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2. Now hear this: These waterproof earbuds are 50% for ... - AOL

   www.aol.com/lifestyle/now-hear-waterproof...

   It's their superior audio quality, of course, courtesy of 6mm speaker drivers that produce powerful, crystal clear sound and heart-thumping bass. Trust us — these earbuds sound way better than ...

3. Monaural sound - Wikipedia

   en.wikipedia.org/wiki/Monaural_sound

   Monaural sound or monophonic sound (often shortened to mono) is sound intended to be heard as if it were emanating from one position. [1] This contrasts with stereophonic sound or stereo, which uses two separate audio channels to reproduce sound from two microphones on the right and left side, which is reproduced with two separate loudspeakers ...

4. PC speaker - Wikipedia

   en.wikipedia.org/wiki/PC_speaker

   A PC speaker is a loudspeaker built into some IBM PC compatible computers. The first IBM Personal Computer, model 5150, employed a standard 2.25 inch magnetic driven (dynamic) speaker. [1] More recent computers use a tiny moving-iron or piezo speaker instead. [2] The speaker allows software and firmware to provide auditory feedback to a user ...

5. Covox Speech Thing - Wikipedia

   en.wikipedia.org/wiki/Covox_Speech_Thing

   The Covox Speech Thing is an external digital-to-analog converter (DAC) that plugs into the parallel printer port of a PC. It converts 8- bit digital sound using a simple R-2R resistor ladder into an analog signal output. The Speech Thing was introduced on December 18, 1987 [1] by Covox, Inc. of Eugene, Oregon, for about US$70 [2] (equivalent ...

6. RealSound - Wikipedia

   en.wikipedia.org/wiki/RealSound

   RealSound. RealSound is a patented (US US5054086 A) technology for the PC created by Steve Witzel of Access Software during the late 1980s. [1] RealSound enables 6-bit [2] digitized pulse-code modulation (PCM)-audio playback on the PC speaker by means of pulse-width modulation (PWM) drive, allowing software control of the loud speaker's ...

7. Computer speakers - Wikipedia

   en.wikipedia.org/wiki/Computer_speakers

   A pair of external speakers for notebook computers that are powered and audio-connected to the computer via USB. Computer speakers, or multimedia speakers, are speakers sold for use with computers, although usually capable of other audio uses, e.g. for an MP3 player. Most such speakers have an internal amplifier and consequently require a power ...