njb_adjust_sound(3)

NAME

NJB_Adjust_Sound - Adjust sound settings on the NJB

LIBRARY

libnjb

SYNOPSIS

#include <libnjb.h>
extern int njb_error
int   NJB_Adjust_Sound(njb_t   *njb,   u_int8_t    effect,
u_int16_t value);

DESCRIPTION

This function modified a sound parameter in the NJB, it is

used for both volume and EAX settings. The previous values can be

accessed using NJB_Get_EAX(). This struct also provide maximum

and minimum values for some of the values, as well as the offset

value for different EAX effects.

The following values are valid effect numbers:

NJB_SOUND_SET_VOLUME

Sets the volume, valid values 1-99.

NJB_SOUND_SET_BASS

Sets the bass value of the equalizer. Valid val

ue range retrieved from the EAX structure.

NJB_SOUND_SET_TREBLE

Sets the treble value of the equalizer. Valid

value range retrieved from the EAX structure.

NJB_SOUND_SET_MUTING

Set the muting status on the Jukebox. 1 = mute

device, 0 = unmute device.

NJB_SOUND_SET_MIDRANGE

Sets the midrange value of the equalizer. Valid

value range retrieved from the EAX structure.

NJB_SOUND_SET_MIDFREQ

Sets the middle frequency for the midrange set

ting of the equalizer. Valid value range retrieved from the EAX

structure.

NJB_SOUND_SET_EAX

Sets the EAX type. Valid value range retrieved

from the EAX structure.

NJB_SOUND_SET_EAXAMT

Sets the EAX value (amount) for currently se

lected EAX type. Valid value range retrieved from the EAX struc

ture.

NJB_SOUND_SET_HEADPHONE

Sets the headphone mode. Valid value range re

trieved from the EAX structure.

NJB_SOUND_SET_REAR

Sets the rear speaker mode. Valid value range

retrieved from the EAX structure.

NJB_SOUND_SET_EQSTATUS

Sets the equalizer status, 1 = equalizer active,

0 = equalizer deactivated.

SEE ALSO

NJB_Get_EAX(3)

January 2003

NJB_Adjust_Sound(3)