从WAVE头文件中获取压缩方式

在解析WAV文件时，会从头文件中读取TAG值，表示当前文件的压缩格式，如该值为1，表示没有压缩，其它表示不同的压缩方式。如其中为6时，表示压缩方式是alaw

列表如下：

TAG值

音频描述

0

0x0000

Unknown

1

0x0001

Microsoft PCM

2

0x0002

Microsoft ADPCM

3

0x0003

IEEE Float

4

0x0004

Compaq VSELP

5

0x0005

IBM CVSD

6

0x0006

Microsoft ALAW

7

0x0007

Microsoft MULAW

16

0x0010

OKI ADPCM

17

0x0011

Intel DVI ADPCM

18

0x0012

Videologic MediaSpace ADPCM

19

0x0013

Sierra ADPCM

20

0x0014

Antex Electronics G.723 ADPCM

21

0x0015

DSP Solution DIGISTD

22

0x0016

DSP Solution DIGIFIX

23

0x0017

Dialogic OKI ADPCM

24

0x0018

MediaVision ADPCM

25

0x0019

HP CU

32

0x0020

Yamaha ADPCM

33

0x0021

Speech Compression Sonarc

34

0x0022

DSP Group True Speech

35

0x0023

Echo Speech EchoSC1

36

0x0024

Audiofile AF36

37

0x0025

APTX

38

0x0026

AudioFile AF10

39

0x0027

Prosody 1612

40

0x0028

LRC

48

0x0030

Dolby AC2

49

0x0031

Microsoft GSM610

50

0x0032

Microsoft MSNAudio

51

0x0033

Antex ADPCME

52

0x0034

Control Res VQLPC

53

0x0035

Digireal

54

0x0036

DigiADPCM AC2

55

0x0037

Control Res CR10

56

0x0038

NMS VBXADPCM AC2

57

0x0039

Roland RDAC

58

0x003A

EchoSC3

59

0x003B

Rockwell ADPCM

60

0x003C

Rockwell Digit LK

61

0x003D

Xebec

64

0x0040

Antex Electronics G.721

65

0x0041

Antex Electronics G.728 CELP

66

0x0042

Microsoft MSG723

80

0x0050

MPEG

82

0x0052

Voxware RT24

83

0x0053

InSoft PAC

85

0x0055

MPEG Layer 3

89

0x0059

Lucent G.723

96

0x0060

Cirrus

97

0x0061

ESPCM

98

0x0062

Voxware

99

0x0063

Canopus Atrac

100

0x0064

APICOM G.726 ADPCM

101

0x0065

APICOM G.722 ADPCM

102

0x0066

Microsoft DSAT

103

0x0067

Microsoft DSAT Display

105

0x0069

Voxware Byte Aligned

112

0x0070

Voxware AC8

113

0x0071

Voxware AC10

114

0x0072

Voxware AC16

115

0x0073

Voxware AC20

116

0x0074

Voxware Metavoice

117

0x0075

Voxware Metasound

118

0x0076

Voxware RT29HW

119

0x0077

Voxware VR12

120

0x0078

Voxware VR18

121

0x0079

Voxware TQ40

128

0x0080

Softsound

129

0x0081

Voxware TQ60

130

0x0082

MSRT24

131

0x0083

AT&T G.729A

132

0x0084

Motion Pixels MVI MV12

133

0x0085

DF G.726

134

0x0086

DF GSM610

136

0x0088

ISIAudio

137

0x0089

Onlive

145

0x0091

Siemens SBC24

146

0x0092

Dolby AC3 SPDIF

151

0x0097

ZyXEL ADPCM

152

0x0098

Philips LPCBB

153

0x0099

Packed

256

0x0100

Rhetorex ADPCM

257

0x0101

BeCubed IRAT

273

0x0111

Vivo G.723

274

0x0112

Vivo Siren

291

0x0123

DEC G.723

512

0x0200

Creative ADPCM

514

0x0202

Creative FastSpeech8

515

0x0203

Creative FastSpeech10

544

0x0220

Quarterdeck

768

0x0300

Fujitsu FM Towns Snd

1024

0x0400

BTV Digital

1664

0x0680

AT&T VME VMPCM

4096

0x1000

Olivetti OLIGSM

4097

0x1001

Olivetti OLIADPCM

4098

0x1002

Olivetti OLICELP

4099

0x1003

Olivetti OLISBC

4100

0x1004

Olivetti OLIOPR

4352

0x1100

LH Codec

5120

0x1400

Norris

5121

0x1401

AT&T ISIAudio

5376

0x1500

AT&T Soundspace Music Compression

8192

0x2000

DVM

65534

0xFFFE

WAVE_FORMAT_EXTENSIBLE

65535

0xFFFF

Experimental