Originally Posted by paulfromtulsa
my onkyo is older it doesnt have any hdmi input. the model number is tx-ds787. so does that mean i need a receiver with hdmi connections? right now im using a fiber optic cable for sound
No, you cannot experience the new audio formats with legacy digital connections like digital optical or coax.
If your Onkyo has a 5.1 analog input, you can use that. But you've got to use HDMI or 5.1 analog, because the 10-year-old optical and coax connections -- as implemented -- don't have the bandwidth to support the new and improved audio on Blu-ray and HD-DVD.
Note you can still use your old receiver, as all disks include Dolby Digital 5.1, DTS 5.1, or LPCM 2.0 stereo for backward compatibility with older hardware. However, in order to experience the new and improved Dolby Digital Plus, Dolby TrueHD, DTS-HD, and/or uncompressed audio, you need either a HDMI receiver, or a receiver with 5.1 analog audio input.