Game Dev Cheat Sheet

Unity Audio Import Settings Reference

Recommended import settings for every type of audio in your Unity project.

Unity audio import settings have a huge impact on memory, load times, and sound quality. The defaults are rarely optimal. This reference gives you the exact Load Type, Compression Format, Sample Rate, and other settings for each category of audio, with explanations of why each choice matters.

Select audio asset
Inspector
Audio Import Settings

File Format Comparison

Which format to use as your source file before Unity re-encodes it.

FormatCompressionLossyLoop SafeLicence Free
.wavWaveform Audio (WAV)None (PCM)NoYesYes
.oggOgg VorbisLossy (Vorbis)YesYesYes
.mp3MPEG Layer 3Lossy (MP3)YesNoNo
.aiffAudio Interchange (AIFF)None (PCM)NoYesYes
.flacFree Lossless Audio CodecLosslessNoYesYes

Quick Decision Guide

What kind of audio is it?

Short and frequent (under 2s)?

Decompress On Load + ADPCM + Mono. Covers SFX, footsteps, UI.

Medium length (2 to 15s)?

Compressed In Memory + Vorbis. Covers dialogue, one-shots, looping SFX.

Long and continuous (over 15s)?

Streaming + Vorbis. Covers music and ambient loops.

Needs absolute zero latency?

Decompress On Load + PCM. Only for critical UI sounds.