🎰 Line level - Wikipedia

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In many cards, the microphone connector will be pink, the line out or headphone will be lime green, and the stereo line in will be light blue. Additional jacks may.


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Headphone Jack (mm) definition (Phone Scoop)
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Jack Line | Definition of Jack Line by Merriam-Webster
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A small round connector for accepting the pin-shaped plug from a standard pair of music headphones. Older phones used a smaller mm jack for phone.


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In many cards, the microphone connector will be pink, the line out or headphone will be lime green, and the stereo line in will be light blue. Additional jacks may.


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Line level is the specified strength of an audio signal used to transmit analog sound between 3-conductor TRS minijack connector providing ground, left channel, and right channel, or stereo RCA jacks. The line level signal is an alternating current signal without a DC offset, meaning that its voltage varies with respect.


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Line level is the specified strength of an audio signal used to transmit analog sound between 3-conductor TRS minijack connector providing ground, left channel, and right channel, or stereo RCA jacks. The line level signal is an alternating current signal without a DC offset, meaning that its voltage varies with respect.


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A small round connector for accepting the pin-shaped plug from a standard pair of music headphones. Older phones used a smaller mm jack for phone.


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Line in will usually be stereo and about 10Kohm impedance. Mic in is mono and about Kohm impedance and expecting SIGNIFICANTLY lower levels than.


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Unless your computer is very old, the jacks are color-coded green for line-out -- for speakers or headphones -- blue for line-in and pink for a microphone.


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A small round connector for accepting the pin-shaped plug from a standard pair of music headphones. Older phones used a smaller mm jack for phone.


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A small round connector for accepting the pin-shaped plug from a standard pair of music headphones. Older phones used a smaller mm jack for phone.


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In February , C. Many small video cameras, laptops, recorders and other consumer devices use a 3. Because of a lack of standardization in the past regarding the dimensions length given to the ring conductor and the insulating portions on either side of it in 6. Western Electric was the manufacturing arm of the Bell System , and thus originated or refined most of the engineering designs, including the telephone jacks and plugs which were later adopted by other industries, including the U. Support for input was dropped on various later models [40] [41]. Sometimes termed phantom power , this is not a suitable power source for microphones designed for true phantom power and is better termed bias voltage. Stereo sockets commonly provide two such NC contacts, one for the tip left channel live and one for the ring or collar right channel live.{/INSERTKEYS}{/PARAGRAPH} Compatibility between different manufacturers is unreliable. The second, which reverses these contacts, with the microphone on the sleeve, is used by Apple 's iPhone line, and has become the de-facto TRRS standard, to maintain compatibility with these products. The Apple PlainTalk microphone jack used on some older Macintosh systems is designed to accept an extended 3. Patents ,, [16] ,, [17] and , relating to an improved design that more closely resembles the modern plug. The 2. Most commonly, a mono jack is provided with one normally closed NC contact, which is connected to the tip live connection when no plug is in the socket, and disconnected when a plug is inserted. These are particularly used for Voice over IP. Wireless connectorless headsets or headphones usually use the Bluetooth protocol. Four-conductor versions of the 3. The most common arrangement remains to have the male plug on the cable and the female socket mounted in a piece of equipment: the original intention of the design. MMIC , outlines technical requirements and test methods for a 5-pole socket and plug configuration. TRRRS connectors enable following audio applications: active noise cancelling, binaural recording and others, where dual analogue microphone lines can be directly connected to a host device. By the s, broadcast radio stations were using Western Electric Code No. {PARAGRAPH}{INSERTKEYS}A phone connector , also known as phone jack , audio jack , headphone jack or jack plug , is a family of electrical connectors typically used for analog audio signals. Phone plugs and jacks are not to be confused with the similar terms phono plug and phono jack or in the UK, phono socket which refer to RCA connectors common in consumer hi-fi and audiovisual equipment. Less commonly used sizes, both diameters and lengths, are also available from some manufacturers, and are used when it is desired to restrict the availability of matching connectors, such as 0. Neither misconfiguration will damage consumer hardware, but providing power when none is needed could destroy a broadcast-type microphone. It became very popular with its application on the Walkman in , as unlike earlier transistor radios, these devices had no speaker of their own; the usual way to listen to them was to plug in headphones. Clausen received a patent on an improved design. The 4-pole 3. Plugging a stereo plug into one of the two mono jacks typically results in the audio coming into only one ear. The extra tip connection in the microphone plug is often left unconnected but is also sometimes used for various functions, most commonly an optional push-to-talk switch, but on some aircraft it carries headphone audio and on others a DC supply. The outside diameter of the "sleeve" conductor is 6. In addition to a slightly smaller diameter, they have a slightly different geometry. A similar type of 3. The "mini" connector has a diameter of 3. A short-barrelled version of the phone plug was used for 20th century high-impedance mono headphones, and in particular those used in World War II aircraft. Therefore, P. This is to accommodate rear-center 6. US military phone connectors include both 0. Any 3. Personal computer sound cards , such as Creative Labs ' Sound Blaster line, use a 3. Some computers now also include a TRRS headset socket, compatible with headsets intended for smartphones. This can result in a contact in the socket bridging shorting the ring and sleeve contacts on a phone connector. There is talking sound only by holding the microphone key. Headsets using this wiring may be indicated by white plastic separators between the rings. These connectors are still used today in telephone company central offices on "DSX" patch panels for DS1 circuits. Where they differ is in the placement of the microphone and return contacts:. In the converse case recorder provides no power; microphone needs power , no sound will be recorded. Some devices apply voltage to the sleeve and second ring to detect the wiring, and switch the last two conductors to allow a device made to one standard to be used with a headset made to the other. Modern phone connectors are available in three standard sizes. The phone connector was invented for use in telephone switchboards in the 19th century and is still widely used. Two different forms are frequently found, both of which place left audio on the tip and right audio on the first ring for compatibility with stereo connectors. Two incompatible variants exist, of 15 millimetres 0. When a three-conductor version of the 6. The type plug was used instead of the standard type switchboard plug because the location of the large bulb shape on this TRS plug would have resulted in both audio signal connections being shorted together for a brief moment while the plug is being inserted and removed. Panel-mounting jacks are often provided with switch contacts. Though unable to handle as much power, and less reliable than a 6. By , Western Electric had designed a number of models for different purposes, including: [20]. If a recorder provides plug-in power, and the microphone does not need it, everything will usually work ok, although the sound quality may be lower than expected, as the microphone may not work optimally with a constant DC current flowing through it. The 3. The standard is that a plug described as the male connector will connect with a jack described as female. These have become rare. In the UK, the terms jack plug and jack socket are commonly used for the respective male and female phone connectors. In the latter role they were soon replaced by coaxial DC power connectors. In its original audio configuration, it typically has two, three, four and, occasionally, five contacts. Most 6. It is physically possible to use a normal plug in a short socket, but a short plug will neither lock into a normal socket nor complete the tip circuit. Mono audio will usually work, but stereo audio or microphone may not work, depending on wiring. Note that Creative's documentation uses the word "pole" instead of "conductor". Commercial and general aviation GA civil airplane headset plugs are similar, but not identical. The Type plug avoids this by having a shorter tip. The first, which places the ground return on the sleeve and the microphone on the second ring, is standardized in OMTP [42] and has been accepted as a national Chinese standard YDT — It is mostly used on older devices, such as older Nokia mobiles, older Samsung smartphones, and some Sony Ericsson phones, [43] and products meant for the China market. The phone connector is cylindrical in shape, with a grooved tip to retain it. Some portable computers have a combined 3. Specific models, and connectors used in specific applications, may be termed e. Ring contacts are typically the same diameter as the sleeve, the long shank. If a PlainTalk-compatible microphone is not available, the jack can accept a line-level sound input, though it cannot accept a standard microphone without a preamp. The original application for the 6. These fall into three categories:. Professional audio and the telecommunication industry use a 0. Aviation headphones are paired with special tip-ring-sleeve, 0. Some newer computers, such as Lenovo laptops, have 3. A four-conductor version is often used in compact camcorders and portable media players, providing stereo sound and composite analog video. There is also an EIA standard for 0. They were also used for low-voltage DC power input from wall adapters. In the microphone plug the Ring is used for the microphone hot and the sleeve is ground. Three-contact versions are known as TRS connectors , where T stands for "tip" , R stands for "ring" and S stands for "sleeve". These are used both for handsfree headsets esp. Scribner was issued US Patent , [14] for a "jack-knife" connector that is the origin of calling the receptacle a "jack". They often appeared next to a 3. Some devices transparently handle many jack standards, [62] [63] and there are hardware implementations of this available as components. Note that this is not a polarizing voltage for the condenser, as electrets by definition have an intrinsic voltage; it is power for a FET preamplifier built into the microphone. Adapters are available. Thus, for a sound card with 5. Of these many varieties, only the two-conductor version with a rounded tip profile was compatible between different manufacturers, and this was the design that was at first adopted for use with microphones , electric guitars, headphones , loudspeakers , and other audio equipment. Plug-in power is supplied on the same line as the audio signal, using an RC filter. The four conductors of a TRRS connector are assigned to different purposes by different manufacturers. Normally, 3. The profiles of stereo miniature and sub-miniature plugs have always been identical to the mono plugs of the same size. This attempt has long been abandoned, and now the convention is that all plugs fit all sockets of the same size, regardless of whether they are balanced or unbalanced, mono or stereo.