代码搜索：ADPCM
找到约 771 项符合「ADPCM」的源代码
代码结果 771
www.eeworm.com/read/450639/7479427
h adpcm.h
/*
** adpcm.h - include file for adpcm coder.
**
** Version 1.0, 7-Jul-92.
*/
struct adpcm_state {
short valprev; /* Previous output value */
char index; /* Index into stepsize table
www.eeworm.com/read/450639/7479431
c adpcm.c
/***********************************************************
Copyright 1992 by Stichting Mathematisch Centrum, Amsterdam, The
Netherlands.
All Rights Reserved
Permissio
www.eeworm.com/read/450639/7479434
2 adpcm.2
.TH ADPCM 2 "7 June 1992"
.SH NAME
adpcm - Adaptive delta compression for audio samples
.B
#include "adpcm.h"
.br
adpcm_coder(short inbuf[], char outbuf[], int nsample,
.br
struct adpcm_state
www.eeworm.com/read/299895/7826190
txt adpcm.txt
<mark>ADPCM</mark>压缩算法
<mark>ADPCM</mark>(Adaptive Differential Pulse Code Modulation)，是一种针对 16bits( 或8bits或者更高) 声音波形数据的一种有损压缩算法,它将声音流中每次采样的 16bit 数据以 4bit 存储,所以压缩比 1:4. 而且压缩/解压缩算法非常简单,所以是一种低空间消耗，高质量高效率声音获得的好途径。保存声音的数据 ...
www.eeworm.com/read/198358/7938977
c adpcm.c
/***********************************************************
Copyright 1992 by Stichting Mathematisch Centrum, Amsterdam, The
Netherlands.
All Rights Reserved
Permissio
www.eeworm.com/read/396280/8117377
c adpcm.c
/***********************************************************
Copyright 1992 by Stichting Mathematisch Centrum, Amsterdam, The
Netherlands.
All Rights Reserved
Permissio
www.eeworm.com/read/245976/12765962
h adpcm.h
/*****************************************************************************
* Filename: PCADPCM.H *
****************************************
www.eeworm.com/read/245976/12765971
c adpcm.c
/*****************************************************************************
* Filename: ADPCM.C *
****************************************
www.eeworm.com/read/245153/12814082
dsw adpcm.dsw
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