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The latest sound cards support up to 8 audio channels for the 7.1 speaker setup. [12] A few early sound cards had sufficient power to drive unpowered speakers directly – for example, two watts per channel. With the popularity of amplified speakers, sound cards no longer have a power stage, though in many cases they can adequately drive ...
The program used to dynamically load audio plug-ins is called a plug-in host. Example hosts include Bidule, Gig Performer, Mainstage, REAPER, and Sonic Visualiser.Plug-ins can also be used to host other plug-ins. [4] Communication between host and plug-in(s) is determined by a plug-in application programming interface ().
As a result, most motherboards with AC'97 audio require two jumpers to short these pins if no front panel audio module is connected, so audio passes to the speakers. [11]: 21 In the HD Audio design, the codec sends the audio directly to the speakers if a plug is not inserted.
A normal dynamic loudspeaker does this naturally, but the tiny metal diaphragm of the moving-iron speaker will let much switching noise pass, as will many direct couplings (though there are exceptions to this, e.g. filtered "speaker in" ports on some motherboards and sound cards). This use of the PC speaker for complex audio output became less ...
The intended application for a phone connector has also resulted in names such as audio jack, headphone jack, stereo plug, microphone jack, aux input, etc. Among audio engineers, the connector may often simply be called a quarter-inch to distinguish it from XLR, another frequently-used audio connector.
Speakon connectors are designed to be unambiguous in their use in speaker cables. With 1/4" speaker jacks and XLR connections, it is possible for users to erroneously use low-current shielded microphone or instrument cables in a high-current speaker application. Speakon cables are intended solely for use in high current audio applications.
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Wireless speakers are loudspeakers that receive audio signals using radio frequency (RF) waves rather than over audio cables. The two most popular RF frequencies that support audio transmission to wireless loudspeakers include a variation of WiFi IEEE 802.11 , while others depend on Bluetooth to transmit audio data to the receiving speaker.