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pcmcommunicationg
- matlab pcm 数字电话 通讯仿真 无解压密码,第一次发程序,大家支持-Matlab PCM digital telephone communications simulation without extracting passwords, the first grant procedures, we support
recordid
- 当你的电话语音卡收不到主叫号码的时候,可以用这个程序来测试 步骤 1)选择好通道号 2)选择格式 3)选择开始 4)拨打电话 当程序接收不到主叫的时候,你可以把现场的主叫声音录下来进行分析 步骤 1)选好通道 2)选择录音 3)拨打电话 4)三声回铃声以后,选择停止录音,生成record.pcm主叫声音文件 5)用语音编辑工具打开record.pcm 6)对照网页http://www.dj.com.cn/support/cid/techi
PcmQRSXJS
- 通讯中使用PCM编码应用,异步PCM数据流插入技术实现-communications using PCM coding, asynchronous data stream into PCM technology
MYpcm
- 本文件是我做的关于PCM的编程实现方案,希望能对大家的通信仿真有所帮助-this document is what I am doing on the PCM programming proposal in the hope that we can help Communication Simulation
SNR_vs
- 实现对数压缩PCM和线性PCM的信噪比特性曲线的仿真,非均匀量化级数为n=8和n=6。-realization of a number of PCM compressed and linear PCM signal-to-noise ratio of the characteristic curve simulation, non-uniform quantization Series n = 8 and n = 6.
ADPCM
- PCM的好文档 PCM的好文档
CID
- 给出了电话主叫CID的源程序,在VC平台上调试通过,可以对给定PCM文件进行解调
QAMTransmissionThroughaCompanding
- Abstract-The effect of the companding process on QAM signals has been under investigation for the past several years. The compander, included in the PCM telephone network to improve voice performance, has an unusual affect on digital QAM data
GetPCM
- PCM通道数据采集,可以把Codec与DSP间的PCM数据流保存成一个文件,再用CoolEdit分析,从而得到Codec和DSP的增益信息和频率信息。
PCM编码和PSK调制
- PCM编码和PSK调制MATLAB源码
基于最新版WebRTC编译的GIPS VoiceEngine引擎库
- 基于最新版WebRTC编译的GIPS VoiceEngine引擎库,支持ISAC,PCM,722,iLBC多种codecs,支持多路音频,支持Echo Control, VAD,Noise Suppress, AGC,支持RTP/SRTP.(如需定制,可联系dotphoenix@qq.com)-GIPS VoiceEngine based on the latest version of WebRTC library, support ISAC, PCM, 722, iLBC codecs,
IPphone2.0
- 使用PCM采集数据G711A压缩格式 (8000HZ单声道16位格式录音每秒以8K完成数据,16000HZ单声道 16位格式录音每秒以11K完成数据,音质相当好),延时降低到最小 100-500MS以内,不会随时间增加而增加延时(如果是说话测试一直保持 200MS的延时,如果是用播放歌曲来测试,有自动校正延时功能,恢 复成200MS的延时,恢复过程中不会中断歌曲的播放,只是小小加快唱 歌的速度,听觉不会觉察出来),加入了过滤杂音功能.-ip phone rec
Shannon-TheoryComm
- THE recent development of various methods of modulation such as PCM and PPM which exchange bandwidth for signal-to-noise ratio has intensified the interest in a general theory of communication. A basis for such a theory is contained in the import
pcm
- 语音编码中A律pcm编码、译码的matlab仿真-Speech Coding A law pcm encoding, decoding matlab simulation
MATLAB
- 语音编码中A律pcm编码、译码的matlab仿真-Speech Coding A law pcm encoding, decoding matlab simulation
changesampleofpcmfile
- PCM文件采样率转换,其中可以自己定义采样率。作为WAV文件进行存储。效果较好。注意使用时确定源文件采样率。-PCM file sample rate conversion, which could define their own sampling rate. As a WAV file is stored. Effective. Note that when used to determine the source file sample rate.
wave_mod
- 将PCM文件加WAV头,转化为WAV文件,注释详细-PCM turns into WAV file by adding head.
tongxinfangzhen2
- 对给定语音信号进行抽样、量化和13折线PCM编码,经过传输后,接收端进行PCM译码,对此过程进行matlab仿真分析。-Given speech signal sampling, quantization and PCM 13 line coding, after transmission, the receiver for PCM decoding, matlab simulation of this process
pcm
- PCM编码,7-4 crc校验,曼彻斯特编码
U_PCM_matlab
- 产生一个正弦信号,用均匀PCM方法分别用8电平和16电平做量化,在同一坐标轴画出原信号和已量化信号,比较两种情况下的SQNR-the matlab source code of U_pcm