Flange is not a commonly used mixing technique in commercials as it can introduce an unnatural and distracting effect to the audio.

Compression is used in mixing for commercials to reduce the dynamic range of the audio, making it more consistent and easier to hear in different listening environments.

Multi-band compression is not a type of equalization, but rather a dynamic processing technique used to control the level of different frequency bands in the audio.

Reverb is used in mixing for commercials to create a sense of space and depth, making the audio sound more immersive and engaging.

Surround panning is not a common panning technique used in mixing for commercials, as commercials are typically mixed in stereo or mono.

A limiter is used in mixing for commercials to prevent the audio from clipping, which can cause distortion and unpleasant sounds.

Slow and soothing sounds are not typically used to create a sense of urgency or excitement in commercials, as they can have a calming effect.

A ducker is used in mixing for commercials to reduce the level of one audio track when another track is playing, preventing the two tracks from clashing or overpowering each other.

Fast-paced tempo is not typically used to create a sense of nostalgia or sentimentality in commercials, as it can have an energizing and upbeat effect.

A noise gate is used in mixing for commercials to remove unwanted noise from an audio track, such as background noise, hiss, or hum.

Slow and emotional tempo is not typically used to create a sense of humor or lightheartedness in commercials, as it can have a serious or somber effect.

A de-esser is used in mixing for commercials to reduce harshness or sibilance in vocals, making them sound smoother and more pleasant to listen to.

Fast-paced tempo is not typically used to create a sense of drama or suspense in commercials, as it can have an energizing and upbeat effect.

A stereo widener is used in mixing for commercials to create a wider stereo image, making the audio sound more spacious and immersive.

Slow and emotional tempo is not typically used to create a sense of energy or excitement in commercials, as it can have a calming or somber effect.