Unlike Qobuz, Tidal doesn’t send us a 24bit/192kHz file directly but a 24bit/48kHz MQA stream that has the potential to be unfolded twice: once to 24bit/96kHz and a second time to 24bit/192kHz but only after the second channel’s datastream has traversed the KEF loudspeakers’ interlink. Many of the David Bowie remasters reissued in 2015, 20 are streamable from Tidal and Qobuz as 24bit/192kHz studio masters. Step one is now complete.įor step two, the first-unfolded stream is sent internally to the primary loudspeaker’s ADi Sigma DSP chip where any further unfolds, should they exist, are executed and MQA deblur filtering applied.īut what about the secondary loudspeaker? Remember: the first-unfolded stream’s sample rate will always be at or below 96kHz, so it can traverse the LS50 Wireless II’s interlink without issue to arrive at the secondary loudspeaker’s ADi Sigma DSP chip, which then handles further unfolds (to 192kHz…to 384kHz) and applies MQA deblur filtering to the other channel’s data. 44.1kHz is expanded to 88.2kHz or, more common, 48kHz to 96kHz. This is where the first unfold, should it exist, is executed. Were all of MQA’s unfolds handled by the primary loudspeaker, causing the maximum possible sample rate to be held captive by the speaker’s interlink 24bit/192kHz for wired, 24bit/96kHz for wireless? Similarly: where was the rendering being done: in the primary loudspeaker or in both loudspeakers? To turn over that stone we’d need to first talk to MQA’s Bob Stuart and then to the LS50 Wireless II’s project lead Jack Oclee-Brown.Īccording to the man from KEF, MQA handling inside the LS50 Wireless II is a two-step process: the MQA stream – either 44.1kHz or 48kHz – arrives at the primary loudspeaker’s internal streaming processor. Our beginner’s video on the KEF LS50 Wireless II left one question unanswered: just how exactly did MQA work inside this streaming loudspeaker? The specifics matter to a small (but very vocal) percentage of interested parties. Learn more: #TIDALConnect #StreamUnlimited #MQAEverywhere #MQATakeMeThere post shared by MQA on at 8:10am PDT MQA #News: Connect Launches with MQA Support new casting technology enables HiFi members to control their music listening on connected devices directly from the app.
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