spreader_internal.h File Reference

An arbitrary array panner (HRIRs, microphone array IRs, etc.) with coherent and incoherent spreading modes, as described in [1]. More...

#include "spreader.h"
#include "saf.h"
#include "saf_externals.h"

Go to the source code of this file.

Data Structures
struct	spreader_data
	Main structure for spreader. More...

Macros
#define	SPREADER_FRAME_SIZE   ( 512 )
	Framesize, in time-domain samples.
#define	MAX_SPREAD_FREQ   ( 16e3f )
	Maximum spread frequency, above which no spreading occurs.
#define	HOP_SIZE   ( 128 )
	STFT hop size.
#define	HYBRID_BANDS   ( HOP_SIZE + 5 )
	Number of frequency bands.
#define	TIME_SLOTS   ( SPREADER_FRAME_SIZE / HOP_SIZE )
	Number of STFT timeslots.

Functions
void	spreader_setCodecStatus (void *const hSpr, CODEC_STATUS newStatus)
	Sets codec status (see CODEC_STATUS enum)

Detailed Description

An arbitrary array panner (HRIRs, microphone array IRs, etc.) with coherent and incoherent spreading modes, as described in [1].

See also

[1] McCormack, L. Politis, A., and Pulkki, V., 2021, October. Rendering of source spread for arbitrary playback setups based on spatial covariance matching. In 2021 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA). IEEE

Author

Leo McCormack

Date

07.04.2021

License

ISC

Definition in file spreader_internal.h.

Macro Definition Documentation

HOP_SIZE

#define HOP_SIZE   ( 128 )

STFT hop size.

Definition at line 55 of file spreader_internal.h.

HYBRID_BANDS

#define HYBRID_BANDS   ( HOP_SIZE + 5 )

Number of frequency bands.

Definition at line 56 of file spreader_internal.h.

MAX_SPREAD_FREQ

#define MAX_SPREAD_FREQ   ( 16e3f )

Maximum spread frequency, above which no spreading occurs.

Definition at line 54 of file spreader_internal.h.

SPREADER_FRAME_SIZE

#define SPREADER_FRAME_SIZE   ( 512 )

Framesize, in time-domain samples.

Definition at line 51 of file spreader_internal.h.

TIME_SLOTS

#define TIME_SLOTS   ( SPREADER_FRAME_SIZE / HOP_SIZE )

Number of STFT timeslots.

Definition at line 57 of file spreader_internal.h.

Function Documentation

spreader_setCodecStatus()

void spreader_setCodecStatus	(	void *const	hSpr,
		CODEC_STATUS	newStatus )

Sets codec status (see CODEC_STATUS enum)

Definition at line 34 of file spreader_internal.c.