안녕하세요.

안드로이드 및 기타 스마트폰상에서 VoIP의 기능을 구현하기 위하여 필요한 음성 엔진을 설명 드리고자 합니다.

기본적인 G711,723,729 및 AMR,AAC, G711-wide 등의 음성 코덱을 제공하며 AEC,Noise 제거, AGC(Auto gain control), VDA(Voice Detection )등의 알고리즘이포함되어 있으며 필요시 evaluation software를 제공하고 있습니다.

아래는 상세 스펙 자료이며 추가적으로 자료나 데모가 있으시면 sjlee@bnpinnovation.com으로 연락 주시기 바랍니다.


The I-MOBILEX AudioEngine(AE) is a powerful packaged solution for VoIP development of mobile( Android, IPhone, Window7) and , it is released as C++ static or dynamic library.

The Engine includes the following main functionalities:

1.      Audio Codec Process

2.      Audio Algorithm Process

3.      Sound Device Handling

4.      RTP Communication

5.      Software plugin and high level API

Support Platform:

1.    Android 2.1/2.2

2.    iPhone SDK 3.x/4.0

3.    Window Mobile 6.0/6.5, Windows CE 6.0, Windows Mobile 7.

Audio Codec Capabilities

Item

Codec Name

Description

1

G.711 u

G.711 u-law: 64kbps

2

G.711 a

G.711 A-law: 64kbps

3

G.723.1

G.723.1; 6.3kbps stream default, 5.3kbps

4

G.729

G.729, 8kbps

5

AMR-NB

AMR Narrow Band: bit rate range: 4.75 – 12.2 kbps, includes: SID, 4.75, 5.15, 5.90, 6.70,7.40, 7.95,10.20,12.20kbps

6

AMR-WB

AMR Wide Band: bit rate range: 14.25, 15.85, 18.25, 19.85, 23.05, 23.85 kbps

7

AAC

AAC

 

Audio Algorithm Capabilities

Item

Algorithm Name

Description

1

disable

No effect

 

AEC

Normal AEC Mode and Good AEC

2

AES

Normal AES and Good AES

3

Noise Reduction

0 ~ 4 value

4

VAD

Default

5

AGC

0 ~ 6 Value

6

Mic Gain

0 ~ 8 Value

 

Communication Handling

Item

Module Name

Description

Platform

1

RTP/RTCP

Mandatory

 

2

SRTP

Optional

 

3

NAT/Firewall Support

(Stun/Turn:ICE)

Optional

 

 

Test Application

We provide the test application that help customer to learn API functionalities and Testing.  The Test Application version includes: Android 2.1/2.2, iPhone3.x/4.0 and Windows Mobile/WinCE/Windows 7



            



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