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AAC vsAIFF: Key Differences & Best Format for You

Compare the features of AAC and AIFF file formats to choose the best option for your needs.

Basic Information

AACAIFF
CategoryThe general type of file (audio, image, etc.).
audioaudio
CompressionMethod used to reduce file size (Lossy, Lossless, Uncompressed).
LossyUncompressed
Relative SizeTypical file size compared to other formats.
SmallLarge
MIME TypesCommon MIME types associated with the format.
  • audio/aac
  • audio/x-aiff
  • audio/aiff
Open FormatIs the format specification publicly available and free to use?
NoNo

Technical Details

AACAIFF
Bit DepthNumber of bits used to represent color or audio sample amplitude (higher means more detail).
1632
ResolutionImage dimensions (pixels) or audio sample rate/video dimensions.
--
Max QualityHighest achievable quality level or characteristic.
Up to 96 kHz sample rateStudio quality (depends on source)
Encoding MethodSpecific algorithm or standard used for encoding the data.
Advanced Audio Coding (AAC)Pulse-Code Modulation (PCM)
Max File Size LimitAny known maximum file size limitations.
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Features & Usage

AACAIFF
CompatibilitySoftware, devices, or platforms that support the format.
  • Apple devices
  • YouTube
  • iTunes
  • Spotify
  • Android
  • Windows
  • Web Browsers
  • macOS
  • Windows
  • Professional DAWs (Logic Pro, Pro Tools)
Use CasesCommon applications and scenarios where the format is used.
  • Music streaming
  • Podcasts
  • Mobile audio
  • Web audio
  • Professional audio recording
  • Mastering
  • Archiving
Metadata SupportCan the format store additional information (tags, descriptions, etc.)?
YesYes
Transparency SupportDoes the format support transparent backgrounds (for images)?
--
Editing FriendlyIs the format suitable for easy editing without significant quality loss?
NoYes
Encryption SupportDoes the format support password protection or encryption?
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Pros & Cons

AACAIFF
ProsAdvantages and strengths of the format.
  • Efficient compression
  • Good quality at low bitrates
  • Widely supported, especially by Apple
  • Lossless audio quality
  • High fidelity
  • Standard for professional audio recording
ConsDisadvantages and weaknesses of the format.
  • Lossy compression (quality loss)
  • Can be computationally intensive to encode
  • Very large file sizes
  • Not suitable for streaming or web use