DVD-Audiobahn

Upsampling Joy

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DAVID

A

Given my recent fits w/ hi-rez and my system I've been surprised at the improvement of the sound of some of my CD quality music. I used Wave Editor for Macs and upsampled some stuff to 24/96 then burned that to a DVD. The upsampled music sounds rounder, fuller w/ a touch of warmth and sweetness w/ better, larger sounding bass. Not a huge change but surely for the better. Strange since if I use the upsampling feature on my DAC it adds a bit of hardness to the music. It does raise the music further above the speakers and gives it more separation between instruments but there's that bit of hardness that wears on you after a bit.

Anyone else experience this?

Follow Ups:

i noticed an improvement - hifitommy 16:16:27 03/06/11 (0)
i noticed an improvement on RBCDs with the replacement of my old cdp with a SACD capable player (sony ns500v). it was so much better that it gave me a new appreciation for my cd collection. apparently upping the freq that the bitstream is filtered at is a major sonic benefit.

i may be entirely wrong about the reason but am happy that it sounds better.
...regards...tr
RE: Upsampling Joy - audiohound 20:58:51 02/26/11 (2)
David,

Thanks for posting your impressions regarding upsampling to 24/96. I'm a total newbie to PC-based audio and have yet to tackle my first project. Later in the year, I hope to purchase an ADC so I can use my LPs to create hi-rez files. Perhaps I'll purchase the new super-user-friendly Furutech GT40, which combines a phono preamp with an ADC. In the interim, I had thought about doing simple projects...perhaps copying an existing CD into Audacity and learning how to change the EQ.

I would be delighted to learn to do what you have done, except that I don't have a Mac. Do you happen to know if there's a version of Wave Editor (or some comparable upsampling program)that runs on PC? Also - like you - I'm interested in burning my newly created 24/96 files onto a DVD (Video) disc so I can play it back in my transport. I'd love to hear 24/96 files thru my Lavry DA10.

I'm interested in using cables or USB to set up a computer/audio system interface, but I'll wait till I get a new computer, hopefully a Mac at some point. In any case, I was wondering how playing the DVD works for you. Do you have to go thru playback menus (as I need to do on my commercially recorded 24/96 DVD-Video discs from Neil Young on the Reprise label, i.e., Live at Massey Hall, etc.)? Or, is there a way to create the audio on the DVD-V so you can just press the play button to hear the music...like with CD playback that doesn't have menus?

Advance thanks,
Audiohound
- RE: Upsampling Joy - DAVID 16:47:26 02/27/11 (1)
  It appears that Wave Editor is a Mac only deal. I too am quite the novice at the upsampling thing. You might want to post a question on this forum to get a better idea on good PC upsamplers...I just don't know.
  
  What I do is that I is import a particular song (AIFF from my iTunes library) and upsample it to 32 bit 96khz. I then export it as a FLAC file and as a AIFF file to eventually replace the standard AIFF file for that song in iTunes. Then I use Toast Platinum 10 to burn it to a DVD. Once there you do have to use those menus. Toast does it very oddly. It breaks up the music and you can either pick the songs or choose shuffle but using shuffle it'll only play those songs in that grouping that it chose. I haven't taken the time to see if I can burn it in such a way as to make it work like a standard audio CD would.
  
  A quick word on the quality of hi-rez sound. I can only speak in regards to my system (you can see what I have in the inmates systems section) but don't expect any kind of transformation of sound. It is a subtle but nice improvement. Every bit as detailed but the various sounds are more rounded, fuller w/ a touch of sweetness. Regular true 24/96 music sounds virtually identical to the CD version...I don't understand this at all.
  
  Good luck.
  - RE: Upsampling Joy - audiohound 20:54:15 02/28/11 (0)
    Thanks, David!
RE: Upsampling Joy - Tony Lauck 10:06:14 02/25/11 (0)
"Anyone else experience this?"

Plenty of people. This is often discussed on the PC Audio forum. There are at least two different explanations which might apply:

1. You are using a different (and to you better sounding) filter in your upsampling compared to the one in your DAC.

2. Doing the upsampling off line removes the overhead and resulting sonic pollution caused by real-time upsampling.

Tony Lauck

"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar

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