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Comments
As an example:
Enjoy, cheers, t
I think I might already have that one! I've been a fan for a couple decades. I think someone gave that edition to me as a gift several years ago. Wasn't into audio then, so I'm going to see if I can find it for a fresh listen. thx!
Cool!
And thanks for the info. I didn't even know Logic Pro X has this stuff built-in. Just launched it to have a look.
This has nothing to do with my original topic... but it's little video loop thingy I did the other night and had referenced it in a private conversation with @decibelle so I figured I'd drop here to share with her and others. Kinda soothing
These guys are apparently close to production on Bluetooth MFI-certified headphone mics for binaural recording.
https://www.hookeaudio.com
Nice!
Yes, very nice
Awesome, thank you.
How did you create the visuals?
I didn't watch the video all the way through, but those guys seemed to have avoided mentioning that the human-aurally-accessible frequency spectrum (e.g. approx ~20-20000Hz) is a good deal larger than the available bluetooth bandwidth can accommodate, so no matter what their mics can hear, only a fraction of that will be transmitted/recorded.
And to me, their demonstrations looked like they were comparing apples with shoelaces.
I suspect the only people whom that product will satisfy will be those with limited ability to discern audio quality
Few people (in so called civilization) today hear well beyond 12khz.
The old ones by naturally aging, while the youngsters expose(d) themselves to insane levels of ear plugs/club sound.
The top octave from 10khz-20khz takes 50% of bandwidth, but contributes few more than a bit of 'airy' sound.
I disagree.
If I understand correctly, overtone harmonics contribute a significant chunk of timbre-identifying frequencies.
I consider the differences between an acoustic piano and a piano accordion playing the same pitches, or identical strikes between a saucepan and a ceramic bowl to be quite a lot more necessary than — "a bit of 'airy' sound.".
well, that's basically correct, but just check the figures
10khz is the 10th harmonic of a 1 khz fundamental, note C6 which is very high pitched.
Or the 100th of a 100 Hz bass note
How does that negate what I said? I can hardly even parse it.
The only context in which any individual frequency approaches existing in isolation is a synthesised single sine wave. Acoustic sounds don't work like that.
Your example, if I understand you accurately, is only one of many frequencies comprising any individual timbre. If any individual human misses out on one frequency, so what? Providing their headphones or speakers are hard wired, they'll most likely still hear the other frequencies enough to identify the timbre.
But if their sound is carried anywhere in the chain by Bluetooth, they will probably miss out many more frequencies than just that one.
sorry for my approach in shortened physics... looks like it confused more than it clarified.
I just mentioned a single frequency to illustrate the boundary.
You're perfectly correct that a soundsource is recognized by it's envelope and it's spectral content of many frequencies.
So a note from an instrument or voice first generate overtones depending on it's character.
(like sine=none, saw=even, square=uneven, noise=broadband)
The loudness of this overtone sequence descends with order, the 1st harmonic the loudest, the 'last' one the lowest.
Most natural sources have resonance capabilities, which emphasize some or all of these frequencies.
In any case (except sine) there's a huge mixture of frequencies, but almost no relevant part (for our ear physics) ends in the domain higher than 10khz.
As you've suggested that applies mostly to 'noise' parts, say a cymbal or air driven stuff like flute or voice. Yet this part is still far from significance for detection.
With a 10khz highcut you can tell any 2 singers from one another or a Martin guitar from a Taylor.
I sgree that most people will be unable to detect much of the higher end of the frequency spectrum.
In relation to Bluetooth earbuds/mics, the way the protocol works, the choice between frequencies transmitted and frequencies rejected is not based on human hearing.
Actually I don't know how Bluetooth chooses which frequencies to transmit or dump. The choice criteria may well be based on human ability to hear.
Nevertheless, based on my experience with Bluetooth and research into its audio handling, I feel fairly confident that the overall number of frequencies Blutooth is required to dump due to its bandwidth limitations does adversely affect the end result enough to matter to me.
If it were only for listening to prerecorded audio, I agree, the Bluetooth loss is not so significant. But for audio recording, I think Bluetooth simply has too many shortcomings at the moment.
For me, cables are an easy price to pay for reliable and as-complete-as-possible audio recording.
same here - and I'm not a fan of earbuds anyway, too difficult to place for an identical response and my Sennheiser IE4 make a hell of cable noise.
My preferred cans are AKG K501, which are a bit hard to drive from the internal iDevice drivers.
I'm surprised any Sennheiser product would have symptoms of such cheap cabling, it's a shame, definitely a usability killer.
I wonder if some extra thick heatshrink might help with that microphonic cable issue?
Just a thought.
I was mighty surprised, too - looks like the housing is completely closed and the cable fits tightly through. Some hot glue might improve it. And the heatshrink is a good idea
On the other hand I have a couple of great microphones by them: the classic MD 21 and 441, the 'bus driver mic' MD 408 and those Telefunken TD21 and 26 were built by them.
The latter is a phantastic mic for acoustic guitar, my favorite for 'Martin sound' - oops mighty off topic