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2. Use keyboard shortcuts to control video content on AOL

   help.aol.com/articles/use-keyboard-shortcuts-to...

   Increase volume by 5% of the maximum Up arrow: Decrease volume by 5% of the maximum Down arrow: Enters or exits fullscreen mode F: Mutes or unmutes the player volume M: Shows or hides closed captions if available C: Rewinds the playback to the beginning 0: Reply all A: Positions the play head to a predefined position.

3. Audio time stretching and pitch scaling - Wikipedia

   en.wikipedia.org/wiki/Audio_time_stretching_and...

   Time stretching is the process of changing the speed or duration of an audio signal without affecting its pitch. Pitch scaling is the opposite: the process of changing the pitch without affecting the speed. Pitch shift is pitch scaling implemented in an effects unit and intended for live performance. Pitch control is a simpler process which ...

4. Comparison of video codecs - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_video_codecs

   Α video codecis softwareor a device that provides encodingand decodingfor digital video, and which may or may not include the use of video compressionand/or decompression. Most codecs are typically implementations of video coding formats. The compression may employ lossy data compression, so that quality-measurement issues become important.

5. Square–cube law - Wikipedia

   en.wikipedia.org/wiki/Square–cube_law

   Its volume would be multiplied by the cube of 2 and become 8 m 3. The original cube (1 m sides) has a surface area to volume ratio of 6:1. The larger (2 m sides) cube has a surface area to volume ratio of (24/8) 3:1. As the dimensions increase, the volume will continue to grow faster than the surface area. Thus the square–cube law.

6. Boyle's law - Wikipedia

   en.wikipedia.org/wiki/Boyle's_law

   For a fixed mass of an ideal gas kept at a fixed temperature, pressure and volume are inversely proportional. [2] Boyle's law is a gas law, stating that the pressure and volume of a gas have an inverse relationship. If volume increases, then pressure decreases and vice versa, when the temperature is held constant.

7. Equalization (audio) - Wikipedia

   en.wikipedia.org/wiki/Equalization_(audio)

   Equalization, or simply EQ, in sound recording and reproduction is the process of adjusting the volume of different frequency bands within an audio signal. The circuit or equipment used to achieve this is called an equalizer. [ 1 ][ 2 ] Most hi-fi equipment uses relatively simple filters to make bass and treble adjustments.

8. Loudness war - Wikipedia

   en.wikipedia.org/wiki/Loudness_war

   Different releases of ABBA 's 1980 song " Super Trouper " show different levels of loudness compared to the original 1980 release. The loudness war (or loudness race) is a trend of increasing audio levels in recorded music, which reduces audio fidelity and—according to many critics—listener enjoyment. Increasing loudness was first reported ...

9. Surface-area-to-volume ratio - Wikipedia

   en.wikipedia.org/wiki/Surface-area-to-volume_ratio

   The surface-area-to-volume ratio has physical dimension inverse length (L −1) and is therefore expressed in units of inverse metre (m -1) or its prefixed unit multiples and submultiples. As an example, a cube with sides of length 1 cm will have a surface area of 6 cm 2 and a volume of 1 cm 3. The surface to volume ratio for this cube is thus.