It also does not work when audio is bitstreamed from a capable computer-based player, as bitstreaming does the same thing the BrightSign player does - it passed the encoded audio directly out to the device, rather than decoding it first. That's why the Gefen box can decode it to analog. When you play the file on your laptop, unless your sound hardware is set to bitstream the audio output, it is decoding the AAC or AC3 and outputting multichannel LPCM. See product page list of supported types through multichannel analog outputs It does NOT output analog for compressed audio formats. Atlona HD570 will only supports multichannel analog output for LPCM audio input.
#Dolby digital ac3 plus
NOTE that Dolby Digital is not automatically a surround format. but this lacks a discrete center channel. Note that the correct terminology for this format is Dolby Digital 5.1-channel Surround, according to Dolby Laboratories Licensing Corporation.ĪC-3 4.1, or "2/2.1" is the same thing. not a Dolby Surround analog mix encapsulated in a Dolby Digital stereo mix.
When AC-3 5.1 or 4.1 is indicated, this is the case:ĪC-3 5.1, or "3/2.1" in its official designation, means that this is a Dolby Digital surround mix.
#Dolby digital ac3 full
If you have a full surround system, the receiver can decode the AC-3 digital bitstream and further demultiplex the analog-encoded Dolby Surround from those two channels into a full surround mix. Your receiver will decode the AC-3 digital bitstream and play back a stereo downmix if you are set up with only two speakers. Note that the correct terminology for this format is Dolby Digital 2.0 Surround, per Dolby Laboratories Licensing Corporation. According to the technical specifications for Dolby Digital AC-3, the difference is as follows:ĪC-3 Dolby Surround means that the file contains 2 discrete channels, L and R, into which a multichannel phase shifted Dolby Surround analog mix has been matrixed.