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But that graph still does not tell us how our individual ears will interpret the sound.
Here's a test.
Using the exact same IEM, glue a 1" long hard plastic or copper tube to the nozzle of an IEM, and attach the eartip on the end of the extended nozzle. Take a listen, and compare it to the stock IEM without the extension tube.
Does it sound the same? No you say? But how is that possible? They both have identical frequency graphs - it's the same identical IEM!
There's more to what we hear than a FR graph.
Maybe it's 1 specific frequency or reflected wave that is different between the ZST and ZS6 that I was interpreting as sharp? Like 9.8kHz? Maybe it's a difference with impedance/voltage/current matching between the ZST and ZS6. None of those things show up on a FR graph either.
Well I am 19 and have definitely not destroyed by hearing by going to any music concerts and I found the ZS5 v2 harsh at first but having them for almost 1 month I have gotten used to them. I still find some track harsh but I just avoid them because they were just recorded that way.My previous iem were the ZS3 which were way more bassay and much darker that may be also a reason why I interpreted the ZS5 to be too bright and took a while to appreciate their bass.
Admit it - you're in denial with what you hear! ;0)
Wow that is a lot of abuse for your poor ears. I have taken pretty good care of mine. I have always liked to have some quiet time and have never listened at very high volumes. I did go to a few arena concerts in the 80s that were too loud but most of my live music has been in smaller more intimate venues. I do remember one night when the guitars were too loud for the room. Quite a few people actually walked out.
I am not sure if iems themselves could be worse for the the ears than headphones or speakers. I actually have listened with speakers for many more years than headphones. I have only been using iems for a few months.
Sure... why not... it is late and I am tired so I will just admit I am in denial. Back to the music now...
oops... Opus is at 12%,,,, and I just tried to insert a C connector into the micro usb port
Thanks. When and if you want, let us know how the ZS6 perform also on your phone and, eventually, if you feel some difference with your sources using the stock cable.
For sibillance, you want to look at both the frequency response and the impulse response. More specifically, does the impulse show a ringing nature? The ringing indicates that percussive of sharp high notes continue to have energy released after the note or sound is supposed to end. That's the sound we hear and denote as sibillance.
How do you (or can you even) measure/verify impulse response? Do you need an oscilloscope, or do you use use specific waveforms or something?
Is not also true that a sibilance presence on a recording can be more noticeable and unpleasant on brighter headphones with peaky highs ?
No, it's measured by the same methods that are used to measure the frequency response. There are several ways to do it - one way is to generate a sharp sound and measure the decay trace with an oscilloscope. The common way is to mathematically derive it from spectral Fast Fourier Transform methods like how REW does it. So all the guys who have done measurements in REW already, just click on the impulse response tab. Display the % scale and click step response. This shows both an impulse response and a step finxduon response.
@Superluc: yes, the sibillance in a recording can be made worse by a headphone (or speaker) that has a ringing response. The ringing response is more common on speakers with aluminum cone drivers. Not always true as certain manufacturers have solved it by adding a rubber dampening coating at strategic points. It can also be fixed by mechanical geometry. Adding pentagonal symmetry seems to help as that doesn't support drum head modes of resonance on the diaphragm.
Hmmm, a lot of what you're saying sounds like when the adults speak in Charlie Brown shows haha ;0)
Do either of these ZST graphs show what you're referring to?
definition of sibilance:
Sibilance is a manner of articulation of fricative and affricate consonants, made by directing a stream of air with the tongue towards the sharp edge of the teeth, which are held close together; a consonant that uses sibilance may be called a sibilant, or a strident.
Speaking of sources.... last night I used my Cayin N3 with the ZS6 and everything sounded great. Tonight I was using the Opus#1...also great... maybe even better but I don't know if it was a bit of burn in on the ZS6s or the Dap itself or just me. Now the Opus is back on the charger and the lowly Ruizu A50 has taken over.... ZS6 still sounding great. I cannot test with a phone because I don't have one. My mobile phone is just a plain emergency only thing. I could try it out of my iPad or android tablet with some youtube videos but I expect it would sound horrible. I have not bothered to try them with my desktop setup. I don't want to be tethered by an iem.
Can you post a link to the one you bought? I've seen it on the thread a few times now and I like the look of it more each time.
Related but different question for anyone's opinion...
Does having a 90° or 45° bend in the jack end of the cable make an actual difference in terms of cable survival? Or is it just marketing and a appearance?