Official OPPO BDP-105 Owner's Thread - Page 424 - AVS | Home Theater Discussions And Reviews
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post #12691 of 12694 Old Yesterday, 09:43 PM
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Originally Posted by jamesg11 View Post
Yeh, you nailed it Bob - using the 105 input! ... doh ...

Got it on bitstream & later will compare that to pcm + see if there's much difference between the mytek vs oppo dac chips for redbook.
Glad you got it working, but I think you are confused about what's going on here.

The content on a CD is stereo LPCM -- Digital audio. So the output on the Optical or Coax will ALWAYS be stereo LPCM when playing a CD, regardless of whether you have Bitstream set or not for those outputs.

The Bitstream vs LPCM choice only applies when the content is a Bitstream (DD or DTS). I.e., does it get sent out still as a Bitstream or is it decoded into LPCM first?

Also, LPCM is a form of Digital audio. The DACs in the OPPO are never involved when listening to the Digital outputs of the player -- HDMI, Optical, or Coax.

The DACs -- Digital to Analog Converters -- are only involved when listening to the ANALOG outputs of the player.
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post #12692 of 12694 Old Yesterday, 10:56 PM
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Another justified correction! ... & I'd already anticipated that response as I was sitting listening just after I sent that bit of confusion ... how many zillion cds have I ripped to pcm on my hd ...

That comparison of dac chips is going thru the same analog preamp & amp from respective mytek & oppo, so I was at least on top of that!

Thanks Bob.
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post #12693 of 12694 Old Today, 11:33 AM
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Well it turns out the issue isn't with the 105D but with my Harmony 688 remote. I tried powering up the 105D with the supplied Oppo remote and playback did not start on power up. Then I powered the 105D down and powered it back up with the 688 and playback starts on power up. I tried a few tweaks to the 688 so the 105D would not start playback on power up but no luck so far. I'll either post in the remote sub forum or contact Harmony/Logitech.
I was able to tweak the 688 so playback doesn't start automatically . It took multiple attempts and the Harmony software crashing but it's done. Harmony's customer service is pretty much useless unless you want to pay for it . I had to adjust the power up timing sequence from 25,000 ms to 1000 ms and that did it. So now on power up the 105D goes directly to the Home page and not playback. I emailed Oppo to let them know it was my Harmony remote and not the 105D. They responded early this morning with this message.

Bill,
We are glad to hear that you have isolated the cause of the errors to your remote control, rather than the player.
Best Regards

As always amazing service from Oppo !

Bill

My SACD collection, watch it grow and my wallet shrink ;-).

Denon 4311 (in preamp mode), Parasound 2100, Boston Acoustics A7200 amp, Wyred 4 sound SX-500s, ST-500, ST-250, Oppo BDP-105D, Consonance CD120, Panasonic TC-P60GT50 plasma, Panamax 5100EX, Salk Song Towers, Song Center, ADS 300C (surrounds) and two Rythmik F12SEs.
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post #12694 of 12694 Old Today, 12:24 PM
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Quote:
Originally Posted by jamesg11 View Post
Yeh, you nailed it Bob - using the 105 input! ... doh ...

Got it on bitstream & later will compare that to pcm + see if there's much difference between the mytek vs oppo dac chips for redbook.
There is no bitstream with CDs. The data on the CD is stored in PCM form.

The bitstream/PCM setting only has an effect with Dolby and DTS soundtracks which are stored on the disc in a bitstream format and offers the choice of outputting those soundtracks in either form. For material stored in PCM form on the disc, such as music on a music CD, the setting is inoperative and the output is the original PCM signal.
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