Remixing & Mashups Stem Separation & Audio Editing Techniques 2

Question 1

What is iZotope RX primarily used for when preparing stems for a remix?

Accepted Answer

Audio repair, noise reduction, and spectral editing

Answer

Generating new melodies using AI

Answer

MIDI sequencing and arrangement

Answer

Mastering the final mix

Question 2

Which subscription-based stem separation platform is known for high-quality output with minimal AI artifacts?

Accepted Answer

LALAL.AI

Answer

Spleeter

Answer

Audacity

Answer

GarageBand

Question 3

What is 'spectral editing' in audio production?

Accepted Answer

Editing audio by directly manipulating individual frequencies in a spectrogram view

Answer

Adjusting the tempo of a stem in a DAW

Answer

Applying a spectrum analyzer plugin to a mix bus

Answer

Converting stereo files to mono

Question 4

In stem separation, what does 'bleed' refer to?

Accepted Answer

Unwanted audio from other instruments appearing within a separated stem

Answer

The gradual fade-out at the end of a track

Answer

DC offset in the audio signal

Answer

Clipping caused by excessive gain

Question 5

What does increasing bit depth from 16-bit to 24-bit improve in audio stems?

Accepted Answer

Dynamic range and resolution, reducing quantization noise

Answer

Stereo width

Answer

Maximum frequency response

Answer

Playback speed

Question 6

Which process is used to remove low-frequency rumble or handling noise from an isolated vocal stem?

Accepted Answer

High-pass filtering (HPF)

Answer

Saturation

Answer

Delay

Answer

Bit crushing

Question 7

What is the primary advantage of obtaining official multitracks or stems directly from a label or artist for remixing?

Accepted Answer

They provide clean, artifact-free individual tracks without AI separation noise

Answer

They are always delivered at a higher sample rate than the album

Answer

They contain embedded lyrics for automatic sync

Answer

They automatically sync to any DAW's tempo grid