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#428833 - 02/12/18 08:46 AM HomePod
wschwartz Offline
old hand

Registered: 12/29/02
Posts: 69
An audiophile review:

https://www.reddit.com/r/audiophile/comments/7wwtqy/apple_homepod_the_audiophile_perspective/

If accurate, Apple seems to have done a remarkable job, achieving omnidirectional sound and flat frequency response in a small, relatively inexpensive product.

I'd love to see Axiom test the Homepod to see where its limitations lie. But perhaps a major advance, using highly sophisticated active management to achieve transparent sound at low size and cost.

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#428835 - 02/12/18 10:32 AM Re: HomePod [Re: wschwartz]
Mojo Offline
connoisseur

Registered: 01/21/07
Posts: 4767
I looked at a teardown. The 4" woofer motor looks massive. The driver looks well-thought out as well.

I haven't had time to read the review you posted but I remember reading that the active sound management is transparent to the user. The pod is always listening and adjusting its filter coefficients. No matter how good this thing sounds, I'm not letting it into my home since its always listening.

Any idea what the spec'd SPL is? Is it stereo?

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#428838 - 02/13/18 05:35 PM Re: HomePod [Re: wschwartz]
pmbuko Offline
shareholder in the making

Registered: 04/02/03
Posts: 16437
Loc: Ben Lomond, California
(Disclaimer: I work at Apple, but was not involved with the HomePod hardware in any way.)

Since Apple gave employees a 50% discount on HomePod during the first 60 days after release, I jumped on it. I’ve had mine since Friday. That reddit review has been seen internally and people are quite happy with independent verification. Apple has had an anechoic chamber for a while — used in the past to make their hardware quieter, but they used it to test and refine be HomePod. The product has been under development for about 6 years.

I’m quite happy with mine, and can’t wait until they get the stereo pair feature working. While one sounds great, two would really be something.
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#428839 - 02/13/18 05:38 PM Re: HomePod [Re: Mojo]
pmbuko Offline
shareholder in the making

Registered: 04/02/03
Posts: 16437
Loc: Ben Lomond, California
Mojo, you can disable the always listening feature. Then you have to touch and hold the top to activate the Siri.

Also, Apple never sends any audio data to its servers unless you’ve triggered the device with the activation phrase “Hey Siri” or have touched the top to activate Siri. Even then, personally identifiable data is scrubbed and never stored — raw waveforms are never stored anywhere, only interpreted words.
_________________________
I can explain it to you but I can't understand it for you.

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#428840 - 02/13/18 06:38 PM Re: HomePod [Re: wschwartz]
pmbuko Offline
shareholder in the making

Registered: 04/02/03
Posts: 16437
Loc: Ben Lomond, California
Here's a video of someone taking it apart to look at its guts.

https://www.youtube.com/watch?v=ArH41WyUt28
_________________________
I can explain it to you but I can't understand it for you.

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#428842 - 02/13/18 09:24 PM Re: HomePod [Re: wschwartz]
Mojo Offline
connoisseur

Registered: 01/21/07
Posts: 4767
Thanks. How much SPL are you getting out of the pod?

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#428843 - 02/13/18 09:57 PM Re: HomePod [Re: Mojo]
pmbuko Offline
shareholder in the making

Registered: 04/02/03
Posts: 16437
Loc: Ben Lomond, California
At max volume, I measured a Pink Martini track 1m from the speaker just now at about 85-88dB (C-weighted, slow). This is in my living/dining/kitchen “great room”, roughly 20’ x 32’ x 8’.
_________________________
I can explain it to you but I can't understand it for you.

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#428845 - 02/14/18 06:51 AM Re: HomePod [Re: wschwartz]
wschwartz Offline
old hand

Registered: 12/29/02
Posts: 69
How does the HomePod sound compared to Axioms? I'm curious just how far Apple has come using active technology instead of size and cost to get transparent sound and omnidirectIonality. The cost difference between two HomePods and an Axiom LFR system is enormous of course.

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#428846 - 02/14/18 06:56 AM Re: HomePod [Re: wschwartz]
wschwartz Offline
old hand

Registered: 12/29/02
Posts: 69

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#428847 - 02/14/18 12:27 PM Re: HomePod [Re: wschwartz]
Mojo Offline
connoisseur

Registered: 01/21/07
Posts: 4767
Per pmbuko's testing, the SPL from the pod comes nowhere close to the LFRs. Also remember the pod is a single channel device; not stereo. Now a good question is when stereo is supported from dual pods, could that stereo image result in "stereo everywhere"?

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