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Description: 如何成功的运用OPENH323 来开发商业的H.323 协议栈
Openh323 有以下的特征:
1>动态的静音检测算法, 以减小语音包的传输量。
2>支持Windows,Linux 和FreeBSD 的多种客户端命令。
3>包含有MCU,PSTN 网关,和自动语音应答机等多种应用平台。
4>软件支持GSM,LPC-10,G.711 uLaw/Alaw 软件编解码方式。
5>特定硬件(Quicknet/LineXJ)支持G.723.1, G.728 和 G.729 。
6>采用Jitter Buffer 技术对语音信号做接受的缓冲处理。
7>软件产生舒适噪音。
8>采用H.261 视频压缩协议。
9>支持广播的方式查找网守(GateKeeper)。
10>支持H.235 附件D 中和网守的身份认证。(部分地支持H.235)
11>支持部分H.450 补充协议。
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Description: ITU-T H.323 V3
音频codec(支持静音检测)
g.723.1 6.4kbps发送,6.4/5.3kbps接收
g.729a 8kbps发送,8kbps接收(仅在单一模式下可用)
gsm 6.10 10kbps
lpc 10 3kbps
g.711 uLaw/aLaw 64kbps
视频codec(动态流量控制)
h.261 支持QCIF(176*144)/CIF(352*288)
h.263 支持QCIF(176*144)/CIF(352*288) -- 需要VISh263m.dll的支持,该动态连接库随VIS H.323 DLL Library一同发布
标准H.323网守(Gatekeeper)支持
ILS(Internet Locator Service)支持
-ITU-T H.323 V3 Audio codec (Support quiet detection) g.723.1 6. 4kbps sending, receiving g.729a 6.4/5.3kbps bps sent, k receiver (only in a single mode available) gsm 6.10 10kbps lpc 10 3kbp 's g.711 uLaw / aLaw 47,060 video codec (dynamic flow control) h.26 a support QCIF (176 * 144) / CIF (352 * 288) h.263 support QCIF (176 * 144) / CIF (352 * 288) -- needs the support VISh263m.dll holders. The dynamic link library DLL with the VIS Library H.323 standard with the release of H.323 Gatekeeper (G atekeeper) support ILS (Internet Locator Service) support holders
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Size: 827268 |
Author: wushuang |
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Description: tms320c6的程序,直接下载在可用-tms320c6 procedures, direct download available
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Size: 3232 |
Author: 左右 |
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Description: 6711开发程序例子-6711 to develop procedures example
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Size: 3165 |
Author: 赵占锋 |
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Description: 由HawK提供的语音压缩软件,压缩方式有:OpenlPC,LPC10,LPC,GSM,CeLP-HawK provided by the speech compression software, compression methods : OpenlPC, Alaw. LPC, GSM, CeLP
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Size: 433335 |
Author: lst |
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Description: G.711 alaw和ulaw编码、解码算法源码,在嵌入式平台上验证通过。
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Size: 3751 |
Author: sean |
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Description: 使用VC++自带的ACM库把pcm压缩成alaw
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Size: 1769 |
Author: 庄瑞 |
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Description: 6711开发程序例子-6711 to develop procedures example
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Size: 15360 |
Author: 赵占锋 |
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Description: tms320c6的程序,直接下载在可用-tms320c6 procedures, direct download available
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Size: 15360 |
Author: 左右 |
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Description: G.711 alaw和ulaw编码、解码算法源码,在嵌入式平台上验证通过。-G.711 alaw and ulaw encoding, decoding algorithm source code, in the embedded platform authentication through.
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Size: 3072 |
Author: sean |
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Description: 使用VC++自带的ACM库把pcm压缩成alaw-Use VC++ The ACM library to bring their own compressed into ALaw pcm
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Size: 1024 |
Author: 庄瑞 |
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Description: 使用VHDL实现通信脉冲编码调制(PCM)中的a律转换,并实现串并、并串转换。-Use VHDL to achieve communication pulse code modulation (PCM) of a law conversion, and to achieve and string, and string conversion.
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Size: 5120 |
Author: wl |
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Description: 基于Tms320C5402的A-law 算法的源代码,该代码已经调试通过,运行结果良好-Based on the TMS320C5402 the A-law algorithm' s source code, the debugging code has been adopted, good results
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Size: 53248 |
Author: zhangjunxing |
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Description: This file is for alaw audio encoding
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Size: 9216 |
Author: bruce |
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Description: This code contains alaw codec s encoding and decoding functions
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Size: 2048 |
Author: mytest |
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Description: G711 Alaw,Ulaw, G721, G723编解码的典型源码,很有参考价值 -G711 Alaw, Ulaw, G721, G723 codec with a typical source code, of great reference value
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Size: 13312 |
Author: genggeng |
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Description: 对语音信号利用a律算法进行压缩和解压,整个工程文件都在压缩包中-The use of a law on the voice signal compression and decompression algorithm, the entire project documents are in the compressed package
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Size: 31744 |
Author: 刘轶伟 |
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Description: 查表法实现PCM与Alaw, mulaw
pcm <---> alaw
pcm <---> mulaw-Look-up table method to achieve PCM with Alaw, mulaw pcm < ---> alaw pcm < ---> mulaw
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Size: 12288 |
Author: drewolf |
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Description: This a HDL implementation of G711 A-LAW codec. It converts LINEAR to ALAW and vice versa. -This is a HDL implementation of G711 A-LAW codec. It converts LINEAR to ALAW and vice versa.
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Size: 3072 |
Author: Christian |
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Description: alaw\ulaw文件转为PCM格式,程序简洁明了,已编译通过-alaw \ ulaw file to PCM format, procedures, concise, compiled by
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Size: 243712 |
Author: 刘琳 |
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