Multimedia Feature Matrix

 

1. Audio Codec Spec. 1

2. Speech Codec Spec. 1

 

 

1. Audio Codec Spec

 

 

Codec

Feature/Profile

Channels

Sample rate

(KHz)

Bit rate

(Kbps)

H/W or S/W

Implementation

Comments

Audio Decoder

MP3

MPEG-1 /Layer-1
                /Layer-2
                /Layer-3
MPEG-2 /Layer-1
                /Layer-2
                /Layer-3
MPEG-2.5 /Layer-3

stereo/mono

<= 48

8 ~ 448

S/W

 

AACLC

MPEG-2 AACLC
MPEG-4 AACLC

<=5.1

8 ~ 96

8 ~ 256

S/W

 

WMA10 Std

L1 @ QL1

stereo/mono

44.1

 64 ~ 161

S/W

 

L2 @ QL1

stereo/mono

<= 48

 <= 161

S/W

 

L3 @ QL1

stereo/mono

<= 48

 <=385

S/W

 

Audio Encoder

MP3

MPEG-1 /Layer-3

stereo/mono

32, 44.1, 48

32,48,56,64,80,96,112,128,160,

192,224,256,320

S/W

 

 

2. Speech Codec Spec

 

Feature

Sample Rate
(KHz)

Bit Rate
(Kbps)

H/W or S/W Implementation

Speech Codec

G.711

8

64

S/W

G.723.1

8

5.3, 6.3

S/W

G.726

8

16, 24, 32, 40

S/W

G.729ab

8

8

S/W

AMR_NB

8

12.2, 10.2, 7.9, 7.4, 6.7, 5.9, 5.15, 4.75

S/W

AMR_WB

16

23.85, 23.05, 19.85, 18.25, 15.85, 14.25, 12.65, 8.85, 6.6

S/W

 

 

 

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