搜索资源列表
JAVA的声音处理方法 (转自伊氏女人)-----淘特网
- 数字音频格式有很多种,其质量与采样频率和采样精度两个参数有关。频率的表示单位为赫兹〔Hz〕,它表示每秒采样次数。采样频率越高,音质就越好。采样精度为每次采样所存储的数据数量,它决定每个数字信号所能够表示的离散振幅的数量。存储每个样本的数据越多,音质就越好。但是高品质的声音需要占用大量的内存和磁盘空间。考虑到网络带宽,在Internet连接上传输就需要花费很长的时间。对于Applet来说,保证声音文件的最小化是极为重要的。-digital audio format there are many,
FTKernelAPIBT
- FTKernelAPI是一套完全免费(对于非商业性程序而言)的实现了BitTorrent 网络协议的内核库。在兼容官方BitTorrent协议的同时针对国内的网络带宽状况进行了优化,增加了一个侦听端口支持多个任务同时运行, 文件选择下载,断点续传, 自动配置支持UPnP协议的路由器, 对于全局或者单个任务进行速度限制等功能。FTKernelAPI BT协议内核库以及示例码 BitZam 的出现,使BT软件开发不再高深。只要你愿意,不必关心网络编程,BT协议,只需简单的调用FTKernelAPI的
h.264jm
- h.264 视频地带宽高清晰流媒体传输编码-h.264 video to the high-bandwidth streaming media transmission coding
ADAPTC
- 术是继直接频率合成和间接频率合成之后,随着数字集成电路和微电子技术的发展而迅速发展起来的第三代频率合成技术。DDS技术具有相对带宽宽、频-operation is the direct and indirect frequency synthesizer frequency synthesis, With digital integrated circuits and microelectronic technology development and the rapid development
adaptIDFIR
- 术是继直接频率合成和间接频率合成之后,随着数字集成电路和微电子技术的发展而迅速发展起来的第三代频率合成技术。DDS技术具有相对带宽宽、频-operation is the direct and indirect frequency synthesizer frequency synthesis, With digital integrated circuits and microelectronic technology development and the rapid development
bandwidthTest
- 对基于最新一代通用GPU--Geforce8800显存带宽的测试样例,对于通用计算而言,带宽的性能是至关重要的。-based on the latest generation of common GPU -- Geforce8800 memory bandwidth of the test sample. For general calculation, the performance bandwidth is essential.
tcm11111
- 格状编码调制是为解决卫星通信中信道噪声对接收的影响及带宽的限制而产生的,其将信道编码与调制很好的结合起来,并且能发挥各自的优点,这种方法在不增加带宽和相同的信息速率下可获得3~6dB的功率增益。-trellis coded modulation for satellite communications solutions Channel noise on the receiver bandwidth and the impact of the restrictions, it will chan
hw2
- 编程测试并行平台MPI层的带宽和延迟: 单向通信时间简单表示为:t=Latency+Message_Size/Bandwidth 利用该方程得到系统的带宽和延迟
CP0101
- 估算带宽:计算输入信号的单边功率谱密度(ESD);计算相对于特定值的ESD的最高和最低频率。-Estimation of bandwidth: Calculate the input signal
bandwidthTest
- gpu编程,测试gpu的运算带宽,性能分析。-GPU programming, testing GPU computing bandwidth, performance analysis.
ofdmsourceCode_matlab_25kHz_48kbits_two_road_speec
- ofdmsourceCode用matlab仿真实现了25 kHz 带宽内同时传送总共48 kbits 的两路语音-matlab simulation ofdmsourceCode achieved with 25 kHz bandwidth at the same time send a total of 48 kbits of two-way voice
ProgControl
- 程控滤波器,用于自动调节滤波器的带宽和边界频率,增益可控-Program-controlled filter, filter for the automatic adjustment of the bandwidth and the border frequency, gain controllable
pudn2
- 一般来说,瞬时频率和群延迟在时频平面内定义了两条不同的曲线,但是在时宽(T)和频宽(B)的乘积值逐渐变大时,这两条曲线会慢慢逼近。为了说明这一点,下面计算了信号的瞬时频率和群延迟,T*B值大。-Generally speaking, the instantaneous frequency and group delay in the time-frequency plane defines two different curves, but when the width [T] and band
pudn3
- 一般来说,瞬时频率和群延迟在时频平面内定义了两条不同的曲线,但是在时宽(T)和频宽(B)的乘积值逐渐变大时,这两条曲线会慢慢逼近。为了说明这一点,下面计算了信号的瞬时频率和群延迟,T*B值小。- In general, the instantaneous frequency and group delay in the time-frequency plane defines two different curves, but when the width [T] and bandwidth
Mars_v2
- GPU实现的MapReduce framework,对于学习并行编程和cuda平台的编程方面有着极好的参考价值,里面附带论文。用户要求有NViDIA显卡,并且安装cuda编程环境。-We design and implement Mars, a MapReduce framework, on graphics processors (GPUs). MapReduce is a distributed programming framework originally proposed by
chap09
- ex9_1 脉冲信号调制 ex9_2 载波10MHz,带宽2MHz的线性调频信号及其频谱图 ex9_3 产生7位巴克码编码的二相码 ex9_4 产生7位巴克码和线性调频的混合调制信号 ex9_5 瑞利分布实现程序 ex9_6 瑞利分布+杂波 ex9_7 相关对数正态分布杂波 ex9_8 相关weibull分布杂波 ex9_9 相干相关K分布杂波 ex9_10 线性调频信号的数字化正交解调 ex9_11 雷达脉冲压缩处理 ex9_12 二相编码信号的脉压
LinearPrediction
- The MATLAB file implements a Linear Predictive (LP) analysis and synthesis system for speech. There is an additional functionality of (i) Bandwidth Modification (ii) Denoising Filter
voice_processor
- The purpose of this project is to create a different system for processing voice signals and from which we draw useful conclusions about these brands. More specifically, the system will first filter the voice signal with a pass bandwidth (chebyshe
QuadratureAmplitudeModulation
- 基于matlab的QAM调制与解调。正交振幅调制(QAM)是一种幅度和相位联合键控(APK)的调制方式。它可以提高系统可靠性,且能获得较高的信息频带利用率,是目前应用较为广泛的一种数字调制方式。 -Matlab based on the QAM modulation and demodulation. Quadrature amplitude modulation (QAM) is a joint amplitude and phase keying (APK) modulation met
encoding--bandwidth-Calculation
- 这篇文档介绍了语音编码方式及所占用带宽的计算方法-This document describes a speech coding method and the method of calculating bandwidth