Audio Equipment

A:

The best karaoke system for home use is the Memorex MKS-SS2. Also known as the SingStand 2, this system connects to mp3 players, smartphones or tablets.

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  • What is the standard headphone jack size?

    Q: What is the standard headphone jack size?

    A: Most cellular phones rely on headset jacks that are sized at 3.5mm. The same size ports are also found on current models of laptop and desktop computers from all manufacturers.
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  • Why do singers wear earpieces?

    Q: Why do singers wear earpieces?

    A: A singer wears earpieces so he can control what he hears. A crowd or band can create background noise, which makes it hard for a singer to hear himself and the accompanying instruments or music track.
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  • How does a sound sensor work?

    Q: How does a sound sensor work?

    A: Sound sensors work by detecting differences in air pressure and transforming them into electrical signals. Sound sensors such as microphones usually have built-in amplifiers that increase the strength of the incoming signal.
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  • How loud is 50 decibels?

    Q: How loud is 50 decibels?

    A: Fifty decibels is the level of noise of a quiet conversation at home or a quiet stream. In comparison, the general base of 70 decibels is the noise level of a vacuum cleaner or of radio and TV audio.
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  • What are the disadvantages of a radio?

    Q: What are the disadvantages of a radio?

    A: A radio does not have the same advantages as other means of communication and entertainment such as the television and the Internet. It lacks visual appeal as no pictures emanate from a radio. A radio signal has limited strength.
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  • How do earphones work?

    Q: How do earphones work?

    A: Earphones, or headphones, work similarly to speakers in that they turn electrical energy into sound by using magnetism and the vibration of air. While a large speaker vibrates the air in the space around it to create sound, a pair of earphones only vibrates the air inside the ear canal. Earphones are usually designed as either closed-back or open-back, which affects how much sound can escape from them.
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  • How does a dipole antenna work?

    Q: How does a dipole antenna work?

    A: A dipole antenna uses two conductors of the same length to detect radio waves and transmit the corresponding variable electrical current to a receiver. Each conductor represents one-quarter of a wavelength, and when combined, the dipole can detect a half-wavelength signal. The length of the two conductors determines the operational frequency.
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  • What are the dimensions of a CD case?

    Q: What are the dimensions of a CD case?

    A: The standard dimensions of a CD case are 5.59 inches long by 4.92 inches wide and 0.39 inch deep. Inasmuch as some CD cases are designed to hold more than one CD, the case depth varies. On the other hand, the length and width of cases rarely vary.
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  • When did the first iPod come out?

    Q: When did the first iPod come out?

    A: The first iPod came out in October 2001. When it first hit the market, the 5-gigabyte first-generation iPod cost $399. In March 2002, a 10-gigabyte iPod model was released and sold for $499.
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  • How can I get better reception on my FM radio?

    Q: How can I get better reception on my FM radio?

    A: Getting better reception for an FM radio involves turning off other electronic devices that interfere with the radio's single, placing the radio in an area where it gets good reception or using the radio's antenna to its full potential. If the radio lacks an antenna, one is easily made using a piece of wire, such as a coat hanger.
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  • What is the difference between two-way and three-way speakers?

    Q: What is the difference between two-way and three-way speakers?

    A: Two-way speakers consist of a woofer and a tweeter, and three-way speakers have a woofer, tweeter and mid-range component. The mid-range component is designed for sounds in the 160 Hz to 5.2 KHz range, such as the sounds of a saxophone, human voice or trumpets.
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  • How do iPods work?

    Q: How do iPods work?

    A: The iPod, a digital music player, works by storing audio and video files on a hard drive. A graphical menu system allows users to access and play files. The device integrates with iTunes software on computers to back up files and purchase new media from the iTunes store online. Headphones are needed to hear audio on certain models of iPods, as of 2014.
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  • What do you need to furnish a home recording studio?

    Q: What do you need to furnish a home recording studio?

    A: For a quality home recording studio, you'll need a good microphone, a solid microphone stand, a pop filter, a shock mount for the microphone and all the electronics needed for recording your sound. To get even better quality, consider investing in soundproofing.
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  • How do you measure sound?

    Q: How do you measure sound?

    A: While sound is most commonly measured in decibels, it can also be measured in hertz for other purposes. Decibels measure the volume of sound, while hertz are used to measure the frequency.
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  • What is the difference between analog and digital data?

    Q: What is the difference between analog and digital data?

    A: Digital data refers to information stored as zeros and ones, while analog data refers to other storage methods. While digital data has largely supplanted analog data, some prefer analog storage techniques. Many analog records have been replaced by digital storage.
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  • How does a radio work?

    Q: How does a radio work?

    A: According to the University of Southern California, radios work by encoding information on radio waves then broadcasting the radio wave with the encoded information onto a particular frequency. Both AM and FM radios use radio waves to transmit programs on radio stations.
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  • Why won't an MP3 player work?

    Q: Why won't an MP3 player work?

    A: An MP3 player contains a number of critical components, and a single failure can cause it to stop functioning. According to Sony, The best way to test an MP3 player to see if it still works is to charge it.
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  • How big is a CD case?

    Q: How big is a CD case?

    A: There are several different types of CD cases. The standard single CD jewel case usually measures 5.59 inches by 4.92 inches by 0.39 inches. Slimline cases usually measure 5.59 inches by 4.92 inches by 0.2 inches.
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  • What is the best karaoke system for home use?

    Q: What is the best karaoke system for home use?

    A: The best karaoke system for home use is the Memorex MKS-SS2. Also known as the SingStand 2, this system connects to mp3 players, smartphones or tablets.
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  • What color speaker wire is positive?

    Q: What color speaker wire is positive?

    A: In dealing with speaker wires, the positive speaker wire will be silver in color. This is only visible if the insulation is clear or see-through so that color can be distinguished. The negative wire will usually be copper in color for this same instance.
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  • What are the advantages and disadvantages of a wireless microphone?

    Q: What are the advantages and disadvantages of a wireless microphone?

    A: The key advantage of a wireless microphone is that it gives greater freedom of movement. A notable disadvantage of a wireless microphone is that its operation time is limited by battery life. Compared to an ordinary condenser microphone, a wireless microphone runs on batteries that are greatly drained by the transmitting circuitry.
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