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The codec they transmitted over the wire (regardless of the wire media) was crappy, not the wire itself, but in this case those imply the same thing as as far a
by ender341341 3y ago
The codec they transmitted over the wire (regardless of the wire media) was crappy, not the wire itself, but in this case those imply the same thing as as far as I'm aware there was only the one format that it'd transmit over that connector.
- neckro23 3y agoWhat codec? It's PCM. You could also use that PCM stream to transmit Dolby Digital or DTS, but that's up to the device, not TOSLINK.
- ender341341 3y agookay, looking closer at the wiki (it's been forever since I actually tried it), for stereo it's full bandwidth, it's when it's surround sound it's super compressed.
- atoav 3y agoSuper compressed compared to what? Bluetooth?
- ender341341 3y agoCompared to pretty much any other output you'd have on an av receiver 15/20ish years ago (so hdmi, XLR, or some other standard analogue like rca or speaker wire). Possibly similar to the compression level of blutooth, don't have access to any systems that'd be easy to compare against these days for toslink.
- toast0 3y agoXLR is one cable per two channels. You could conceivably run one toslink per two channels and get functionally the same as XLR (minus phantom power)
- ender341341 3y agoI def could see doing that but don't think I've ever seen a system with multiple toslink for additional channels like I've seen done for XLR.
- atoav 3y agoBalanced XLR is three conductors per signal: - Pin 1: Ground - Pin 2: Signal in Phase - Pin 3: Signal flipped Two channels over XLR are done in two ways: - digital using the AES standard and 110 Ohm cables - analog using two balanced lines and a XLR-5 connector, although this is not an offical standard to avoid confusion with DMX
- kalleboo 3y agoIt's super compressed but it's the same super compression that is on any DVD so for any surround audio source a consumer would have it was perfect. The only people who would lose out on using TOSLINK was someone listening to a surround SACD (not exactly common). It was never updated for the higher bitrates on Blu-ray, so that's when it fell out of favor.
- toast0 3y agoI've used spdif in coax and fiber (toslink) to transport audio from tv (atsc1) and dvd where you're just bitstreaming the data from the antenna or the disc. It's also fine for 2-channel PCM. Dolbly Digital (ac-3), dts, and 2-channel PCM are fine for what they are. More channels in PCM would be nicer, as would other newer higher bandwidth, lossless codecs, but as a unidirectional signal, it's hard to add support for more stuff. It's not terrible for a standard from 1985 to not support full bitrate audio on blu-ray.