public class NSQDelDec
extends java.lang.Object
Constructor and Description |
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NSQDelDec() |
Modifier and Type | Method and Description |
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(package private) static void |
SKP_Silk_copy_del_dec_state(NSQDelDecStruct DD_dst,
NSQDelDecStruct DD_src,
int LPC_state_idx) |
(package private) static void |
SKP_Silk_noise_shape_quantizer_del_dec(SKP_Silk_nsq_state NSQ,
NSQDelDecStruct[] psDelDec,
int sigtype,
int[] x_Q10,
byte[] q,
int q_offset,
short[] xq,
int xq_offset,
int[] sLTP_Q16,
short[] a_Q12,
int a_Q12_offset,
short[] b_Q14,
int b_Q14_offset,
short[] AR_shp_Q13,
int AR_shp_Q13_offset,
int lag,
int HarmShapeFIRPacked_Q14,
int Tilt_Q14,
int LF_shp_Q14,
int Gain_Q16,
int Lambda_Q10,
int offset_Q10,
int length,
int subfr,
int shapingLPCOrder,
int predictLPCOrder,
int nStatesDelayedDecision,
int[] smpl_buf_idx,
int decisionDelay)
Noise shape quantizer for one subframe.
|
(package private) static void |
SKP_Silk_nsq_del_dec_scale_states(SKP_Silk_nsq_state NSQ,
NSQDelDecStruct[] psDelDec,
short[] x,
int x_offset,
int[] x_sc_Q10,
int length,
short[] sLTP,
int[] sLTP_Q16,
int subfr,
int nStatesDelayedDecision,
int smpl_buf_idx,
int LTP_scale_Q14,
int[] Gains_Q16,
int[] pitchL) |
(package private) static void |
SKP_Silk_NSQ_del_dec(SKP_Silk_encoder_state psEncC,
SKP_Silk_encoder_control psEncCtrlC,
SKP_Silk_nsq_state NSQ,
short[] x,
byte[] q,
int LSFInterpFactor_Q2,
short[] PredCoef_Q12,
short[] LTPCoef_Q14,
short[] AR2_Q13,
int[] HarmShapeGain_Q14,
int[] Tilt_Q14,
int[] LF_shp_Q14,
int[] Gains_Q16,
int Lambda_Q10,
int LTP_scale_Q14) |
static void SKP_Silk_NSQ_del_dec(SKP_Silk_encoder_state psEncC, SKP_Silk_encoder_control psEncCtrlC, SKP_Silk_nsq_state NSQ, short[] x, byte[] q, int LSFInterpFactor_Q2, short[] PredCoef_Q12, short[] LTPCoef_Q14, short[] AR2_Q13, int[] HarmShapeGain_Q14, int[] Tilt_Q14, int[] LF_shp_Q14, int[] Gains_Q16, int Lambda_Q10, int LTP_scale_Q14)
static void SKP_Silk_noise_shape_quantizer_del_dec(SKP_Silk_nsq_state NSQ, NSQDelDecStruct[] psDelDec, int sigtype, int[] x_Q10, byte[] q, int q_offset, short[] xq, int xq_offset, int[] sLTP_Q16, short[] a_Q12, int a_Q12_offset, short[] b_Q14, int b_Q14_offset, short[] AR_shp_Q13, int AR_shp_Q13_offset, int lag, int HarmShapeFIRPacked_Q14, int Tilt_Q14, int LF_shp_Q14, int Gain_Q16, int Lambda_Q10, int offset_Q10, int length, int subfr, int shapingLPCOrder, int predictLPCOrder, int nStatesDelayedDecision, int[] smpl_buf_idx, int decisionDelay)
NSQ
- NSQ statepsDelDec
- Delayed decision statessigtype
- Signal typex_Q10
- q
- q_offset
- xq
- xq_offset
- sLTP_Q16
- LTP filter statea_Q12
- Short term prediction coefsa_Q12_offset
- b_Q14
- Long term prediction coefsb_Q14_offset
- AR_shp_Q13
- Noise shaping coefsAR_shp_Q13_offset
- lag
- Pitch lagHarmShapeFIRPacked_Q14
- Tilt_Q14
- Spectral tiltLF_shp_Q14
- Gain_Q16
- Lambda_Q10
- offset_Q10
- length
- Input lengthsubfr
- Subframe numbershapingLPCOrder
- Shaping LPC filter orderpredictLPCOrder
- Prediction LPC filter ordernStatesDelayedDecision
- Number of states in decision treesmpl_buf_idx
- Index to newest samples in buffersdecisionDelay
- static void SKP_Silk_nsq_del_dec_scale_states(SKP_Silk_nsq_state NSQ, NSQDelDecStruct[] psDelDec, short[] x, int x_offset, int[] x_sc_Q10, int length, short[] sLTP, int[] sLTP_Q16, int subfr, int nStatesDelayedDecision, int smpl_buf_idx, int LTP_scale_Q14, int[] Gains_Q16, int[] pitchL)
NSQ
- NSQ statepsDelDec
- Delayed decision statesx
- Input in Q0x_offset
- offset of valid data.x_sc_Q10
- nput scaled with 1/Gain in Q10length
- Length of inputsLTP
- Re-whitened LTP state in Q0sLTP_Q16
- LTP state matching scaled inputsubfr
- Subframe numbernStatesDelayedDecision
- Number of del dec statessmpl_buf_idx
- Index to newest samples in buffersLTP_scale_Q14
- LTP state scalingGains_Q16
- pitchL
- Pitch lagstatic void SKP_Silk_copy_del_dec_state(NSQDelDecStruct DD_dst, NSQDelDecStruct DD_src, int LPC_state_idx)
DD_dst
- Dst del dec stateDD_src
- Src del dec stateLPC_state_idx
- Index to LPC buffer
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