Travel Technology - The "mp3" player for the audiophile...




ScottC
Jul 25, 06, 7:45 am
http://www.slimdevices.com/pi_transporter.html

Paging Kanebear...


xyzzy
Jul 25, 06, 8:47 am
"Mp3 audiophile"? Now there's an oxymoron!

ScottC
Jul 25, 06, 9:11 am
"Mp3 audiophile"? Now there's an oxymoron!

Which is why I said "mp3" ;)

It plays lossless files.


nmenaker
Jul 25, 06, 10:19 am
yeah, was just about to say, the mp3 "player" for audiophiles is really just to record lossless, or near lossless quality. I think even the ipods will play that, no? It would just be a small library one could take. Most of my lossless files come out between 60 and 120 MB per song.

ScottC
Jul 25, 06, 11:18 am
yeah, was just about to say, the mp3 "player" for audiophiles is really just to record lossless, or near lossless quality. I think even the ipods will play that, no? It would just be a small library one could take. Most of my lossless files come out between 60 and 120 MB per song.

Yeah, but an iPod still has a weak DAC and weak amplifier. This device is made from the ground up for high quality lossless audio.

I know one lossless "freak" with over 14Tb online, pretty much all filled with music and I'm sure he'll be buying of of these.

nmenaker
Jul 25, 06, 11:37 am
but, for this 2000$ I could get a 60GB ipod, some paradigm monitor speakers, 20 feet of kimber cable, a nice NAD amplifier/receiver. A SACD player, some optical links for the video ipod, and a bottle of DOM and a pound of cashews!

Unfortunatly, similiar to their other products, I don't see slimdevices selling many. Sonos outsells them 3 to 1, I think for the money some of the smaller devices have value, but this one is out there.

how can they make a product without GIGE, now that we have 200 mps powerline, and ultrawideband USB around the corner.

No storage? No firewire, no usb support only streaming over ethernet. I'd like to hookup my 500GB, or 1TB external device to this and just stream, or access locally via USB2.0 or FW, but there are no hooks?

willyroo
Jul 25, 06, 6:49 pm
Which is why I said "mp3" ;)

It plays lossless files.
coff

If it's digital, it's not audiophile.

:)


G, D, R

nmenaker
Jul 25, 06, 7:04 pm
and the trump is thrown

ScottC
Jul 25, 06, 7:11 pm
coff

If it's digital, it's not audiophile.

:)


G, D, R

Then in that logic neither is the CD player, SACD player, DVD audio or any other non analogue format??

Not everyone is a freak that listens to vinyl... :D

ScottC
Jul 25, 06, 7:11 pm
but, for this 2000$ I could get a 60GB ipod, some paradigm monitor speakers, 20 feet of kimber cable, a nice NAD amplifier/receiver. A SACD player, some optical links for the video ipod, and a bottle of DOM and a pound of cashews!

Unfortunatly, similiar to their other products, I don't see slimdevices selling many. Sonos outsells them 3 to 1, I think for the money some of the smaller devices have value, but this one is out there.

how can they make a product without GIGE, now that we have 200 mps powerline, and ultrawideband USB around the corner.

No storage? No firewire, no usb support only streaming over ethernet. I'd like to hookup my 500GB, or 1TB external device to this and just stream, or access locally via USB2.0 or FW, but there are no hooks?


Flawed logic. In your setup the iPod is STILL the weakest link. The iPod does not contain any high quality audio components.

CPRich
Jul 25, 06, 9:58 pm
coff

If it's digital, it's not audiophile. :)


"Clock signals in Transporter are handled not as ones and zeroes, but as precision analog signals"


Timing is handled in analog and audio signal in digital. What's wrong with this picture?

ScottC
Jul 25, 06, 10:29 pm
Unfortunatly, similiar to their other products, I don't see slimdevices selling many. Sonos outsells them 3 to 1, I think for the money some of the smaller devices have value, but this one is out there.



Where did you get this bit of information?

Slim has sold over 50k players, I have a VERY had time believing Sonos has sold anywhere near that with their overpriced units, no wonder they had to move to a cheaper amp-less option. If you are going to spend $1500 on multizone audio you can go with much better options.

FWIW; Slim also sells abroad under several OEM brand names and is doing pretty well at that.

ralfp
Jul 25, 06, 10:58 pm
Flawed logic. In your setup the iPod is STILL the weakest link. The iPod does not contain any high quality audio components.

Umm... if you use digital out.... it doesn't matter. If it can store and play digital audio files of sufficient quality and has digital out, then the audio components (DAC, amp) are less important to the audio quality than the brand of toilet paper in the nearest bathroom.

The flawed logic was the idea of spending more than small change on cable. Now it's time to run as the "audiophiles" attack me and my "measurements" and "real data". :p

ralfp
Jul 25, 06, 11:04 pm
"Clock signals in Transporter are handled not as ones and zeroes, but as precision analog signals"


Timing is handled in analog and audio signal in digital. What's wrong with this picture?

Time -> analog. The time between pulses in a diigtal pulse train is an analog value.

For examples of the blurry line, consider PWM and PDM:
http://en.wikipedia.org/wiki/Pulse-density_modulation
http://en.wikipedia.org/wiki/Pulse-width_modulation

[I'm not saying anything about the merits of the marketing statement from your quote.]

ScottC
Jul 25, 06, 11:21 pm
Umm... if you use digital out.... it doesn't matter. If it can store and play digital audio files of sufficient quality and has digital out, then the audio components (DAC, amp) are less important to the audio quality than the brand of toilet paper in the nearest bathroom.

The flawed logic was the idea of spending more than small change on cable. Now it's time to run as the "audiophiles" attack me and my "measurements" and "real data". :p

Digital out on an iPod doesn't exist. Hence the "flawed logic". Spending 1000's on audio equipment and then feeding it with an iPod is just silly, even if you do use lossless. The iPod has no high quality audio components in it.

birdstrike
Jul 26, 06, 12:17 am
I have nothing but admiration for you folks who can hear the difference between $1K and $10K equipment. :eek: ^

Not to go too OT, but do any audiophiles ever go to an audiologist to have their ears profiled? Years ago I had a rather exacting 1st class AF medical (long story, not AF) that showed a HF "notch" in my hearing of a couple hundred Hz or so. Wouldn't have been aware of it otherwise. . .

ralfp
Jul 26, 06, 12:23 am
Digital out on an iPod doesn't exist. Hence the "flawed logic". Spending 1000's on audio equipment and then feeding it with an iPod is just silly, even if you do use lossless. The iPod has no high quality audio components in it.

Ah. I see. Good that I qualified my post with an "If" in bold and italics. :)

My statement would still be true if the iPod had digital out... I guess having digital out would not be allowed by the higher ups at Apple (the execs of the music companies), as it would defeat itunes DRM.

However, I've heard (not verified), that the iPod actually has pretty good audio components for a portable player. If that's true, then the world is messed up. I can clearly hear the hiss in my headphones when the amp turns on (going from zero volume to minimum volume). This is w/o any music playing, just from the noise + low PSRR & dirty power, etc. in the DAC/amp.

nmenaker
Jul 26, 06, 12:30 am
Where did you get this bit of information?


FWIW; Slim also sells abroad under several OEM brand names and is doing pretty well at that.

stereophile magazine, about maybe four months ago. We can check online, I recycle them pretty much immediately.

Sonos systems are about 1000$, not 1500$ and can certainly be had for less. There is now also a cheaper version.

didn't know that slim did devices under differant names, but I don't really expect the market international to be BETTER than in the US.

ralfp
Jul 26, 06, 12:35 am
I have nothing but admiration for you folks who can hear the difference between $1K and $10K equipment. :eek: ^


It comes from the part of their brain compensating for the lost cash. I love it when I read articles by audiophiles who refuse to do blind testing and say that the difference between two different components can't be measured (translation: it does not exist outside of their brain). :td:

This is not to say that there aren't really awful $10k speakers that are quantifiably worse than most $1k speakers. :D

Back to the original topic: How on Earth is this thing useful when you travel? Does one bring an amp, a UPS, and a pair of bookshelf speakers on the aircraft?

murphy
Jul 26, 06, 9:04 am
My statement would still be true if the iPod had digital out... I guess having digital out would not be allowed by the higher ups at Apple (the execs of the music companies), as it would defeat itunes DRM.
I'm not sure I believe that's the reason the ipod doesn't have digital out. Macs have one, as do the airport routers. I think Apple's just being cheap.

If you want better sound from your ipod (less hiss, etc.), the dock connector's output is much cleaner than the headphone output.

ScottC
Sep 11, 06, 9:26 pm
A quick video review is up: http://www.gizmodo.com/gadgets/home-entertainment/transporter-video-tour-199926.php

kanebear
Sep 12, 06, 11:13 am
I'm on board with Willyroo... 'cept I'm even nuttier than he is. Vinyl? Feh... gimme 15-30IPS reels. :D Nothing beats a master tape (or a safety copy). As for "unmeasurable" differences... I believe all differences are quantifiable. I further believe we don't know how to quantify them yet, can't measure them yet, or simply aren't looking at/measuring the proper variable. There's more to sound than a frequency range and power measurements.

As for the audio-MP3 box... it'd be pretty useful! I'm not gonna drop $2k on it yet. I'll get one eventually though. I already have a decent library of vinyl and reels encoded at 96/24 for travel and it'd be nice to be able to play that back elsewhere in the house.

On why it doesn't have GigE... why does it NEED it??? 192Khz/24 bit is 4.6Mbps/channel. Even with SIX channels you'd not swamp a 100Mbps link. Two channels will work over 802.11g.

willyroo
Sep 12, 06, 5:06 pm
I'm on board with Willyroo... 'cept I'm even nuttier than he is. Vinyl? Feh... gimme 15-30IPS reels. :D Nothing beats a master tape (or a safety copy)
Feh... give me the live, unamplified performance.
:)

kanebear
Sep 13, 06, 8:46 am
Feh... give me the live, unamplified performance.
:)

Buddy if you find a way to resurrect Miles Davis, Billie Holiday, or Fritz Reiner I'll be HAPPY to go to that performance. ;)

murphy
Sep 13, 06, 8:58 am
I think I'd pay $10k to attend a Miles Davis concert. $15k if it was the sextet.

SJCFlyerLG
Sep 13, 06, 12:22 pm
stereophile magazine, about maybe four months ago. We can check online, I recycle them pretty much immediately.

Sonos systems are about 1000$, not 1500$ and can certainly be had for less. There is now also a cheaper version.

didn't know that slim did devices under differant names, but I don't really expect the market international to be BETTER than in the US.
Both Slim Devices and Sonos are my customers (for audio converters), and I can assure you that Sonos has much more business than Slim at this time.

SJCFlyerLG
Sep 13, 06, 12:27 pm
I'm not sure I believe that's the reason the ipod doesn't have digital out. Macs have one, as do the airport routers. I think Apple's just being cheap.

If you want better sound from your ipod (less hiss, etc.), the dock connector's output is much cleaner than the headphone output.
The use model for the iPod is portable by nature, so Apple did not see S/PDIF output as important. It's actually pretty cheap to include a S/PDIF transmitter for optical output - not so cheap for coaxial. With the iPod and other portable music players now gravitating to home use in docks, a digital output can improve the sound quality by eliminating one or to conversion points. But I do think they are hung up on DRM issues.

SJCFlyerLG
Sep 13, 06, 12:29 pm
Yeah, but an iPod still has a weak DAC and weak amplifier. This device is made from the ground up for high quality lossless audio.

I know one lossless "freak" with over 14Tb online, pretty much all filled with music and I'm sure he'll be buying of of these.
With that kind of storage, why not just use PCM data, which is absolutely lossless? Even the best "lossless" algorithms limit dynamic performance to the 80dB range.

ETA: audiophiles are people who have more money than brains.

kanebear
Sep 15, 06, 1:18 pm
With that kind of storage, why not just use PCM data, which is absolutely lossless? Even the best "lossless" algorithms limit dynamic performance to the 80dB range.

ETA: audiophiles are people who have more money than brains.

PCM isn't going to get around DAC and amp limitations. The iPod is a great device but it's a price/performance/packaging tradeoff. Doesn't matter how good the source data is, you're still outputting it through the same bottlenecks. The Slim Devices box is the first try at a 'no compromise' media player I've seen. Haven't heard it so I can't comment as to performance.

As for audiophiles; either you hear a difference, or you don't. Being an audiophile doesn't automatically equate to spending tens of thousands on speakers, cables, amps, etc. You can have great sound on a budget... you just can't do it with most mass-market brands. But if you think a Bose WaveRadio is as good as it gets... more power to ya.

ihateflying7
Sep 15, 06, 6:38 pm
A bit off topic, but with all this talk of "lossless" mp3 audio, hifi flux capacitor portable digilog audio systems and whatnot, i'm curious as to what you all are using to listen to it? I use the QCII but some guy tried to sell me some $500 earbuds saying that it far surpasses the QCII.



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