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Bit depth determines the resolution of digital audio, affecting the dynamic range and the noise floor of a recording. Common bit depths are 16-bit and 24-bit. Higher bit depth allows more precision in audio recording.

Frequency response refers to the range of frequencies a microphone or speaker can reproduce. It's crucial for audio clarity and ensuring that all desired tones are accurately captured or reproduced in video production.

AGC is a feature that automatically adjusts the microphone gain to maintain consistent audio levels, which can be helpful in variable conditions but may introduce noise or artifacts in video production.

The sample rate, measured in Hz, defines how often audio samples are captured per second. In video production, 48 kHz is a standard rate, impacting the audio's fidelity and synchronicity with video.

Different types of microphones (dynamic, condenser, ribbon) are used in video production to capture audio. The choice depends on the recording conditions and sound source. It's important as it affects sound quality and clarity.

Microphone polar patterns describe how microphones pick up sound, affecting how much background noise is captured. Common patterns include omnidirectional, cardioid, and supercardioid. This is crucial for controlling the focus of the audio capture.

Dynamic range compression reduces the volume of loud sounds or amplifies quiet sounds by narrowing the dynamic range of an audio signal. Key for maintaining consistent levels and preventing distortion in video audio.

Peak level refers to the highest level audio signal reaches, while RMS (Root Mean Square) level is a measure of the average power of the audio signal. Both are important for understanding the loudness and dynamic range in a video's audio track.

EQ involves adjusting the balance of frequency components in an audio signal. By boosting or cutting frequencies, audio can be made clearer and more intelligible in a mix, which is vital for post-production.

Reverb is the persistence of sound after it is produced. It gives the listener clues about the size of the space and distance from the sound source. Careful use in post-production can enhance the viewer's immersion.

ADR is the process of re-recording dialogue in a studio to replace the audio captured on set. It is used when the original recording is unusable due to noise or technical issues, improving overall audio quality.

Sound design is the art of creating audio elements like ambient sounds, sound effects, and foley to enhance the narrative experience. It is essential for world-building and guiding the audience's emotional response.

Location sound refers to audio recorded at the time and place of filming. It is vital for realism and saves time in post-production by capturing clean dialogue and natural ambient sounds.

A soundstage is a controlled environment designed for the recording of live audio, such as music performances or elaborate dialogue scenes. Ensures high-quality audio capture without unpredictable external noise.

An audio interface is a device that connects microphones and other audio equipment to a computer. It's important for converting analog audio signals to digital form and vice versa during the editing process.

Direct sound reaches the listener straight from the source, while reflected sound bounces off surfaces before reaching the listener. The balance of these affects audio clarity and can be controlled in video production for desired effects.

Foley is the reproduction of everyday sound effects added in post-production to enhance the audio quality of a video. It helps to create a more immersive experience by matching sound to visual actions.

The noise floor is the level of background noise in a recording or audio signal below which audio signals cannot be differentiated. Keeping it as low as possible is key for clear audio capture.

A DAW is a software platform used for recording, editing, mixing, and mastering audio files. It's an essential tool for post-production in video as it allows for a high degree of control over the audio track.

Phantom power is a method to provide power to microphones without the need for a dedicated power supply, often required by condenser microphones. It's vital for using high-quality mics in various recording situations.

A limiter is a type of compressor that prevents an audio signal from exceeding a certain threshold, protecting against distortion and clipping. It is crucial for live recording when levels are unpredictable.

Dialogue norm refers to the standard average level at which dialogue is mixed, ensuring consistent loudness for listeners. It's an important consideration during audio post-production for video.

LuFS is a standard to measure audio loudness levels and it addresses perceived loudness. It is used for consistent sound levels within a video production and for meeting broadcast standards.

Impedance is the measure of resistance a circuit presents to the flow of alternating current. Matching the impedance of microphones to other audio equipment is important to ensure optimum audio quality and to prevent signal loss.