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  2. Are Noise-Canceling Headphones Harmful to Your Ears? - AOL

    www.aol.com/noise-canceling-headphones-harmful...

    Keeping the volume reasonable—preferably below 80dB (decibels) is essential to prevent hearing damage when using noise-canceling headphones.

  3. Headphone amplifier - Wikipedia

    en.wikipedia.org/wiki/Headphone_amplifier

    Headphone amps with sub-mixing capabilities allow the listener to adjust, mix and monitor audio signals coming from multiple sources at the same time. This kind of headphone amp is often utilized during recording sessions to sub-mix playback of individual stem-mixes or instruments coming from a mixing board or a playback device.

  4. Automatic volume limiter system - Wikipedia

    en.wikipedia.org/wiki/Automatic_volume_limiter...

    The aim of this feature is to stop the headphones drowning out all other noise, and to limit the noise from the headphones being heard by other people. [2] It can also prevent listeners from damaging their hearing. This volume limit can be set by the manufacturer or customized by the user.

  5. Tone control circuit - Wikipedia

    en.wikipedia.org/wiki/Tone_control_circuit

    Tone control is a type of equalization used to make specific pitches or frequencies in an audio signal softer or louder. It allows a listener to adjust the tone of the sound produced by an audio system to their liking, for example to compensate for inadequate bass response of loudspeakers or earphones, tonal qualities of the room, or hearing impairment.

  6. Jabra's latest headphones automatically adjust to your ... - AOL

    www.aol.com/news/2019-01-06-jabra-elite-85h...

    At CES 2018, Jabra debuted its Elite 65t true wireless earbuds, an audio device that would eventually become one of our favorite headphones of the year. For CES this time around, the company has a ...

  7. Automatic gain control - Wikipedia

    en.wikipedia.org/wiki/Automatic_gain_control

    Schematic of an AGC used in the analog telephone network; the feedback from output level to gain is effected via a Vactrol resistive opto-isolator.. Automatic gain control (AGC) is a closed-loop feedback regulating circuit in an amplifier or chain of amplifiers, the purpose of which is to maintain a suitable signal amplitude at its output, despite variation of the signal amplitude at the input.

  8. TikToker claims raising your headphone volume over a certain ...

    www.aol.com/tiktoker-claims-raising-headphone...

    The influencer claimed that if you crank up your headphone volume a bit too high, everyone will be able to hear what you're listening to, no matter how embarrassing. "Just found out that if your ...

  9. Dynamic range compression - Wikipedia

    en.wikipedia.org/wiki/Dynamic_range_compression

    The length of each period is determined by the rate of change and the required change in gain. For more intuitive operation, a compressor's attack and release controls are labeled as a unit of time (often milliseconds). This is the amount of time it takes for the gain to change a set amount of dB or a set percentage towards the target gain.