何為double bass?

Sifopean 發表於 2010-7-8 13:15

小弟用緊507,發現說明書有個setting叫"double bass",話將前置set做large,再將double bass set做on就可以加強個低音效果{:6_141:}
但小弟尋日試完覺得好似只係"拍邊"勁左{:6_126:} 最後驚推壞個前置所以都係off左
想問各位師兄可以講講嗎?{:6_141:}

聖龍發表於 2010-7-8 13:40

本帖最後由聖龍於 2010-7-8 13:52 編輯

即係前置同十仔一齊發功, 當中要知道LFE同CROSS OVER點是如何的一回事,
唔想太長氣, 上面兩個KEY WORDS,...
Jeff.C.Y 發表於 2010-7-8 13:25 http://www.post76.com/discuss/images/common/back.gif

據我所知
前置會全頻出
十仔會出由 crossover 點開始以下既低頻
如有錯請更正 {:6_195:}

kennethtcp 發表於 2010-7-8 15:02

同我說的有分別? 死了, 我唔係好明, 是我打錯野, 定係我睇唔明...
我個意思是一樣的, 但2個師兄都提出來, ...
Jeff.C.Y 發表於 2010-7-8 14:46 http://www.post76.com/discuss/images/common/back.gif

你岩呀!
簡單 d 咁講, 同一 setting 下, 開左 double bass, 就會將前置本身 crossover 俾十仔既 signal 同時由前置同十仔一齊出... ..唔開就俾十仔出, 前置唔出 crossover 以下既 frequency

Sifopean 發表於 2010-7-8 15:26

thz all brothers!!!!{:6_143:}

lemonstar 發表於 2010-7-8 15:40

你岩呀!
簡單 d 咁講, 同一 setting 下, 開左 double bass, 就會將前置本身 crossover 俾十仔既 signal ...
kennethtcp 發表於 2010-7-8 15:02 http://www.post76.com/discuss/images/common/back.gif

咁講法, 不如舉個例
Setting A:
Front L/C/R set 70hz (set small)
Surround set 100hz
LFE set 100hz
100hz以下十仔做surround野, 咁前中既70-100係咪前中同十仔都一齊做野呢, 而L/C/R 70hz以下都交番比十仔?

Setting B:
定係要Front L/C/R set Full band + Double bass On
Surround set 100hz
LFE set 100 hz
100hz以下十仔做surround野, L/C/R 100hz以下前中同十仔會同時做100hz以下既聲頻?

想confirm一吓

xxxxERICxxxx 發表於 2010-7-8 15:42

我所知就, 唔開DOUBLE,
前置設為大/全頻/FULL, (睇下那一台, 大家叫法唔同)
就十仔唔理前置既低音部份,...
Jeff.C.Y 發表於 2010-7-8 14:30 http://www.post76.com/discuss/images/common/back.gif

點解我開左都無乜料到嘅.......{:6_140:}

kennethtcp 發表於 2010-7-8 16:15

咁講法, 不如舉個例
Setting A:
Front L/C/R set 70hz (set small)
Surround set 100hz
LFE set 100hz
10 ...
lemonstar 發表於 2010-7-8 15:40 http://www.post76.com/discuss/images/common/back.gif

我之前都講錯左少少, 以例子收正....
以 onkyoamp 講　（其他我唔清楚, 樓主係 onkyo 507）double bass 只係影響前置, 即 L/R, 其他 C, SR L/R, SB L/R 都唔會影響, 以 setting A 講, surround channels 100Hz 以下都會交哂俾十仔做而自已唔會出,double bass on 時, 前置一定要 set 做 full band, 所以無得再揀 crossover (我之前講錯呢度), 所以前置會出哂 full band, 而前置既低頻亦同時交哂俾十仔, 一齊出聲... double bass off 時, 前置 crossover 為 70hz, 咁前置最低只會出到 70Hz, 70hz 以下會交番俾十仔出, 而前置 70hz 以上既 band 就唔會交俾十仔出

Setting B:你大至岩,除左 centre speaker double bass 唔會有effect 外...

lemonstar 發表於 2010-7-8 16:26

本帖最後由 lemonstar 於 2010-7-8 16:27 編輯

我之前都講錯左少少, 以例子收正....
以 onkyoamp 講　（其他我唔清楚, 樓主係 onkyo 507）double bas ...
kennethtcp 發表於 2010-7-8 16:15 http://www.post76.com/discuss/images/common/back.gif

咁以setting A來說,
前置既70-100係會前置做番only(subwoofer唔會出呢段)
定係70-100都會由前置+subwoofer duplicate咁一齊出呢段呢

kennethtcp 發表於 2010-7-8 16:28

原來有列子, MISS左篇回文, 比某個外星生物攪到無睇番頁一, 呵呵

師兄解釋得好詳細喔! 比5個叻你!!
我完 ...
Jeff.C.Y 發表於 2010-7-8 16:24 http://www.post76.com/discuss/images/common/back.gif

老實講, 我都被個例子攪到亂哂大龍 XD 諗真d 先知自已之前都up 錯少少野 XD
其實 manual 寫得好簡單易明:

Double Bass:
With this setting, you can boost bass output by feeding front left and right channel bass sounds to the subwoofer.
This setting can only be made if the “Subwoofer” setting in step 4 is set to “Yes”, and the “Front” setting in step 5
is set to “Full Band”.
On:
In addition to LFE channel sounds, the subwoofer outputs front left and right channel bass sounds.

hintel 發表於 2010-7-8 16:28

咁以setting A來說,
前置既70-100係會前置做番only(subwoofer唔會出呢段)
定係70-100都會由前置+subwoof ...
lemonstar 發表於 2010-7-8 16:26 http://www.post76.com/discuss/images/common/back.gif
如果行double bass MODE 時:
70-100都會由前置+subwoof一起出

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何為double bass?