|
Portable CD Player
A portable CD player is a portable audio player used to play compact discs. The first audio player released was the Discman D-50 by Sony.Lungu, R"History of the Portable Audio Player." 2008-11-27. Features The basic features of a portable CD player are: #Play/Pause button #Stop button #Rewind button #Fast forward button #Hold button (some models) #Liquid crystal display #Headphone/Audio out socket The play/pause button allows the user to pause in the middle of a track (song) and resume play where the listener left off by pressing the button again. The stop button stops playing. The fast forward and rewind buttons can be held down to move rapidly forward (fast forward) or backward (rewind) in a track; play will resume once the button is preleased. The liquid crystal display provides a visual indicator of remaining battery life, currently playing track number, and the amount of time elapsed on the track. Some portable CD players can play CD-R/CD-RW discs and some can play o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Discman D121
was a brand name used by Sony for their portable CD players. The first Discman, the Sony D-50 or D-5 (depending on region), was launched in 1984. The Sony brand name for Discman changed to CD Walkman, initially for Japanese lineups launched between October 1997 and March 1998, and then entirely in 2000. Discman and CD Walkman players were discontinued at the beginning of the 2010s, when they lost popularity with the general public. Background Prior to the development of the Compact disc, cassette tapes were the dominant form of audio storage in the then-fledgling portable audio industry. In 1979, Sony introduced the Walkman in Japan. When Sony realized the potential of the CD, the Walkman was promoted to mainstream buyers. Original development Sony improved the design of the CDP-101 CD player which was launched in 1982, reducing the power consumption and the number of parts needed and making it smaller. The cost was reduced to between 50,000 and 60,000 yen, in what was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mini CD
Mini CDs, or pocket CDs, are CDs with a smaller diameter and one-third the storage capacity of a standard 120 mm disc. Formats Amongst the various formats are the * Mini CD single, a small disc. The format is mainly used for audio CD singles in certain regions (singles are sold on normal 120 mm CDs in many countries), much like the old vinyl single. An 80 mm disc can hold up to 24 minutes of music, or 210 MiB (210 × 220 bytes) of data. They are often referred to as ''Maxi CDs'' in some countries. **The low density version holds 18 minutes, or 155 MB. **Other formats are 185 MB (21 mins), which has the same data density as a 650 MB full-sized CD, and 210 MB (24 mins), with the same data density as a 700 MB full-sized CD, used for "Pocket" data storage. (see also miniDVD) * Business card CD (or "b-card"), a truncated (to the shape and size of a business card) disc with a storage capacity from 30 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Portable Audio Players
A portable audio player is a personal mobile device that allows the user to listen to recorded audio while mobile. Sometimes a distinction is made between a ''portable'' player, battery-powered and with one or more small loudspeakers, and a ''personal'' player, listened to with earphones. History Portable battery-operated reel-to-reel tape recorders were introduced in the 1950s, initially tending to be high-priced units for reporters, produced by Uher and Nagra. Lower-priced units became available later. In the mid-1960s Philips introduced the battery-operated compact cassette recorder, originally used for recording speech. At about the same time the 8-track player was introduced. It was very successful at the time, though bulky and inconvenient to use. There was a pause at the end of each track as the program changed. The compact cassette, although physically much smaller than the 8-track cartridge, became capable of good sound quality as the technology developed, and longer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Japanese Inventions
This is a list of Japanese inventions and Discovery (observation), discoveries. The Japanese have made contributions across a number of scientific, technological and art domains. In particular, the country has played a crucial role in the digital revolution since the 20th century, with many modern revolutionary and widespread technologies in fields such as electronics and robotics introduced by Japanese inventors and entrepreneurs. Arts * Kamishibai — Originates from 8th century Buddhist temples, where monks used ("picture scrolls"), an early combination of picture and text to convey a story. ** Superhero, Costumed superhero — Ōgon Bat (1930) and Kamishibai, Prince of Gamma (early 1930s) were the earliest costumed superheroes with Superpower (ability), superpowers. ** Mecha — Dai Ningen Tanku from ''Ōgon Bat'' (1931) was the first piloted Humanoid robot, humanoid giant mecha robot. means Giant , is the Japanese title of The Master Mystery(1919), and the Japanese n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Consumer Electronics
Consumer electronics, also known as home electronics, are electronic devices intended for everyday household use. Consumer electronics include those used for entertainment, Communication, communications, and recreation. Historically, these products were referred to as "black goods" in American English due to many products being housed in black or dark casings. This term is used to distinguish them from "white goods", which are meant for housekeeping tasks, such as Washing machine, washing machines and Refrigerator, refrigerators. In British English, they are often called "brown goods" by producers and sellers. Since the 2010s, this distinction has been absent in Big-box store, big box Consumer electronics store, consumer electronics stores, whose inventories include entertainment, communication, and home office devices, as well as home appliances. Radio broadcasting in the early 20th century brought the first major consumer product, the radio receiver, broadcast receiver. Later ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Portable Media Player
A portable media player (PMP) or digital audio player (DAP) is a portable consumer electronics device capable of storing and playing digital media such as audio, images, and video files. Normally they refer to small, Electric battery, battery-powered devices utilising flash memory or a Hard disk drive, hard disk for storing various media Computer file, files. MP3 players has been a popular alternative name used for such devices, even if they also support other file formats and media types other than MP3 (for example Advanced Audio Coding, AAC, FLAC, Windows Media Audio, WMA). Generally speaking, PMPs are equipped with a 3.5 mm headphone jack which can be used for headphones or to connect to a boombox, home audio system, or connect to car audio and home High fidelity, stereos wired or via a wireless connection such as Bluetooth, and some may include radio tuners, voice recording and other features. In contrast, analogue portable audio players play music from non-digital m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Portable Audio Player
A portable audio player is a personal mobile device that allows the user to listen to recorded audio while mobile. Sometimes a distinction is made between a ''portable'' player, battery-powered and with one or more small loudspeakers, and a ''personal'' player, listened to with earphones. History Portable battery-operated reel-to-reel tape recorders were introduced in the 1950s, initially tending to be high-priced units for reporters, produced by Uher and Nagra. Lower-priced units became available later. In the mid-1960s Philips introduced the battery-operated compact cassette recorder, originally used for recording speech. At about the same time the 8-track player was introduced. It was very successful at the time, though bulky and inconvenient to use. There was a pause at the end of each track as the program changed. The compact cassette, although physically much smaller than the 8-track cartridge, became capable of good sound quality as the technology developed, and long ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Personal Stereo
A personal stereo, or personal cassette player, is a portable audio player for cassette tapes. This allows the user to listen to music through headphones while walking, jogging or relaxing. Personal stereos typically have a belt clip or a shoulder strap so a user can attach the device to a belt or wear it over their shoulder. Some personal stereos came with a separate battery case. History The Sony Walkman was released in 1979, created by Akio Morita, Masaru Ibuka (the co-founders of Sony) and Kozo Ohsone. It became a popular and widely imitated consumer item in the 1980s. In everyday language, ''walkman'' became a generic term, referring to any personal stereo, regardless of producer or brand. The spread of personal stereo devices contributed to tape cassettes outselling vinyl records for the first time in 1983. The introduction of the personal stereo coincided with the 1980s aerobics vogue, making it very popular to listen to music during workouts. Moreover, the prevalence o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Walkman
is a brand of Personal stereo, portable audio players manufactured by Sony since 1979. It was originally introduced as a portable Compact Cassette, cassette player and later expanded to include a range of portable audio products. Since 2011, the brand has referred exclusively to digital flash memory players. The Walkman became widely popular during the 1980s for its portable design and private listening experience. It influenced popular culture by promoting individualized music consumption and supporting activities such as aerobics. Its widespread use gave rise to the "Walkman effect," a term describing how portable music devices and headphones allow listeners to control their sonic environment. In 1986, "Walkman" was added to the Oxford English Dictionary, and in some markets the term became a genericized trademark for portable audio players. The Walkman also contributed to the widespread adoption of the Compact Cassette format, which surpassed vinyl record sales in 1983. Son ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Portable DVD Player
A portable DVD player is a mobile, battery powered DVD player in the format of a mobile device. Many recent players play files from USB flash drives and SD cards. History The first portable DVD player was introduced in 1998 with the Panasonic DVD-L10. They are made to be practical for "on the go" use. Many are able to perform secondary functions such as playing music from audio CDs and displaying images from digital cameras or camcorders. Impact The popularity of low-cost battery powered portable DVD players in North Korea allows families to watch Chinese and South Korean programs on SD cards and USB flash drives. North Korean defectors run activist groups, such as Fighters for a Free North Korea that smuggle DVDs and SD cards into the country "to introduce North Koreans to the rest of the world". Activist groups planned to distribute DVD copies of '' The Interview'' via balloon drops. The balloon drop was postponed after the North Korean government referred to the plan as a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CD Player
A CD player is an electronic device that plays audio compact discs, which are a digital audio, digital optical disc data storage format. CD players were first sold to consumers in 1982. CDs typically contain recordings of audio material such as music or audiobooks. CD players may be part of home stereo systems, car audio systems, personal computers, or portable CD players such as CD boomboxes. Most CD players produce an output signal via a headphone jack or RCA jacks. To use a CD player in a home stereo system, the user connects an RCA cable from the RCA jacks to a hi-fi (or other power amplifier, amplifier) and loudspeakers for listening to music. To listen to music using a CD player with a headphone output jack, the user plugs headphones or earphones into the headphone jack. Modern units can play audio formats other than the original CD PCM audio coding, such as MP3, Advanced Audio Coding, AAC and Windows Media Audio, WMA. DJs playing dance music at clubs often use specialize ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phone Connector (audio)
A phone connector is a family of Cylinder, cylindrically-shaped electrical connectors primarily for Analog signal, analog audio signals. Invented in the late 19th century for Telephone switchboard, tele''phone'' switchboards, the phone connector remains in use for interfacing wired audio equipment, such as Headphone, head''phones'', Loudspeaker, speakers, Microphone, micro''phones'', mixing consoles, and electronic musical instruments (e.g. electric guitars, Electronic keyboard, keyboards, and effects units). A Gender of connectors and fasteners, ''male'' connector (a plug), is mated into a ''female'' connector (a socket), though #Other terms, other terminology is used. Plugs have 2 to 5 electrical contacts. The tip contact is indented with a groove. The sleeve contact is nearest the (conductive or Insulator (electricity), insulated) handle. Contacts are insulated from each other by a band of non-conductive material. Between the tip and sleeve are 0 to 3 ring contacts. Since ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
