Low-pass filter

A low-pass filter is a filter that passes signals with a frequency lower than a certain cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency. The amount of attenuation for each frequency depends on the filter design. The filter is sometimes called a high-cut filter, or treble cut filter in audio applications. A low-pass filter is the opposite of a high-pass filter. A band-pass filter is a combination of a low-pass and a high-pass filter.

Low-pass filters exist in many different forms, including electronic circuits (such as a hiss filter used in audio), anti-aliasing filters for conditioning signals prior to analog-to-digital conversion, digital filters for smoothing sets of data, acoustic barriers, blurring of images, and so on. The moving average operation used in fields such as finance is a particular kind of low-pass filter, and can be analyzed with the same signal processing techniques as are used for other low-pass filters. Low-pass filters provide a smoother form of a signal, removing the short-term fluctuations, and leaving the longer-term trend.

Mountain pass

A mountain pass is a route through a mountain range or over a ridge. If following the lowest possible route, a pass is locally the highest point on that route. Since many of the world's mountain ranges have presented formidable barriers to travel, passes have been important since before recorded history, and have played a key role in trade, war, and migration. At lower elevations it may be called a hill pass. The highest pass is Thorong La, located in the Damodar Himal, north of the Annapurna range, Nepal.

Overview

Mountain passes make use of a gap, saddle or col (also sometimes a notch, the low point in a ridge). A topographic saddle is analogous to the mathematical concept of a saddle surface, with a saddle point marking the highest point between two valleys and the lowest point along a ridge. On a topographic map, passes are characterized by contour lines with an hourglass shape, which indicates a low spot between two higher points.

Passes are often found just above the source of a river, constituting a drainage divide. A pass may be very short, consisting of steep slopes to the top of the pass, or may be a valley many kilometres long, whose highest point might only be identifiable by surveying.

Reading (legislature)

A reading of a bill is a debate on the bill held before the general body of a legislature, as opposed to before a committee or other group. In the Westminster system, there are usually several readings of a bill among the stages it passes through before becoming law as an Act of Parliament. Some of these readings are usually formalities rather than substantive debates.

First reading

A first reading is when a bill is introduced to a legislature. Typically, in the United States, the title of the bill is read and immediately assigned to a committee. The bill is then considered by committee between the first and second readings. In the United States Senate and most British-influenced legislatures, the committee consideration occurs between second and third readings.

In Ireland, the first reading is referred to as "First Stage" and is leave to introduce a bill into a House of the Oireachtas. It may be taken in either house, but it does not need to be taken in both.

In New Zealand, once a bill passes first reading it is normally referred to a Select Committee. However, a Government can have a bill skip the select committee stage by a simple majority vote in Parliament.

Pass (military)

A pass is permission to be away from one's military unit for a limited period of time. Time away on a pass is not counted against leave, the annual allotment of days off from duty.

Types of passes

  • Normal off-duty hoursgranted to personnel to allow them to go off their military installation whenever they are not required to be on duty, subject to recall at any time as needed, and revocable at the unit's discretion.
  • Regular passgranted to allow personnel to be away for a designated period of time only. May be granted to those, such as trainees, not eligible for a normal off-duty hours pass.
  • Three-day passthe longest continuous pass granted allows a servicemember to be away for 72 consecutive hours. Often granted in recognition of special achievement or as a reward, especially as a way of granting a three-day weekend.
  • By country variations

    In the RAF, a "Permanent Pass" known as Form 557 would be issued to servicemen of good standing and six-months service allowing them to leave the quarters after duty until midnight and no further than eight miles (or as otherwise restricted on the form). It could be endorsed with permission to wear plain clothes.

    Low

    Low or LOW may refer to:

    Music

  • Low (band), an American indie rock group from Duluth, Minnesota
  • Albums

  • Low (David Bowie album), 1977
  • Low (Testament album), 1994
  • Low (Low EP), 1994
  • Songs

  • "Low" (Cracker song), 1993
  • "Low" (Flo Rida song), 2007
  • "Low" (Foo Fighters song), 2002
  • "Low" (Juicy J song), 2014
  • "Low" (Kelly Clarkson song), 2003
  • "Low", by Camp Mulla
  • "Low", by Coldplay from X&Y
  • "Low", by Inna from the self-titled album
  • "Low", by Marianas Trench from Fix Me
  • "Low", by R.E.M. from Out of Time
  • "Low", by Silverchair from Young Modern
  • "Low", by Sleeping with Sirens from Feel
  • "Low", by Tech N9ne from K.O.D.
  • Other uses

  • Low (surname)
  • Launch on warning (LOW)
  • Low (complexity), a concept in computational complexity theory
  • Low (computability)
  • Low (comics), an Image Comics series by Rick Remender and Greg Tocchini
  • Low, Quebec, Canada
  • Low, Utah, United States
  • LOW Festival, a cultural festival
  • Low-pressure area, a concept in meteorology
  • Lo Wu Station, a rail station, MTR code LOW
  • Louise Weiss building, the seat of the European Parliament
  • Low (Flo Rida song)

    "Low" is the debut single by American rapper Flo Rida, featured on his debut studio album Mail on Sunday and also featured on the soundtrack to the 2008 film Step Up 2: The Streets. The song features fellow American rapper T-Pain and was co-written with T-Pain. There is also a remix in which the hook is sung by Flo Rida rather than T-Pain. An official remix was made which features Pitbull and T-Pain. With its catchy, up-tempo and club-oriented Southern hip hop rhythms, the song peaked at the summit of the U.S. Billboard Hot 100.

    The song was a massive success worldwide and was the longest running number-one single of 2008 in the United States. With over 6 million digital downloads, it has been certified 7× Platinum by the RIAA, and was the most downloaded single of the 2000s decade, measured by paid digital downloads. The song was named 3rd on the Billboard Hot 100 Songs of the Decade. "Low" spent ten consecutive weeks on top of the Billboard Hot 100, the longest-running number-one single of 2008.

    Low (Testament album)

    Low is the sixth studio album by American heavy metal band Testament. It was released on September 30, 1994. It was the first Testament release not to feature two of its founding members Alex Skolnick (guitar) and Louie Clemente (drums).

    Background

    Low would be Testament's last album with Atlantic Records, leading group members to create their own label Burnt Offerings Inc. as part of the change.

    The record was recorded with original band members Chuck Billy (vocals), Eric Peterson (guitar) and Greg Christian (bass). It also saw the first of two Testament album appearances by artist John Tempesta (drums), and three for artist James Murphy (guitar). Long time Testament collaborator Del James is given composer and vocal credits on the album. Additionally, a music video was filmed for the title track.

    Artwork

    Album cover artwork for Low was designed by Dave McKean. He would go on to do the next two Testament studio album covers Demonic (1997) and The Gathering (1999).

    Reception and legacy

    Podcasts:

    LOW-PASS

    ALBUMS

    PLAYLIST TIME:

    Alligator Fingers

    by: Lips

    Shut up, throw away life, throw away life, throw away life.
    Shut up, throw away highs, throw away highs, throw away eyes.
    Now let me smile, let me smile when I look at you.




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