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Lynx Hilo - new offering from Pro Audio company. - Page 17

post #241 of 641
Quote:
Originally Posted by santacore View Post

How do you get your Hilo into "DSD" mode? I don't think I've ever seen that symbol and I have tried to play as DSD file.
 

 

There's a menu choice if you have the November 2012 firmware update 5 installed. See http://www.lynxstudio.com/nav/getFile.asp?i=106&t=productfile which is linked on the Lynx Hilo product page.


Edited by CDWMcInSpots - 3/23/13 at 3:36pm
post #242 of 641
Quote:
Originally Posted by santacore View Post

How do you get your Hilo into "DSD" mode? I don't think I've ever seen that symbol and I have tried to play as DSD file.

 

If you are using Jriver I can walk you through it.
post #243 of 641
Quote:
Originally Posted by CDWMcInSpots View Post

There's a menu choice if you have the November 2012 firmware update 5 installed. See http://www.lynxstudio.com/nav/getFile.asp?i=106&t=productfile which is linked on the Lynx Hilo product page.

I have that firmware installed already
post #244 of 641
Thread Starter 

I have that firmware installed also, but I don't remember seeing the option in the touchscreen menu. I'll check it out again.
 

post #245 of 641
I
Quote:
Originally Posted by santacore View Post

I have that firmware installed also, but I don't remember seeing the option in the touchscreen menu. I'll check it out again.

 

I believe the "normal" situation changes when running DSD through DoP. Hence the special menu. I am away from my Hilo for a few hrs. Can play more later.
Edited by mrcasey - 3/23/13 at 5:20pm
post #246 of 641

From JRiverWiki:

 

1.) For DSD over ASIO (such as, but not limited to, the Hilo ASIO driver):

 

 

 

By default, DSD will be converted to PCM for playback.

The DSD to PCM conversion process converts from 1-bit DSD to 64-bit PCM at 1/8th of the sample rate. The total amount of data from this conversion grows by 8x, so the process is effectively lossless / perfect.

Once you have PCM, it will be 64bit @ 352.8 kHz for DSD, and 64bit @ 705.6 kHz for DSD 2x.

It is rare for hardware to support these high sample rates, so downsampling is required. The option 'Greater than 192kHz' in DSP Studio > Output Format is what is used. There is no way to configure DSD 1x and DSD 2x independently.

A low pass filter at 30 kHz with a 24 dB/octave slope is used to remove the (basically) pink noise present in the upper frequency with DSD.

 

The above will allow you to play DSD files through most DACs.  They do not need to be DSD compatible.  JRiver does a conversion of some sort.  This will NOT cause the DSD screen to appear on the Hilo.  You will need to downsample the resulting 352.8kHz signal to 192kHz or 178kHz for this to work on the Hilo.  The Hilo could have done this from day one.  No version 5 firmware update required.

 

2.) BEST OPTION FOR HILO and for DSD capable DACs set JRiver as follows for a more "true" DSD playback of DSD files:

 

DSD over PCM (DoP)

DSD over PCM packs DSD into a PCM-like signal for bitstreaming. This works in a similar way to how AC3 is packed into a PCM-like signal for S/PDIF surround sound output.

JRiver was part of formation of the DoP standard.

DSD over PCM requires Media Center 17.0.106 or newer.

To bitstream using this method:

  • Select 'WASAPI - Event Style' in Options > Audio > Output mode (and configure 'Output mode settings...' as necessary)
  • Select Options > Audio > Bitstreaming > Custom... and check _only_ 'DSD over PCM (DoP)' (in MC17 and earlier, Bitstreaming is under Options > Video)
  • Customize the 'DoP Format' if you have an older device that does not support the DoP standard

 

The above setting will cause the Hilo to switch into DSD mode.  Note:  DSD Mode option on Hilo's settings menu must be set to "Auto".  No other settings in Hilo required.  This requires the version 5 firmware update.

 

As best I understand things, method one converts DSD to PCM for compatibility with DAC’s that do not have DSD capability.  Method 2 does not convert the DSD file but just repackages it in a way that allows for it to be sent over PCM.  


Edited by mrcasey - 3/23/13 at 8:12pm
post #247 of 641
Quote:
Originally Posted by Theogenes View Post

Looking forward to it, HC!! atsmile.gif
Initial listening leaves me unimpressed with the M51. The sound kind of reminds me of the Benchmark. Clinical, dead, short decay. The sound is lacking the air and openness of the Hilo. I'm more engaged with the Hilo. This is initial impressions. Now comes the fun part, a week of comparisons. My amps have two inputs so I'm able to switch between DACs with the flip of a switch and changing devices in the player.

edit: moving the M51 to the balanced outs improved quite a bit so the listening continues.
Edited by Happy Camper - 3/23/13 at 8:52pm
post #248 of 641
Quote:
Originally Posted by santacore View Post

How do you get your Hilo into "DSD" mode? I don't think I've ever seen that symbol and I have tried to play as DSD file.
 

I suspect you were playing DSD through the ASIO mode.  This works if you downsample to 192 or 176 but it is not as "pure" or "true" a method of playback for DSD through the HILO as option 2 (post#247) above.

 

Method 2 sounds noticeably better. EDIT: IMHO


Edited by mrcasey - 3/23/13 at 7:45pm
post #249 of 641
Quote:
Originally Posted by Happy Camper View Post


Initial listening leaves me unimpressed with the M51. The sound kind of reminds me of the Benchmark. Clinical, dead, short decay. The sound is lacking the air and openness of the Hilo. I'm more engaged with the Hilo. This is initial impressions. Now comes the fun part, a week of comparisons. My amps have two inputs so I'm able to switch between DACs with the flip of a switch and changing devices in the player.

 

Hope both are balanced or both are unbalancedbiggrin.gif

post #250 of 641
Quote:
Originally Posted by mrcasey View Post

I suspect you were playing DSD through the ASIO mode.  This works if you downsample to 192 or 176 but it is not as "pure" or "true" a method of playback for DSD through the HILO as option 2 above.

 

So why dod DSD?  Why not just do 192 PCM?

post #251 of 641
Quote:
Originally Posted by preproman View Post

 

So why dod DSD?  Why not just do 192 PCM?

 

Some people believe that DSD sounds better than PCM 192

post #252 of 641
Quote:
Originally Posted by mrcasey View Post

 

Some people believe that DSD sounds better than PCM 192

 

 

I was saying if it's converted to PCM any way and then down sampled to 192 - what's the difference?

post #253 of 641

It is more complex than that and I won't begin to pretend that I understand the fundamentals (yet).  What I have taken away from my brief searching is that there is no "conversion" in method number 2 .

Method 1:  conversion of DSD format to PCM

Method 2: DSD over DoP involves no conversion of the original format.  

 

There is plenty on the web explaining all this.  I have been 1 week into this whole DSD thing.  All I know for certain is that there are two different ways of playing DSD files in JRiver.  The Hilo does both.  Method 2 is "theoretically" better.  My ears seem to affirm this to me.  I WILL try and wrap my head around the concept better over time.


Edited by mrcasey - 3/23/13 at 8:02pm
post #254 of 641

One caveat:  I have Red Book files that sound spectacular, better even than some 24/192 files.  IMHO nothing beats or can have as much of an influence on a SQ as good recording technique and mastering practices.  The DSD albums that I have download were all developed with audiophile quality sound as the end goal.  They have outstanding dynamic range.  Very natural sounding.  No "loudness wars"going on here.  There is definitely a need to turn up the volume as compared to most modern CD releases.  This could be affecting what I perceive as an improvement in SQ with DSD.


Edited by mrcasey - 3/23/13 at 10:23pm
post #255 of 641
Quote:
Originally Posted by preproman View Post

Hope both are balanced or both are unbalanced:D
Have to disconnect the one you aren't using.
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