Re: [SlimDevices: Audiophiles] Transporter Specs Clarification

2007-06-22 Thread ntang

I bought a Musical Fidelity XDACv3 external DAC to go with my SB3 and it
is supposed to support 24bit/192khz...not sure what that ultimately
means though. Is there a difference between supporting  192 sample
rates and 192 upsampling? Peraps the Musical Fidelity supports the
latter.

/Nick




DCtoDaylight;209895 Wrote: 
 You're correct on both counts SuperQ,  
 The Transporter does not support 192K sample rates, and does not up
 sample.
 
 FWIW, I'm not aware of any external DAC that supports 192K sample rates
 over SPDIF.  There may be some out there, but the spec doesn't allow for
 it.  There are some nearer versions of the HDMI spec that allow for
 sample rates that high, but that sort of bandwidth wasn't even dreamed
 of when the SPDIF spec was created.
 
 Cheers,
 Dave


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Re: [SlimDevices: Audiophiles] Transporter Specs Clarification

2007-06-22 Thread Phil Leigh

The x-Dac v3 upsamples internally to 24/192 - it can only accept 24/108
in as with (any?) SPDIF based dac.


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You want to see the signal path BEFORE it gets onto a CD/vinyl...it
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...SB3+TACT+Altmann+MF DACXV3/Linn tri-amped Aktiv 5.1 system and some
very expensive cables ;o)

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Re: [SlimDevices: Audiophiles] Transporter Specs Clarification

2007-06-22 Thread ntang

oic...so the Transporter accepts 24/96 only and does no upsampling
whatsoever...right?

So technically, the xDac is a better spec'ed DAC?

Pardon me if that makes no sense...am trying to make sense of all the
various specs coming from multiple sources!

Phil Leigh;210349 Wrote: 
 The x-Dac v3 upsamples internally to 24/192 - it can only accept 24/108
 in as with (any?) SPDIF based dac.


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Re: [SlimDevices: Audiophiles] Transporter Specs Clarification

2007-06-22 Thread Heuer

The Transporter accepts 96khz and digitally outputs 96khz. The SB3
accepts 96khz and outputs 48khz. Neither device upsamples.

My external DAC (AudioSynthesis DAX Discrete
http://www.audiosynthesis.co.uk/dax_discrete.htm ) displays the input
sample rate so I can compare the file statistics with the actual input
signal. The DAX then upsamples the received signal (44.1, 48, 96 etc)
to 706khz!


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Re: [SlimDevices: Audiophiles] Transporter Specs Clarification

2007-06-22 Thread AndyC_772

Actually the AK4396 DAC contains an 8x interpolating filter anyway, so
96kHz data is upsampled to 768kHz before being fed to the delta-sigma
modulator. The fact that it's being done within the DAC chip rather
than by a separate component in the Transporter really doesn't make any
difference.


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Re: [SlimDevices: Audiophiles] Transporter Specs Clarification

2007-06-22 Thread DCtoDaylight

If you want to get technical, almost all DAC's use an oversampling
digital filter before feeding the actual converter...  
It's also a good idea not to get too hung up on reading (and guessing)
what technology should sound better.  At the end of the day, it's what
you hear that makes the real difference.  Get out there and listen to
whatever products you can!

Cheers, Dave


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Re: [SlimDevices: Audiophiles] Transporter Specs Clarification

2007-06-19 Thread DCtoDaylight

You're correct on both counts SuperQ,  
The Transporter does not support 192K sample rates, and does not up
sample.

FWIW, I'm not aware of any external DAC that supports 192K sample rates
over SPDIF.  There may be some out there, but the spec doesn't allow for
it.  There are some nearer versions of the HDMI spec that allow for
sample rates that high, but that sort of bandwidth wasn't even dreamed
of when the SPDIF spec was created.

Cheers,
Dave


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[SlimDevices: Audiophiles] Transporter Specs Clarification

2007-06-18 Thread ntang

As an aspiring audiophile, I would like to know whether the
transporter's DAC actually supports 24bit/192khz?

I could only find reference to 96khz on the specs but I am thinking
making this relates to something else. Yet, the chip used (AKM4396)
seems to suggest 24bit/192khz.

My CD player at home is spec'ed at 24bit/192khz (Arcam)

Can someone advise?


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Re: [SlimDevices: Audiophiles] Transporter Specs Clarification

2007-06-18 Thread SuperQ

ntang;209691 Wrote: 
 As an aspiring audiophile, I would like to know whether the
 transporter's DAC actually supports 24bit/192khz (guess it would be
 called upsampling?)?

Oh... btw.. there is no up-sampling done afaik.


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