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Joined: Feb 2009
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Mostly harmless
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Mostly harmless
Joined: Feb 2009
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Although I have checked the "delay to audio sources to avoid DTS noise" in the legacy configuration program setup, I still get annoying tick tick noises when playing movies recorded in DTS or DTS-MA . This occurs regardless of the Blu-ray player I use (formerly Pioneer BDP-LX70, now Oppo BDP-103).
The chain is: Oppo -> HD621 -> 568.2 -> amp -> speakers.
Any suggestions on how to overcome this noise?
Home: BDP-103,G61R, HD621, Quad520f, 2xInnersound amps, 3xQuad ESL-63s, 2xJL Fathom F112 V1 subs, 2x Gradient SW63 subs.
iFi Zen Stream , Audeze LCDi4.
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Joined: Feb 2002
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President of the Imperial Galactic Government
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President of the Imperial Galactic Government
Joined: Feb 2002
Posts: 8,816 Likes: 87 |
You should be decoding in the Oppo so the DTS setting in the 568 should be irrelevant.
Can you confirm Oppo is outputting PCM?
Rgds,
Nick
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Joined: Oct 2005
Posts: 1,467 Likes: 1
Working on the ultimate question
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Working on the ultimate question
Joined: Oct 2005
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Since the Oppo has dual HDMI outputs, try running two cables - one to the HD621 and a second to your video source (such that the vido output of the HD621 has no cable attached to it).
My Kit: 861v8+ID41, 800v4, UHD722, MD600, MS600, MS200, Oppo BDP-203, Genesis 201, Genesis 350 SE, Genesis S4-8 Sub, BG 520i, VTL MB450 II, Krell Showcase 7, Genesis 928 Subs, Danley DTS10 sub, SVS Ultra 16 subs.
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Joined: Sep 2009
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President of the Imperial Galactic Government
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President of the Imperial Galactic Government
Joined: Sep 2009
Posts: 5,358 Likes: 2 |
"Annoying tick tick" noises is not how I would describe the burst of raw DTS that one hears if one doesn't have the DTS delay activated. Are you sure the "annoying tick tick" is something to do its DTS?
Ex-moderator
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Joined: Apr 2004
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Don't Panic!
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Don't Panic!
Joined: Apr 2004
Posts: 12,733 Likes: 88 |
You should be decoding in the Oppo so the DTS setting in the 568 should be irrelevant. Agreed. However, IIRC, all of the DTS advanced formats have a regular DTS "core" which is output over SPDIF and *could* be output over HDMI depending on settings, so that is another possible valid (lossy) path.
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Joined: Feb 2002
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President of the Imperial Galactic Government
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President of the Imperial Galactic Government
Joined: Feb 2002
Posts: 8,816 Likes: 87 |
VK, quite possibly. However, in the system outlined I would say that PCM should be the optimal config into the HD621.
Rgds,
Nick
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Joined: Apr 2004
Posts: 12,733 Likes: 88
Don't Panic!
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Don't Panic!
Joined: Apr 2004
Posts: 12,733 Likes: 88 |
Absolutely. *Massive* difference between lossy decoded in the processor and lossless decoded in the player (in lossless' favour!).
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Pan-dimensional being
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Pan-dimensional being
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HDMI Audio needs to be set to LPCM in the player config, you can confirm this by pressing Fn+Display a few times on the MSR, I'm pretty certain a 568.2mm will show Mov6 if the player is decoding DTS-MA to LPCM.
If it is decoding DTS-MA to LPCM, I would check the connections on the HD621 and the 568.2mm are seated properly.
Mark
G68, baby Genelecs, Humax Foxsat, Oppo+Vanity93, Toshiba HD-A35, Pioneer CLD-925 + Meridian 519, various other random bits and bobs
Got a black G08.2 you want to sell?
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Joined: Feb 2009
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Mostly harmless
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Mostly harmless
Joined: Feb 2009
Posts: 81 |
Since the Oppo has dual HDMI outputs, try running two cables - one to the Hd621 and a second to your video source (such that the video output of the HD621 has no cable attached to it). Thanks for the advice, but there is no need. I have the video processed by a VP50 before the HD621.
Home: BDP-103,G61R, HD621, Quad520f, 2xInnersound amps, 3xQuad ESL-63s, 2xJL Fathom F112 V1 subs, 2x Gradient SW63 subs.
iFi Zen Stream , Audeze LCDi4.
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Joined: Feb 2009
Posts: 81
Mostly harmless
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Mostly harmless
Joined: Feb 2009
Posts: 81 |
You are right about my description - not "ticks", but more like pops or crackles. My bad.
Home: BDP-103,G61R, HD621, Quad520f, 2xInnersound amps, 3xQuad ESL-63s, 2xJL Fathom F112 V1 subs, 2x Gradient SW63 subs.
iFi Zen Stream , Audeze LCDi4.
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Joined: Feb 2009
Posts: 81
Mostly harmless
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Mostly harmless
Joined: Feb 2009
Posts: 81 |
You should be decoding in the Oppo so the DTS setting in the 568 should be irrelevant.
Can you confirm Oppo is outputting PCM? The output was set on auto (default), and I've corrected it to output LPCM. The noises have gone. Thanks for the advice. One other question - I've set HDCD encoding to "off" in the player. Is this correct to get maximum resolution when using the 568.2MM?
Home: BDP-103,G61R, HD621, Quad520f, 2xInnersound amps, 3xQuad ESL-63s, 2xJL Fathom F112 V1 subs, 2x Gradient SW63 subs.
iFi Zen Stream , Audeze LCDi4.
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Joined: Feb 2002
Posts: 8,816 Likes: 87
President of the Imperial Galactic Government
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President of the Imperial Galactic Government
Joined: Feb 2002
Posts: 8,816 Likes: 87 |
Glad the LPCM sorted the issue. If you allow HDCD decoding I think you will send 44.1/24 files to the HD621. So, these should still be up sampled to 88.2/24.
No harm to leave it on for the very few discs that carry HDCD.
Rgds,
Nick
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