- 17 June 2006
- 1,621
Ορίστε κάποια μηνύματα απο την ίδια την Cyberlink που το επιβεβαιώνουν!
Originally Posted by AngelEyes
Can you clarify what audio decoder and audio filter PowerDVD should use for Dolby TruHD, DTS-HD MA and LPCM?
Quote:
Originally Posted by Cyberlink Support
We understand your concern related with PowerDVD.
We regret to inform you that we can't we can't reveal which audio filter in use by PowerDVD.
Please note that according to AACS compliance rule, player has to protect AACS decrypted content from digital copy. Since there's no secure protection between AP and audio driver yet, PowerDVD has to downsample High-def Audio to 48 kHz before sending to driver.
Quote:
Originally Posted by AngelEyes
Ok, let me get this absolutely straight.
Currently all HD Audio output by PowerDVD is downsampled before reaching
the Audio driver? Can you confirm exactly what sample and bitrate it is downsampled to.
Quote:
Originally Posted by Cyberlink Support
Yes, PowerDVD has to downsample High-definition audio to no higher than (including) 48 kHz 16 bits-per-sample before sending to driver.
Originally Posted by AngelEyes
Can you clarify what audio decoder and audio filter PowerDVD should use for Dolby TruHD, DTS-HD MA and LPCM?
Quote:
Originally Posted by Cyberlink Support
We understand your concern related with PowerDVD.
We regret to inform you that we can't we can't reveal which audio filter in use by PowerDVD.
Please note that according to AACS compliance rule, player has to protect AACS decrypted content from digital copy. Since there's no secure protection between AP and audio driver yet, PowerDVD has to downsample High-def Audio to 48 kHz before sending to driver.
Quote:
Originally Posted by AngelEyes
Ok, let me get this absolutely straight.
Currently all HD Audio output by PowerDVD is downsampled before reaching
the Audio driver? Can you confirm exactly what sample and bitrate it is downsampled to.
Quote:
Originally Posted by Cyberlink Support
Yes, PowerDVD has to downsample High-definition audio to no higher than (including) 48 kHz 16 bits-per-sample before sending to driver.