Originally Posted by Chris Albert
Dolby True HD / DTS HD Master question.
Hi guys, just got an 805 off ebay for the HDMI/Audyssey, but need some help for those with experience...
1- Playing Blu-Ray via HDMI from a HTPC with TMT5. TMT5 says it's playing Dolby True HD or DTS Master but the amp is showing 'Dolby Digital' and just DTS.
Should the 'True HD' and the 'HD Master' light up on the display?
2 - How do I check the firmware version vs whatever was the last and is it worth getting it updated?
1) Yes, if the 805 is receiving a DTS HD-MA or TrueHD stream, the appropriate icon in the left side of the display will light up.
Are you sure your card and s/w player will *output* DTS-HD/TrueHD streams? There can be a difference between the selected track on the disc and what is actually output. I remember finding cards/players that were capable of lossless output for HTPCs being a problem at one time, but I haven't followed that market.
Assuming your card/player is capable, how do you have the 805 configured? For starters, despite what the name might imply if you don't read the manual, HDMI Audio should be off (p.99). Otherwise, the 805 will be limited to the audio capabilities of your display and I'm 99.9% sure there's not a DTS-HD/TrueHD capable display being built, yet. ;-)
2) Search should turn up the firmware, temperature probes, and other "secrete menu" commands within this thread. Or, you could look at post #1 in the TX-SR705 thread where they're all documented in one place. "Worth it" will likely depend on which version you have and your risk tolerance. There's a separate thread dedicated to Onkyo firmware updates that's worth reading if you want to pursue this. Bricking the 805 is possible. I upgraded from 1.06 to 1.08, but can't say I could tell a difference in performance, but people coming from lower versions have claimed the proverbial night-and-day results.
Separate from the main firmware, you'll want to check the three DSP chips' s/w version. While discs produced after "The Golden Compass" are not supposed to suffer from the DTS bomb, regardless of a unit's DSP firmware, it's worth updating (also effected same year Yamaha receivers). This update is done by playing a WAV file into the optical #1 input on the 805 after putting the 805 into update mode via the secret handshake. No brick risk, factory approved for DIY. Hard part is finding a player that will output the WAV file properly, CD/DVD players reported better success than Blu players. Search back in this thread for the version numbers and instructions. I think I, among others, posted a link to the Onkyo support page for this, but I think it requires registering your 805 with Onkyo to actually get in. The firmware update thread does/did have downloads just for the DSP as well.