Um im not sure what big shot is talking about but if u drop 5 db in the 14k + range i can totally hear the difference. Im not saying the song is very different but I can hear a definite cliff at the high frequencies. It also effects ALL IEM(since iems don't normally extend that far) im sure a significant roll off at 12.5k is a very big deal... especially at this price
It is my understanding that
Bigshot is decribing the range that a headphone should only play, only musical instruments, not a real scenario where all sound comes into play.
When we listen to a live performance, much more than just the instrument is involved. ..
The whole ambient atmosphere of the place is there and that includes from lowest rumble to highest air.
Air sounds nicer, but it isn't as decriptive. If you take a good recording and EQ out everything below 14kHz, you're left with extremely little. Boost the volume on it so you can hear it clearly, and you'll probably call it noise too.
If there's a discrepancy between measurements and sound, I'd really like to hear about it.
Give me three headphones, all with completely different sound. Give me the frequency response curve on each one. I bet five bucks I can put the right curve with the right headphones.
If there's a discrepancy between measurements and sound, I'd really like to hear about it.
Give me three headphones, all with completely different sound. Give me the frequency response curve on each one. I bet five bucks I can put the right curve with the right headphones.
I think some were wondering about how flat these really are given the measurements. I don't have an opinion either way, nor am I deeply interested. Regardless, measurements should be allowed to stay on the table as a topic for discussion and not simply be written off.
Well, I've spend months and months calibrating my speaker rig to audibly flat. When I got a set of these Oppo headphones, I was excited because I could hear immediatly that they were very close to my flat speakers. I checked them out and found that they were within 4dB of audibly flat. Pretty doggone good. The graphs I've seen on them look perfectly in line with the sound of them. Flat flat flat.
Well, I've spend months and months calibrating my speaker rig to audibly flat. When I got a set of these Oppo headphones, I was excited because I could hear immediatly that they were very close to my flat speakers. I checked them out and found that they were within 4dB of audibly flat. Pretty doggone good. The graphs I've seen on them look perfectly in line with the sound of them. Flat flat flat.
Air sounds nicer, but it isn't as decriptive. If you take a good recording and EQ out everything below 14kHz, you're left with extremely little. Boost the volume on it so you can hear it clearly, and you'll probably call it noise too.
I dont have an opinion on your statement above, but it seems to me that your testing methodology is inherently flawed, b/c it involves evaluating the effect of frequencies that affect timbre, attack and decay as if they were primary notes.
Has there been any perceptual mapping on how those frequencies shape perception of sounds in lower primary frequencies? Or how those frequencies affect perception of timbre? A better option might be to ramp up the EQ to compensate for the PM-1s frequency roll-off and see if that affects its tonal palette.
I dont have an opinion on your statement above, but it seems to me that your testing methodology is inherently flawed, b/c it involves evaluating the effect of frequencies that affect timbre, attack and decay as if they were primary notes.
It is my belief that musical perception extends to the limits of the human ear...
Not no stupid 12 -14k.
No headphone manufacturer is that naive to make a can stop that low, so why would you believe that there is nothing after that amount?
Some charts?
So how do we explain the intangibles. ..
How do you explain the ability of a can to differentiate the music into palpable entities so you can "see" the drummer's stick hitting the hi-hat or cymbal,
As opposed to just hearing some mesh of an obscure treble sound..
That is where we separate the big boy cans from the lack luster wanna bee cans.
Spacial cues exist in all frequencies from subbass to highest trebles.
Time will tell if the oppo is competitive in it's price category.
I believe it should have forgone the extravagant box and sold well below the $1K threshold,
where it has to fight with the other heavyweight champions of headphones. .
Time will tell if the oppo is competitive in it's price category.
I believe it should have forgone the extravagant box and sold well below the $1K threshold,
where it has to fight with the other heavyweight champions of headphones. .
And the Oppo PM-2 is coming to do battle in the upper-sub-$1000 part of the market. We're probably doomed to have all of every bit of this discussion all over again. Like Groundhog Day the Movie, just without Bill Murray.
Why would the last five percent of the range of human hearing be that important? Particularly when at the very top, human hearing is fading away anyway.
It helps to actually know what 12.5 to 14 kHz actually sounds like. Then you have an idea of how unimportant it is.
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