Audio Editing Terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| EQ | Process of adjusting various audio frequencies to correct and enhance sound.
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| normalization | Change audio overall volume by a fixed amount to reach a target level; used to match volumes and get max volume.
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| compression | Reduces the dynamic range of your recording by bringing down the level of the loudest parts, meaning the loud and quiet parts are now closer together in volume and the natural volume variations are less obvious.
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| amplitude | Loudness or intensity of sound at any given moment.
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| clipping | Occurs when a signal exceeds a systems headroom and results in distortion.
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| gain | Amplification effect of a sound by increasing the power of the signal.
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| de-ess | Process of decreasing overmodulated "s" sounds in a recorded voice.
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| noise gate | Turns off a signal path when an input signal is below a specified value, often used to remove background noise.
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| sample rate | Measured in kHz.
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| reverb | The way sound waves reflect off various surfaces before reaching the listener's ear, resulting in a sort of "echo" effect.
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| lossless | Audio codecs that can reduce audio file size to half the original but kept at full quality
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| lossy | Audio codecs that can get audio file size to around 1/10th of the original size but are reduced-quality
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| codec | This can reduce an audio file size by encoding the data more efficiently
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| stereo | When audio has two channels, a left and right
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| mono | When audio has only one channel
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| 44.1 kHz | Standard sample rate for CD audio
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| 48 kHz | Standard sample rate for DVD audio
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| OGG | The three audio types playable by browsers--mp3, wav, and this
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| FLAC | The most popular lossless compressed audio format
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| MP3 | The most widely used audio format, which is lossy and compressed but most supported
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| artifacts | Sounds that may be heard when compressing audio (clicks, pops, etc.) are called this
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