.

In practical use I love the sound of imperfection that comes with acoustic instruments played by humans.

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In this section at 1:44 there is a mistake. The chords are C major and F major (not G major).

Ciao, ogni quanti giorni farai la dose?

NO BEATS 🗣🗣🗣🗣‼‼‼‼ NO WAVES ‼‼‼‼‼‼🔥🔥🔥🔥

This difference is stark to me, I can’t believe people are questioning if there is a difference. I’m wondering if the differences have been exaggerated on purpose or if this is the reality of the differences

per me è uguale

some very late observations in some cases, the pure seems to be muted. in others, the pure sounds 'muddy'; like a buzz, not harmonic. in others, (1:08) the pure causes an unacceptable amount of 'wow'. equal aint perfect, but it's better than just.

thanks so much, especially for the strings, with pure temperament can produce more integral sound like every frequency is on each other in very harmonic way. With equal temperament, you can hear "waa-waa-waa" especially in second part(G Major) in the middle frequency. Now I can understand why top orchestras are amazing probably the conductor and musicians need to know this well in mind, and do the adjustments from equal-temperament-setting instruments.

I have many years of experience in music production and sound design and I can clearly head the difference

200

I hear a small difference: just intonation seems a little bit lower than equal temperament.

You would have to tune each chord in just intonation for the D to sound good.

i can hear the difference because of the 14 cent difference between the equal tempered major third and the JI 5/4 major third.

Second play through made it much more obvious, Equal had more overtones. and Just was more restricted to the tone. Really pierces the ear drum with each rendition. Nailing down the TE Tuner setting. At least the above is how my ears heard it. I can match any note with my voice at some obtainable octave or group of notes (just can't name them with a tuner) and I have an odd constant occurrence of waking up with music going in my head and during the day, sometime I have to search the lyrics if they come with the orchestration to see who it is. Would be odd but it happens with no notes to trigger it. Interesting but weird.

it's way easier to hear it you distort. even as someone who composes with both just intonation and equal temperaments, I can't hear the difference at any point in this video because of the lack of distortion. distortion makes the virtual subharmonic into a real subharmonic, which makes the difference very very obvious because the just intonation version only creates a small in-tune subharmonic, whereas the equal temperament version creates potentially several.

are overtones using just intonation?

pure tone sounds more flat to me lol

You should probably play them together and put one of them out of phase…

Very interesting. I have a small criticism though: The point about strings being in just temperament is so that the instrument itself resonates better (since the other strings get hit passively aswell). I don't think this effect is captured here with the electronic instruments. That might be, why there is almost no audible difference with strings.. Maybe I'm just deaf though or maybe it really doesn't make a big difference.. still.. I think it's more different than it is displayed here

it’s mostly in the third

There's less dissonance in the pure tones as well as a microtonal offset that i can make out.

"Pure" intotantion is like singing without any vibrato...

The unequal chord sounds of tune to me (understandably) yet , with the string sound, it sounds kinda cool.

With just these simple chords the just intonation sounds better, but equal temperament is supposed to be the pragmatic solution to make chords work consistently, Maybe the whole universe is slightly out of whack because of sin and therefore things cannot line up perfectly. No perfect 360 day year either.

I can hear the beats in both examples because I'm using beats headphones

Equal had WAY more bear frequencies than Just. And that's kind of weird, huh?!

Sorry bro but Just Intonation is too perfect! I don't like it!

For chording, just tempered is more pleasing to my ear…but for melodic work, equal tempered scales are sweeter. That is why Howard Levy played Golden Melody harps - they are the only harmonicas that have an equal tempered scale. Hence, the name.

Now, do the same experiment with 53-tone equal temperament and just intonation.

Should be G maj and C maj instead of C maj and G maj (1:40).

yeah, a little bit. G Major sine wave, for instance, sounds a little sharp to me in JI.

Pure tone, especially in the strings portion, tended to sound just a bit flat actually. I'm sure with pure tuning one of the notes is slightly flatter compared to equal tuning. I also figured putting actual instruments to each type of tuning would properly show the differences, since sine waves/chords will of course sound obviously different in just intonation, but when you get harmonics into the mix, equal tuning will sound better because it's how we've adapted music to be so tuning doesn't have to change when changing keys.

I can hear the differences. It is more difficult to pick up with strings, I presume because the overtone series of strings is more complex. In some ways the complexity of the overtone series absorbs some of the temperament effects. Very interesting video. Thanks.

This was awesome!!!

Totally hey....

I wish I had not learned this. Ignorance was bliss 😭 Super interesting

Interesting comparison!

It's easy to hear the difference side by side. Just tuning is super stable. I honestly prefer equal temperament. I like the vibration as it sounds more musical to me. Just intonation sounds too plain and machine like. It lacks life.

the lower the tone, the easier it is to spot the tremor in the equal chords while the pure chords sounds more even

I can tell one of the frequencies in equal temperament is a little too high. Pretty much the same besides that and the obvious volume vibrato effect

Vibrations and echos more or less long/short.

처음 C Major 아날로그 전화기 벨소리? 수화기 들었을때 나는 소리

Pure intonation sounds surprisingly bad. I expected it to sound sweet, but it's just unpleasant, bleak, lifeless.