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Basic Sound Design
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Room Tone
Room tone is the natural sound of a location recorded without any intentional sound from the cast or crew. It is used to maintain audio continuity and fill in gaps during editing.
Frequency
Frequency is the rate at which a sound wave vibrates, measured in Hertz (Hz). It determines the pitch of a sound. In sound design, different frequencies can be boosted or cut to modify tones.
Diegetic Sound
Diegetic sound is sound that originates from sources within the film's world, such as characters talking or doors slamming. It contributes to the film’s realism.
Mix
Mixing is the process of combining multiple audio tracks into a single sound. In video production, the sound mix balances dialogue, music, and effects to create the final audio track for a scene.
Noise Reduction
Noise reduction is the process of removing unwanted background noise from audio recordings. Sound designers use various techniques to clean up signals for a clearer sound.
Sound Effects (SFX)
Sound effects are artificial sounds added to video to enhance the storytelling or create an impression of reality. They range from simple noises to complex audio mixtures.
Reverb
Reverb is the effect of sound waves reflecting off surfaces and blending together, causing a persistence of sound after the source has stopped. In video production, reverb can simulate various environments.
Soundstage
The soundstage is a term used to describe the perceived spatial locations of sound sources in stereo and surround sound mixes. A wide soundstage can give the impression of an expansive audio environment.
Direct Sound
Direct sound is the sound captured directly from the source without any reflections. In video production, capturing clear direct sound is crucial, especially for dialogue.
Equalization (EQ)
Equalization involves adjusting the balance of frequency components in an audio signal. Sound designers use EQ to shape the tone of sounds and ensure clarity in the mix.
Foley
Foley is the reproduction of everyday sound effects added to video in post-production. It is used to enhance the realism of scenes and is performed by Foley artists.
Boom Mic
A boom mic is a microphone attached to a boom pole, used to capture audio from performers while remaining out of the camera’s shot. It allows for flexible placement near the action.
Delay
Delay is an audio effect that repeats a sound after a set period of time. It can be used creatively in sound design to add depth or rhythmic elements to audio tracks.
ADR (Automated Dialogue Replacement)
ADR is the process of re-recording dialogue in a studio to improve audio quality or reflect dialogue changes. It's often used when the original on-set audio is unusable.
Amplitude
Amplitude refers to the loudness or volume level of a sound wave. In video production, adjusting amplitude is critical for achieving the right balance between dialogue, music, and sound effects.
Non-Diegetic Sound
Non-diegetic sound is sound that does not originate from the world of the film, such as background music or a narrator's voice. It is used to inform and manipulate the viewer's emotional response.
Timbre
Timbre is the quality or color of a sound that distinguishes it from other sounds with the same pitch and loudness. Sound designers use timbre to create unique sounds for characters and environments.
Dynamic Range
The dynamic range is the difference between the quietest and loudest parts of an audio signal. In video production, compressors are used to reduce dynamic range for a more consistent sound level.
Ambience
Ambience refers to the background sounds that define the setting of a scene. Sound designers use ambient sounds to create a sense of place and mood.
Lavalier Mic
A lavalier mic is a small microphone that can be discreetly attached to clothing. It is frequently used in video production to capture dialogue clearly without the mic being visible on screen.
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