The correct answer is: A. voice-balance
The voice-balance property sets the apparent position (in stereo sound) of the synthesized voice for spoken media. It can be used to create a sense of depth and space in the audio, or to make the voice sound like it is coming from a specific location.
The media-balance property sets the overall volume of the audio, while the balance property sets the relative volume of the left and right channels.
Here is a more detailed explanation of each option:
- A. voice-balance sets the apparent position (in stereo sound) of the synthesized voice for spoken media. It can be used to create a sense of depth and space in the audio, or to make the voice sound like it is coming from a specific location.
- B. media-balance sets the overall volume of the audio.
- C. balance sets the relative volume of the left and right channels.
- D. none of the mentioned is not a valid option.