Subwoofer

A subwoofer (or sub) is a woofer, or a complete loudspeaker, which is dedicated to the reproduction of low-pitched audio frequencies known as bass. The typical frequency range for a subwoofer is about 20–60 Hz for consumer products, below 100 Hz for professional live sound, and below 80 Hz in THX-approved systems. Subwoofers are intended to augment the low frequency range of loudspeakers covering higher frequency bands.

Subwoofers are made up of one or more woofers mounted in a loudspeaker enclosure—often made of wood—capable of withstanding air pressure while resisting deformation. Subwoofer enclosures come in a variety of designs, including bass reflex (with a port or passive radiator in the enclosure), infinite baffle, horn-loaded, and bandpass designs, representing unique tradeoffs with respect to efficiency, bandwidth, size and cost. Passive subwoofers have a subwoofer driver and enclosure and they are powered by an external amplifier. Active subwoofers include a built-in amplifier.

Vehicle audio

Vehicle audio is equipment installed in a car or other vehicle to provide in-car entertainment and information for the vehicle occupants. Until the 1960s it consisted of a simple AM radio. Additions since then have included FM radio, CD players, navigation systems, Bluetooth telephone integration, and smartphone controllers like CarPlay and Android Auto. Once controlled from the dashboard with a few buttons, they can now be controlled by steering wheel controls and voice commands.

Initially implemented for listening to music and radio, vehicle audio is now part of car telematics, telecommunication, in-vehicle security, handsfree calling, navigation, and remote diagnostics systems. It is also used to create fake engine noise. For the 2015 Ford Mustang EcoBoost, an "Active Noise Control" system was developed that amplifies the engine sound through the car speakers. A similar system is used in the F-150 pickup truck. Volkswagen uses a Soundaktor, a special speaker to play sounds in cars such as the Golf GTi and Beetle Turbo. BMW plays a recorded sample of its motors through the car speakers, using a different samples according to the engine’s load and power.

To Be (song)

"To Be" is the English title of a Japanese-language song by Ayumi Hamasaki. It was released as the singer's eighth single on May 12, 1999. The song begins "Dare mo ga toorisugite...", and does not contain the phrase "to be" or any other English lyrics.

Information

"To Be" was released less than a month after her first number one single, "Love (Destiny)." Hamasaki's first song to be composed by Do as Infinity composer DAI, "To Be" was unable to reach the top position on the Oricon, unlike its predecessor. Hamasaki re-recorded "To Be" in celebrating her 10th anniversary in the music business in 2008 and it appeared as a B-Side on her Days/Green single.

PV

The music video for "TO BE" was directed by longtime collaborator Takeishi Wataru. It shows Hamasaki singing as seen by a little boy through a kaleidoscope. It makes use of various backgrounds, outfits, makeup, and wigs to bring as much color as possible into the world the little boy sees. At the end, the kaleidoscope lens breaks, and Hamasaki is seen in black and white.