An audio codec is a computer tool programmed to compresses or decompresses audio data. There are two families of audio formats according to the sound quality, namely, Non-compressed formats, lossless data compression and lossy data compression.
Non-compression formats audio codec
- Audio Interchange File Format (AIFF) code
- Resource Interchange File Format (RIFF) audio codec
- WAV – Microsoft WAVE format audio codec
- Linear Pulse Code Modulation (LPCM) audio codec
- Pulse-amplitude modulation (PAM) audio code
Lossless data compression
- Apple Lossless Audio Codec (ALAC)
- Direct Stream Transfer (DST) audio codec
- Dolby TrueHD codec
- DTS-HD Master Audio codec
- Free Lossless Audio Codec (FLAC)
- Lossless Audio (LA) codec
- Lossless Predictive Audio Compression (LPAC)
- Lossless Transform Audio Compression (LTAC)
- MPEG-4 Audio Lossless Coding (MPEG-4 ALS)
- Meridian Lossless Packing (MLP), also known as Packed PCM (PPCM)
- Monkey's Audio (APE) codec
- RealAudio Lossless codec
- RK Audio (RKAU) codec
- Shorten (SHN) audio codec
- True Audio (TTA) audio codec
- WavPack (WV) audio codec
- Windows Media Audio 9 Lossless code
Lossy data compression
- Adaptive Differential (or Delta) pulse-code modulation (ADPCM)
- ADX audio codec
- Adaptive Rate-Distortion Optimised sound codeR (ARDOR)
- Adaptive Transform Acoustic Coding (ATRAC, used in MiniDisc devices)
- Dolby Digital (A/52, AC3)
- DTS (Digital Theatre System Coherent Acoustics)
- Impala FORscene audio codec
- MPEG audio codec
- 1 layer-1 (MP1)
- 2 layer-2 (MP2) (MPEG-1, MPEG-2 and non-ISO MPEG-2.5)
- 3 layer-3 (MP3) (MPEG-1, MPEG-2 and non-ISO MPEG-2.5)
- 4 Advanced Audio Coding (AAC, MPEG-2 and MPEG-4) + HE-AAC
- 5 Harmonic and Individual Lines and Noise (HILN
- Musepack audio codec
- Perceptual Audio Coding
- QDesign audio codec
- TwinVQ audio codec
- Vorbis audio codec
- Windows Media Audio (WMA) codec
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