Dolby Atmos 杜比全景聲設置
本帖最後由 MorrisTsui@FB 於 2020-8-21 21:49 編輯想請教各位師兄，天空聲道裝這款喇叭，請問角度應該水平向下，還是向皇帝位比較好？謝謝 我覺得甘細隻喇叭，甘直射都ok呀 wantai288 發表於 2020-8-21 16:07
我覺得甘細隻喇叭，甘直射都ok呀
直射嘅意思係咪皇帝位？
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.dolby.com/siteassets/technologies/dolby-atmos/atmos-installation-guidelines-121318_r3.1.pdf&ved=2ahUKEwjV3YKR_qvrAhU8L6YKHavBDegQFjABegQICxAG&usg=AOvVaw2DI1NfZV_DlWhgyM1hFFRz
p.7
Mounting considerations
If the chosen overhead speakers have a wide dispersion pattern (approximately 45 degrees
from the acoustical reference axis over the audio band from 100 Hz to 10 kHz or wider), then
speakers may be mounted facing directly downward. For speakers with narrower dispersion
patterns, those with aimable or angled elements should be angled toward the primary
listening position.
The overhead speakers should be at a height (shown as H3 in Figure 2) between two and
three times the vertical position of the listener-level speakers. The angle of elevation from
the listening position to the left top front/right top front and left top rear/right top rear
overhead speakers in a 7.1.4 reference layout should be 45 degrees. This may be adjusted
between 30 and 55 degrees if needed, as shown in Figure 2. Figures 3 and 4 show the
preferred locations of the four overhead speakers as seen from above. The horizontal width
should be about the same as the horizontal separation of left and right speakers placed at
±30 degrees. If this guidance is followed, the overhead side-to-side separation should be
0.5 to 0.7 of the width of the overall layout, depending on the distance to the screen and
the front three speakers, relative to the surrounds. It is best to keep the overhead
arrangement centered, front to back, over the listening area, even if the front speakers and
screen are at a greater distance than the surround speakers. 咁樣都OK的
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