Search results
Results from the WOW.Com Content Network
In 1912, the company made whistles that were used by the crew on board the RMS Titanic. [4] In 1927 Hudson purchased A De Courcy's patent rights, tools and stock. Hudson became the world's largest maker, gaining the Thunderer Registered Trademark. The Acme Thunderer whistle and its variations became the world's best-selling whistle.
This sound, dubbed the Whistle, was recorded by the eastern Pacific autonomous hydrophone deployed at on July 7, 1997 at 07:30GMT. According to NOAA, the Whistle is similar to volcanogenic sounds previously recorded in the Mariana volcanic arc of the Pacific Ocean. NOAA also stated that locating the source of an event requires at least three ...
That where the technology is available, drivers should only use the low tone from the two tone horn at whistle boards. For all new or replacement train horns on trains capable of travelling up to 100 mph (160 km/h) a much lower minimum sound pressure level has been established – and a maximum sound level has been introduced (min 101 dB and ...
Sound Ideas is a Canadian audio company and the archive of one of the largest commercially available sound effects libraries in the world. [2] [3] It has accumulated the sound effects, which it releases in collections by download or on CD and hard drive, through acquisition, exclusive arrangement with movie studios, [4] and in-house production.
Bop It, stylized as bop it! since 2008, is a line of audio game toys. By following a series of commands issued through voice recordings produced by a speaker by the toy, which has multiple inputs including pressable buttons, pull handles, twisting cranks, spinnable wheels, flickable switches, the player progresses and the pace of the game increases.
Jamaican dancehall music was the first musical genre to use the effect, and has been using the airhorn sample for over 26 years, in live shows as well as on mixtape recordings, and in Puerto Rican reggaeton, a reggae hybrid genre since the late '80s and '90s. [7] The sound effect has recently been used in hip hop music as well.
As far back as Ancient Greece, sound effects have been used in entertainment productions. Sound effects (also known as sound FX, SFX, or simply FX) are used to enhance theatre, radio, film, television, video games, and online media. Sound effects were originally added to productions by creating the sounds needed in real-time.
A whistle is a quarter-wave generator, which means that a sound wave generated by a whistle is about four times the whistle length. If the speed of sound in the steam supplied to a whistle were 15936 inches per second, a pipe with a 15-inch effective length blowing its natural frequency would sound near middle C: 15936/(4 x