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  2. Dipole speaker - Wikipedia

    en.wikipedia.org/wiki/Dipole_speaker

    For this reason dipole speakers are often used as surround channel speakers, where a diffuse sound is desired to create ambience. A dipole speaker works by creating air movement (as sound pressure waves) directly from the front and back surfaces of the driver, rather than by impedance matching one or both outputs to the air. As a result ...

  3. Out of Phase Stereo - Wikipedia

    en.wikipedia.org/wiki/Out_Of_Phase_Stereo

    Out of Phase Stereo (OOPS) is an audio technique which manipulates the phase of a stereo audio track, to isolate or remove certain components of the stereo mix. It works on the principle of phase cancellation , in which two identical but inverted waveforms summed together will "cancel the other out".

  4. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    Sound is captured from the microphone(s) furthest from the mouth (the noise signal(s)) and from the one closest to the mouth (the desired signal). The signals are processed to cancel the noise from the desired signal, producing improved voice sound quality. In some cases, noise can be controlled by employing active vibration control. This ...

  5. Dipole - Wikipedia

    en.wikipedia.org/wiki/Dipole

    The bent molecule H 2 O has a net dipole. The two bond dipoles do not cancel. The overall dipole moment of a molecule may be approximated as a vector sum of bond dipole moments. As a vector sum it depends on the relative orientation of the bonds, so that from the dipole moment information can be deduced about the molecular geometry.

  6. Dipole antenna - Wikipedia

    en.wikipedia.org/wiki/Dipole_antenna

    German physicist Heinrich Hertz first demonstrated the existence of radio waves in 1887 using what we now know as a dipole antenna (with capacitative end-loading). On the other hand, Guglielmo Marconi empirically found that he could just ground the transmitter (or one side of a transmission line, if used) dispensing with one half of the antenna, thus realizing the vertical or monopole antenna.

  7. NBA Power Rankings: Where all 30 teams stand entering the ...

    www.aol.com/sports/nba-power-rankings-where-30...

    From the tanking teams to those that refuse to lose, and the many pretenders to the few contenders, we give you the world's most accurate power rankings.

  8. Georgie & Mandy EP Reflects on Lance Barber’s Return as ...

    www.aol.com/entertainment/georgie-mandy-ep...

    Georgie & Mandy’s First Marriage just reunited father and son. On the heels of its Season 2 renewal, Thursday’s episode of the Young Sheldon spinoff featured an appearance by Lance Barber, who ...

  9. Newman: How markets assess 3 buckets of Trump chaos [Video]

    www.aol.com/finance/newman-markets-assess-3...

    Tariffs. These represent Trump's biggest risk to markets. If Trump imposed all the tariffs he has threatened, the average tax on $4.1 trillion worth of imports would rise from 2.5% to 7% ...