Location:
Search - pcm u-law
Search list
Description: 线型PCM与A律和u律对数PCM相互转换的C++代码。-A linear PCM with the law and the law on several u PCM conversion of C code.
Platform: |
Size: 9415 |
Author: 周金喜 |
Hits:
Description: G711 u-law, A-law and linear PCM conversions Programm.
Platform: |
Size: 2869 |
Author: Yuanbs |
Hits:
Description: 线型PCM与A律和u律对数PCM相互转换的C++代码。-A linear PCM with the law and the law on several u PCM conversion of C code.
Platform: |
Size: 9216 |
Author: 周金喜 |
Hits:
Description: G711 u-law, A-law and linear PCM conversions Programm.
Platform: |
Size: 3072 |
Author: Yuanbs |
Hits:
Description: a-law u-law pcm间的转换，提供了快速实现这几种编码的转换方法
-a-law u-law pcm the conversion, the rapid realization of these various ways of coding
Platform: |
Size: 3072 |
Author: yifa |
Hits:
Description: 均匀PCM量化和u律非均匀量化的对比效果分析实验-uniform PCM quantifiable and non-uniform legal u quantitative analysis of the experimental contrast
Platform: |
Size: 3072 |
Author: 陈宇 |
Hits:
Description: 查表法实现a-law算法，使用c语言编写，使用简单，适用于语音传输系统的开发-Look-up table method to achieve a-law algorithm, using the c language, the use of simple, applicable to voice transmission system development
Platform: |
Size: 5120 |
Author: 蒋志颀 |
Hits:
Description: 使用VHDL语言，实现通信脉冲编码调制（PCM）的u律压缩。-Using VHDL language, the realization of communication pulse code modulation (PCM) of u law compression.
Platform: |
Size: 5120 |
Author: wl |
Hits:
Description: 可以用来实现U律的PCM编码，可以用来实现U律的PCM编码。-U can be used to achieve the law PCM encoding, can be used to achieve the U law PCM encoding.
Platform: |
Size: 1024 |
Author: 白敏 |
Hits:
Description: 音频压缩解压缩软件，通过A律U律压缩后，可以转成标准码流64KB/S-Extract audio compression software, the adoption of A Legal U Law compressed, can be transformed to the standard bit-stream 64KB/S
Platform: |
Size: 31744 |
Author: chenxuehua |
Hits:
Description: 全pcm解码器，包括8/16/24/32 liner PCM, u/a law PCM, DVI ADPCM, Micro ADPCM.-all PCM decoder, including 8/16/24/32 liner PCM, u/a law PCM, DVI ADPCM, Micro ADPCM.
Platform: |
Size: 103424 |
Author: 黎水芬 |
Hits:
Description: A/u 律PCM 编码及恢复，分为A 率压缩公式编码、A 率扩张解码、A 率13 折线编码-A/u law PCM coding and restoration, is divided into A formula for the rate of compression coding, A rate of expansion of decoding, A rate of 13 line coding
Platform: |
Size: 1024 |
Author: zhangwei |
Hits:
Description: 均匀PCM量化和u律非均匀量化的对比效果分析实验.-Uniform quantization and u law PCM non-uniform contrast quantitative analysis of experimental results.
Platform: |
Size: 3072 |
Author: tess |
Hits:
Description: 产生长度为1000的标准正太分布的随机信号，画出时域波形及频谱；
采用u=255的非均匀PCM编码，每符号为8bit，画输入-输出关系图；
计算信号量化噪声比（SQNR）；
信道误码率为10-3；
解码，并画出u律反变换后的信号时域波形及频谱。
扩展要求：
采用均匀PCM、量化级数可变、信道误码率可变。
- have a standard length of 1000 is too random signal distribution, draw time-domain waveform and frequency spectrum u = 255 using the non-uniform PCM encoding, each symbol for 8bit, drawing input- output relationship diagram calculated quantization noise signal than (SQNR) channel bit error rate of 10-3 decoder, and law to draw u the signal after the inverse transform time-domain waveform and frequency spectrum. Expansion of the requirements: uniform PCM, quantization level variable, a variable channel bit error rate.
Platform: |
Size: 2048 |
Author: louzhu |
Hits:
Description: 脉冲编码调制pcm的matlab防真 A律 U律-Pulse code modulation pcm true of matlab anti-U Law A Law
Platform: |
Size: 1024 |
Author: 陈志平 |
Hits:
Description: 实现PCM语音数据流压缩，通过该压缩算法可以实现a/u law-PCM voice data stream to achieve compression, the compression algorithm can be achieved by a/u law
Platform: |
Size: 2048 |
Author: 王斌 |
Hits:
Description: 一。产生长度为500的零均值，单位方差的高斯随机变量序列，用均匀pcm的方法用16电平进行量化：1）求所得的SQNR，该序列的前5个值，相应的量化值和相应的码字。2）画出量化误差（定义为输入值和量化值之间的差），同时 画出量化值作为输入值的函数的图。3）用128量化电平数重做2）题， 比较结果。
二。产生一个长度为500，按N(O,1)分布的随机变量序列，分别用16，128量化电平数和u=255的u律非线性进行量化，画出每种情况下量化器的误差和输入-输出关系，并求SQNR.
三。长度为500的非平稳序列a由两部分组成：前20个样本是按照均值为零和方差为400的高斯随机变量产生的，其余480个样本是根据均值和方差为1的高斯随机变量产生的，对这个序列分别用均匀pcm和非均匀pcm方法进行128电平量化，试比较两种情况下所得到的SQNR。
-One. Have a length of 500 zero mean, unit variance Gaussian random variables with uniform pcm way to quantify the level with a 16: 1) Find the income SQNR, the sequence of the first 5 values, the corresponding quantization value and the corresponding codeword. 2) Draw the quantization error (defined as the input value and quantify the difference between the values), and draw quantitative values as a function of input graph. 3) redo 128 the number of quantization level 2) title, compare the results.
II. Produce a length of 500, according to N (O, 1) distributed random variables, respectively 16,128 and the number of quantization level of u u = 255 to quantify non-linear law, draw each case quantizer error and input- output relationships, and seek SQNR.
III. Length of the non-stationary series is a 500 consists of two parts: the first 20 samples in accordance with zero mean and variance of 400 generated Gaussian random variable, and the remaining 480 samples are based o
Platform: |
Size: 4096 |
Author: sun |
Hits:
Description: 将2路PCM编码语音文件(A律或U律)合并成一路PCM编码语音文件的VC6.0工程。-Mixing 2 way PCM format file(a-law or u-law) into one PCM format file.
Platform: |
Size: 15360 |
Author: sunnyriver |
Hits:
Description: pulse code modulation using u-Law
Platform: |
Size: 830464 |
Author: faizan |
Hits:
Description: Implementation and Signal to Quantize noise ratio (SQNR) in Pulse code modulation using Matlab. Also compared A-law, u-law, companding.-Implementation and Signal to Quantize noise ratio (SQNR) in Pulse code modulation using Matlab. Also compared A-law, u-law, companding.
Platform: |
Size: 5120 |
Author: ajay |
Hits: