I just bought an ATV2. I have connected it to my tv via hdmi. Unfortunately my receiver (Bose Lifestyle 48 System) does not have an hdmi output. Therefore, I connected my to ATV2 to the Bose via Optical Cable. Sound does come from the speakers, but for some reason, the Bose displays PCM 2.0 rather than Dolby Digital 5.1. I thought that the ATV2 was supposed to work with 5.1 surround sound. Did I do something wrong? Another question. The Bose has only one Optical Audio input. I have two devices that need the optical audio cable. Is it okay to use a splitter like this one to use both devices, or should I find a optical cable to digital coaxial output? Also, would the ATV2 work with 5.1 surround sound if I use the splitter or the digital coaxial output?