Compare formats and codecs
Side-by-side pages that explain the practical difference between codecs, containers, audio formats, and surround sound technologies.
24-bit PCM vs 1-bit DSD
24-bit vs 1-bit DSD
24-bit vs 16-bit
24-bit vs 16-bit Audio
AAC vs Opus
AAC vs Opus
AV1 vs H.265
AV1 vs H.265
Codec vs Format vs Standard
Codec vs Format vs Standard
Dolby Atmos vs DTS:X
Dolby Atmos vs DTS:X
Dolby Digital vs DTS
Dolby Digital vs DTS
Dolby Headphone vs Atmos for Headphones vs DTS Headphone:X
Dolby Headphone vs Atmos for Headphones vs DTS Headphone:X
DSD vs DXD
DSD vs DXD
FLAC vs ALAC
FLAC vs ALAC
FLAC vs WAV
FLAC vs WAV
H.264 vs AV1
H.264 vs AV1
H.264 vs H.265
H.264 vs H.265
Lossy vs Lossless Audio
Lossy vs Lossless Audio
MP3 vs AAC
MP3 vs AAC
MP3 vs FLAC
MP3 vs FLAC
MP3 vs MP4
MP3 audio compared with the MP4 container format.
Opus vs AAC
Opus vs AAC
PCM vs DSD
PCM vs DSD
CBR vs VBR vs ABR
Fixed bitrate, quality-based variable bitrate, and target-average encoding compared.
VBR vs cVBR vs cVBRb
Ordinary LAME VBR compared with strict minimum VBR and bitrate boost behaviour.
Codec vs file extension
Why .mp4, .mkv and .m4a do not necessarily identify the codec inside.
M4A vs MP3
Why M4A is usually a container/file type while MP3 is an audio codec and format.
DTS vs Dolby Digital vs Dolby Surround on DVD
Practical playback guidance and format choices.