Mixing involves adjusting the levels, panning, and effects of individual tracks to create a unified and harmonious sound.

Pitch shifting is not typically used as a mixing technique, as it alters the fundamental pitch of the audio.

Mastering involves a series of processes to optimize the audio for various playback systems, improve its overall sound quality, and ensure consistency across different formats.

Multi-band compression is typically applied during mixing rather than mastering.

Compression reduces the difference between the loudest and softest parts of the audio, making it more consistent and controlled.

Equalization allows you to boost or cut specific frequency ranges to shape the overall sound and correct any imbalances.

A limiter prevents the audio from exceeding a certain threshold, ensuring that it doesn't distort, while a compressor reduces the dynamic range by bringing the louder parts of the audio down and the softer parts up.

Dithering is a process that adds a small amount of random noise to the audio to reduce the harshness of quantization noise, which is caused by the conversion of analog audio to digital.

An RMS level of -23 dBFS is generally considered to be a good starting point for mastering, as it provides sufficient headroom for further processing and prevents distortion.

WAV is a lossless format, meaning it preserves the original audio quality, but it is also a large file size. For distribution, lossy formats like MP3, AAC, and FLAC are more commonly used due to their smaller file sizes.

Using a reference track allows the mastering engineer to compare the sound of the mastered audio to a professionally mastered track in the same genre, helping them make informed decisions about the overall sound and dynamics.

A stereo imager allows the mastering engineer to adjust the balance between the left and right channels, creating a wider or narrower stereo image.

Linear EQ is not a common type of mastering EQ, as it provides a fixed boost or cut across the entire frequency spectrum, which is not typically desired in mastering.

A multi-band compressor allows the mastering engineer to apply compression to specific frequency ranges, providing more control over the dynamics of the audio.

Limiting is not typically used to enhance the low end, as it can cause distortion if applied too heavily.