SNDEXIirFilterTarget

Definition

#include <twl/snd.h>
typedef enum _SNDEXIirFilterTarget
{
    SNDEX_IIR_FILTER_ADC_1 = 0,
    SNDEX_IIR_FILTER_ADC_2,
    SNDEX_IIR_FILTER_ADC_3,
    SNDEX_IIR_FILTER_ADC_4,
    SNDEX_IIR_FILTER_ADC_5,
    SNDEX_IIR_FILTER_DAC_LEFT_1,
    SNDEX_IIR_FILTER_DAC_LEFT_2,
    SNDEX_IIR_FILTER_DAC_LEFT_3,
    SNDEX_IIR_FILTER_DAC_LEFT_4,
    SNDEX_IIR_FILTER_DAC_LEFT_5,
    SNDEX_IIR_FILTER_DAC_RIGHT_1,
    SNDEX_IIR_FILTER_DAC_RIGHT_2,
    SNDEX_IIR_FILTER_DAC_RIGHT_3,
    SNDEX_IIR_FILTER_DAC_RIGHT_4,
    SNDEX_IIR_FILTER_DAC_RIGHT_5,
    SNDEX_IIR_FILTER_DAC_BOTH_1,
    SNDEX_IIR_FILTER_DAC_BOTH_2,
    SNDEX_IIR_FILTER_DAC_BOTH_3,
    SNDEX_IIR_FILTER_DAC_BOTH_4,
    SNDEX_IIR_FILTER_DAC_BOTH_5,
    SNDEX_IIR_FILTER_TARGET_MAX
} SNDEXIirFilterTarget;

Elements

SNDEX_IIR_FILTER_ADC_1 ... 5 IIR filter for microphone input data (stage 1 - stage 5).
SNDEX_IIR_FILTER_DAC_LEFT_1 ... 5 IIR filter for left speaker output data (stage 1 – stage 5).
SNDEX_IIR_FILTER_DAC_RIGHT_1 ... 5 IIR filter for right speaker output data (stage 1 – stage 5).
SNDEX_IIR_FILTER_DAC_BOTH_1 ... 5 IIR filter for both left and right speaker output data (stage 1 – stage 5).

Description

This is an enumerated type that indicates the target to which IIR filters will be applied.

Filters are applied in ascending numerical order, as follows.

See Also

SNDEX_SetIirFilter, SNDEX_SetIirFilterAsync, SNDEXIirFilterParam

Revision History

2008/07/08 Initial version.

CONFIDENTIAL