Yamaha av amp A1080 A2080個YPAO有什麼分别？

tonykong

見RX-A2080比A1080個YPAO™-R.S.C.多個3腳座和3D其實有什麼分别？

pepsiman

The Difference between YPAO and YPAO R.S.C

Basic YPAO will do the following:

   1. Measure and set speaker delays (called –  inaccurately – distance)
   2. Measure and set speaker levels / volume
   3. Measure the frequency response of your speakers and use a parametric equaliser (PEQ) to flatten the frequency response of the speakers/room in the frequency domain only (what it is doing really is match the timbre of the speakers to each other)

YPAO R.S.C (R.S.C. stands for Reflected Sound Control) is more advanced. It actually has TWO sets of filters:

   1. It will measure the impulse response of the main speakers (not the subwoofer even if the model has sub EQ) AND will create filters that will modulate BOTH the phase and the frequency of the response. This is to allow for removing the first reflection of the speakers in the room and it allows YPAO to tackle both the dips and the peaks in the frequency response. YPAO basic will only be able to tackle the peaks effectively and do a hit or miss with the dips. This is true of any type of parametric EQ. These filters are not actually displayed on the screen and are not editable.
   2. The second set of filters are only in the frequency-domain with a minimum phase: these are the PEQ filters that are used in the YPAO basic equalisation. But here, more broad filters can be used since the main / most difficult issues in frequency response have been corrected.

This is why manual editing of filters for YPAO and YPAO R.S.C have to be done differently.

tonykong

RX-A1080
YPAO™-R.S.C. with multi-point measurement and precision EQ

RX-A2080
YPAO™-R.S.C. with 3D, multi-point measurement and precision EQ

3D有什麽分别？

pepsiman

你去Google打Yamaha RX-A1080(page 43)、RX-A2080(page 55) manual,Download兩份manua睇吓就會一清二楚,大致分別係RX-A2080透過特製3D Microphone base設置,以四個測音位,測出 Angle/Height,從而有更精準既音場效果...