Transform vectors of temporal and spatial domain real values to the frequency domain and vice versa.
Framework
- Accelerate
Discrete Cosine Transforms
Topics
First Steps
Signal Extraction from Noise
Use Accelerate’s discrete cosine transform to remove noise from a signal.
Equalizing Audio with v
Shape audio output using discrete cosine transforms and biquadratic filters.
Objects that Simplify Discrete Cosine Transforms
class vA single-precision discrete cosine transform.
enum vDiscrete cosine transform types.
Discrete Cosine Transforms
The functions in the Discrete Cosine Transforms (DCT) family calculate a discrete cosine transform of a specified length on a vector.
func vCreates a data structure for use with v to perform a single-precision, discrete cosine transform.
func vCalculates the discrete single-precision cosine transform for a vector.
See Also
Audio Processing
Equalizing Audio with v
Shape audio output using discrete cosine transforms and biquadratic filters.
Biquadratic IIR Filters
Apply biquadratic filters to single- and multi-channel data.