MDCT (Modified Discrete Cosine Transform)
GPTKB entity
Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:transformation
audio compression algorithm |
| gptkbp:application |
psychoacoustic modeling
lossy audio compression |
| gptkbp:basedOn |
gptkb:DCT-IV
|
| gptkbp:block |
N samples
|
| gptkbp:category |
linear transform
Fourier-related transform |
| https://www.w3.org/2000/01/rdf-schema#label |
MDCT (Modified Discrete Cosine Transform)
|
| gptkbp:input |
real-valued signal
|
| gptkbp:introduced |
gptkb:Alan_B._Bradley
gptkb:John_P._Princen gptkb:A._W._Johnson |
| gptkbp:introducedIn |
1987
|
| gptkbp:inverseTransform |
gptkb:IMDCT
|
| gptkbp:output |
real-valued coefficients
|
| gptkbp:overlap |
50% overlap
|
| gptkbp:purpose |
overlap transform
reducing blocking artifacts |
| gptkbp:relatedTo |
gptkb:Discrete_Fourier_Transform
gptkb:Discrete_Cosine_Transform Lapped transform |
| gptkbp:usedIn |
gptkb:ATRAC
gptkb:Dolby_Digital gptkb:AAC gptkb:MP3 gptkb:Opus gptkb:Vorbis video coding audio coding |
| gptkbp:bfsParent |
gptkb:MP3_audio_coding
|
| gptkbp:bfsLayer |
5
|