net.java.sip.communicator.impl.neomedia.codec.audio.silk
Class Silk_resampler_private_up2_HQ

java.lang.Object
  net.java.sip.communicator.impl.neomedia.codec.audio.silk.Silk_resampler_private_up2_HQ

public class Silk_resampler_private_up2_HQ
extends Object

Upsample by a factor 2, high quality.

Author:

Jing Dai, Dingxin Xu

Constructor Summary

Silk_resampler_private_up2_HQ()

Method Summary

(package private) static void	SKP_Silk_resampler_private_up2_HQ_wrapper(Object SS, short[] out, int out_offset, short[] in, int in_offset, int len) the wrapper method.
(package private) static void	SKP_Silk_resampler_private_up2_HQ(int[] S, int S_offset, short[] out, int out_offset, short[] in, int in_offset, int len) Upsample by a factor 2, high quality.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Silk_resampler_private_up2_HQ

public Silk_resampler_private_up2_HQ()

Method Detail

SKP_Silk_resampler_private_up2_HQ

static void SKP_Silk_resampler_private_up2_HQ(int[] S,
                                              int S_offset,
                                              short[] out,
                                              int out_offset,
                                              short[] in,
                                              int in_offset,
                                              int len)

Upsample by a factor 2, high quality. Uses 2nd order allpass filters for the 2x upsampling, followed by a notch filter just above Nyquist.

Parameters:

S - Resampler state [ 6 ].

S_offset - offset of valid data.

out - Output signal [ 2 * len ].

out_offset - offset of valid data.

in - Input signal [ len ].

in_offset - offset of valid data.

len - Number of INPUT samples.

SKP_Silk_resampler_private_up2_HQ_wrapper

static void SKP_Silk_resampler_private_up2_HQ_wrapper(Object SS,
                                                      short[] out,
                                                      int out_offset,
                                                      short[] in,
                                                      int in_offset,
                                                      int len)

the wrapper method.

Parameters:

SS - Resampler state (unused).

out - Output signal [ 2 * len ].

out_offset - offset of valid data.

in - Input signal [ len ].

in_offset - offset of valid data.

len - Number of input samples.