What Is LFE Plus Main?

Is LFE the same as subwoofer out?

The difference between the LFE channel and the subwoofer output is that the LFE channel is used to carry additional bass information in the Dolby Digital program while the subwoofer output represents how some or all of the bass information will be reproduced..

What phase should I set my subwoofer?

Typically, though, phase is left at 0° for most applications. While seated in your listening sweet spot, play music with bass content that is familiar to you and then have someone switch the 0/180 phase switch on the sub to 180-degrees. This will let you determine if the bass sounds louder in your seating position.

Is LFE digital or analog?

Dolby Digital’s LFE channel carries additional bass information from 120 Hz on down. This is not a roll-off but a digital brick wall (i.e., no 121 Hz info), so the content is usually rolled off by the sound engineer starting around 80 Hz for a smoother blend.

What is LFE mix level?

LFE MIX – controls the level of the discrete LFE (. … They are used in conjunction to ensure that the discrete LFE track is played back at the same level as any bass from the redirection circuitry.

What does LFE on a subwoofer mean?

low-frequency effectsThe low-frequency effects (LFE) channel is an audio track for deep, low-pitched sounds of 3–120 Hz. This track is normally sent to a subwoofer—a loudspeaker designed to reproduce very low-frequencies.

What is a subwoofer with a direct mode?

[SIZE=-1]HELPFUL HINT #2: When in “Direct” or “Pure Direct” mode, there is NO BASS MANAGEMENT. That means your front speakers will be sent a full-range signal even if they are set to “small”. Whatever bass your subwoofer produces will be “double bass”, duplicating the output of your front speakers.

What is phase in subwoofer normal or reverse?

Normal – the subwoofer is ‘in-phase’ with the other speakers; ie when the other speakers move in, the subwoofer moves in and when the other speakers move out, the subwoofer moves out. Reverse – 180 degrees out of phase. The subwoofer moves in when the other speakers move out.

How do I know what phase my subwoofer is?

If the sub and main speakers were in phase, he’d hear a single thump when he connected the battery to the wires leading to the sub’s terminals. If they were out of phase, he’d hear a double thump. That’s with passive subwoofers, though.

How do I connect my LFE subwoofer?

For the signal, use a subwoofer cable to connect your receiver’s subwoofer output to the LFE (low frequency effect) input on the sub. Many stereo receivers and amps also have subwoofer outputs for these connections.

What is Bose LFE?

The LFE knob on the Acoustimass module is for setting the level of sound, or rumble effect, of low frequency effects coming from the source, to your liking.

What should LFE be set at?

The LPF for LFE is the low pass filter setting for the LFE channel. Normally this is set to 120 Hz, since that is typically the upper limit used by DVD mixing engineers.”

Should I use LFE subwoofer?

You should use the LFE/. 1 input any time a REL subwoofer is being used in a Home Theater system. The Subwoofer/LFE/. 1 output from the processor or receiver should be connected to the .

What Hz is best for bass?

20-120 HzA 20-120 Hz rating is best for bass in most subwoofers. The lower the Hz, the more is the bass you can get. Some of the best subwoofers in the market have this Hz range. If you are buying a subwoofer that has a fixed Hz rating, you should ensure it is lower than 80 Hz if the bass is important to you.

Why are there two inputs on my subwoofer?

Dual input allows the subwoofer an extra sensitivity adjustment. Normally, it would be enough to use a mono LFE subwoofer signal from its processor. If you have a processor with very low output so you can use a Y-splitter. By using both inputs with the same mono signal doubles the subwoofer sensitivity.

What should I set my subwoofer crossover to?

Tips for Setting the Proper Crossover Frequency of a SubwooferIf you know your speaker’s frequency range, set the crossover point roughly 10 Hz above the lowest frequency your speakers can handle cleanly.The most common crossover frequency recommended (and the THX standard) is 80 Hz.The numbers below highlight general guidelines for speaker/subwoofer crossover frequencies.More items…