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General Audio Protocol Introduction && knowledge and technical parameters of audio coding

kbit/s, at a frequency of up to a rate of up to three Hz. It uses the MS-frame to provide 40ms algorithm latency.The G722.1 achieves lower bit rates and greater compression than the g.722 codec. The goal is to achieve roughly the same quality as the g.722 at approximately half the bit rate. This license to use the code requires the authorization of Polycom Corporation.5, G722.1 Annex CThe G722.1 Annex C is based on Polycom's siren 14 compression tech

Internet tools in Linux (1)

Article Title: Internet access tools in Linux (1 ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. At present, Linux is very popular among the media, but its applications are still in the initial stage. The reason for this situation is that most of the application tools in Linux are not simple enough. This article will introduce a series of Linux-based onlin

Knowledge and technical parameters of audio coding

to three Hz. It uses the MS-frame to provide 40ms algorithm latency.The G722.1 achieves lower bit rates and greater compression than the g.722 codec. The goal is to achieve roughly the same quality as the g.722 at approximately half the bit rate. This license to use the code requires the authorization of Polycom Corporation.5, G722.1 Annex CThe G722.1 Annex C is based on Polycom's siren 14 compression technology, which uses 32kHz sampling frequency t

Solution for deploying icepatch2 + icegrid

\ clientutil. cpp. I modified the red part and forgot the initial code. After the modification, icepatch2. on the client, you can set only locator, instead of endpoints. Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Icepatch2: Patcher ( Const Communicatorptr Communicator, Const Patcherfeedbackptr Feedback ):_ Feedback (feedback ),_ Datadir (

Netscape fixes Java security vulnerabilities

Security | security Vulnerabilities Involving procedures:Netscape 4.0-4.74 Describe:Netscape Fixes JAVA security vulnerabilities With:Netscape JAVA Security Vulnerability patch-------------------------------------------------------------------------------- Netscape version 4.0 to 4.74 has a security vulnerability that allows attackers to remotely access local files by using JAVA virtual machines. More information about this vulnerability can be accessed by the Brown orifice,the new multi-pla

The common interface of MPI programming

Get current timeAfter inserting the header file provided by MPI, you can get a function to get the time.Double Mpi_wtime (void) Obtains the current time, and the precision of the timing is obtained by double mpi_wtick (void)As a comparison, in C + +, the time.h is inserted, the current time is obtained by clock_t clock (void), and the precision of the timing is defined by the constant clocks_per_sec.Dot to point communication functionsInter-process communication needs to be done through a

Learn more about how to deploy ice services (i)

This series of articles will teach you how to deploy an ice service, and if you are reading this blog, I think you already know what ice (Internet Communications Engine) is and how to implement the ice service, and understand what an ice object is, Ice object identifiers, ice object adapters, ice service implementations servant, Ice communicator, and so on, of course, if you don't even know what ice is, I don't recommend that you read on. Let's talk a

Six elements of successful communication

intensity and intensity of these words are also telling people a story. The transfer of such information may be unconsciously sent or accepted, but in any case they are still sent and accepted. Three aspects of communication: Visual: our body language and symbols in communication have a 55% impact. Voice: the tone, frequency, and volume of our voice have an effect of 38%. Words: the words we actually use have only 7% influence. Bad communication people focus on their own ideas, feel

Microsoft Office Communications Server 2007 R2 Deployment One hardware and software environment preparation

Microsoft issued the OCS2007R2 in June this year, full name Microsoft Office Communications Server 2007 R2 as one of Microsoft's many R2 products, I believe it is not a simple upgrade, R2 add many features Communicator 2007 R2 offers several new features, some of which require the deployment of additional Office Communications Server 2007 server roles. New Call feature. No additional server roles are required. Invite participants by using an alterna

IIS modifies queue Length (IIS6+IIS7)

Internet Information Services (IIS) limits the maximum number of application pool requests that can wait in a queue at any given time. If this limit is reached, all new requests will be rejected, and the user will receive the error message "503– Service Unavailable". By default, IIS sets the queue length to 1,000 requests. The default value may be too low because if the queue length is 1,000,communicator Web Access (R2 release), only about 650 concurr

Step 2 of ice learning ----- learn about ice (helloworld) from the first program)

complete code is provided below: 1 using system; 2 using system. collections. generic; 3 using system. LINQ; 4 using system. text; 5 6 namespace Server 7 {8 class program 9 {10 static void main (string [] ARGs) 11 {12 INT status = 0; 13 14 // create a communicator 15 ice. communicator Ic = NULL; 16 try17 {18 // 19 Ic = ice during initialization. util. initialize (ref ARGs); 20 21 // create an adapter objec

Ice topic: implementing simple chat rooms (1)

on the server side is very simple server. CS: using System;using System.Collections.Generic;using System.Text;namespace ChatSpace{ public class Server : Ice.Application { public override int run(string[] args) { Ice.ObjectAdapter adapter = communicator().createObjectAdapter("Callback.Server"); adapter.add(new ChatSpaceI(), communicator().stringToIdentity

Lync Local Chat record How to modify the directory save

Lync Chat Default Save in C disk, does not support the modification, the following method to modify the directory: The default chat record is guaranteed to exist: C:\Users\ User name \appdata\local\microsoft\communicator So use the soft connection method to change it to other directory, below take the administrator account under Windows7 for example. 1, close Lync, move directory to other disk Move "C:\Users\Administrator\AppData\Local\Microsoft\

CMT -- use Java and flex for C/S program 1

as a service class. The Code is as follows: Package test; Import java. util. date;Import java. util. List;Import java. util. Map; Import org. communicator. server. channelfactory; Public class ivktest {/*** FLEX will call this method, which will simply return a string* @ Param Input* @ Return*/Public String Hello (string input ){System. Out. println (input );Return "Java return ";}/*** Flex calls this method and passes in all data types that fl

Modify IIS Queue Length

Modify IIS Queue Length Internet Information Services (IIS) limits applications that can wait in the queue at any given timeProgramThe maximum number of pool requests. If this limit is reached, all new requests will be rejected and the user will receive the error message "503-service unavailable ". By default, IIS sets the queue length to 1,000 requests. This default value may be too low, because if the queue length is 1,000, communicat

IIS modifies Queue Length

Internet Information Services (IIS) limits the maximum number of application pool requests that can wait in a queue at any given time. If this limit is reached, all new requests will be rejected, and the user will receive the error message "503– Service Unavailable". By default, IIS sets the queue length to 1,000 requests. The default value may be too low because if the queue length is 1,000,communicator Web Access (R2 release), only about 650 concurr

H. SVC

Video vendors such as Polycom,vidyo and radvision have introduced H. SVC Technology. The introduction of H. SVC Technology is introduced.Both Cisco and Polycom offer royalty-free versions of H. svc. Which open264 now the brightest eye.1.What is SVC? H.264svc (Scalable Video Coding) is based on the H. A syntax and toolset extended to support the bitstream with hierarchical characteristics, H.264SVC is the Ap

Commonly used ITU speech codec Daquan (g.711, g.722.1, g.722.2, g.723.1, g.726, g.728, g.729, g.729.1)

of other Speech Encoding algorithms. 2. g.722.1: low-complexity coding at 24 and 32 kbit/s for hands-free operation in systems with low frame loss Encoding type: Transform the domain Audio CodingEncoding rate: 24 kbps and 32 Kbps (in fact, more bit rates can be achieved, with an increase of 8 kbps, and a higher bit rate version with 32 KHz sampling ); Theoretical latency: 40 ms (20 ms frame size + 20 ms lookhead) Sound Quality: audio algorithms such as MP3 and WMA are better at low bit rates.

Hands-On learning TCP: Environment building

the service side via the "VirtualBox host-only Network" network card.Static voidMain (string[] args) { //Take the selected adapterPacketdevice Selecteddevice =Utils.getnicdevice (); //Open the output device using(Packetcommunicator Communicator = Selecteddevice.open (System.Int32.MaxValue,//name of the devicePacketdeviceopenattributes.promiscuous,//Promiscuous Mode 1))//Read Timeou

1. Personal Project Individual Project

,listnode *p);ListNode * Listfind (linklist head);void Delnode (linklist head);void Printlist (linklist head);int main (){for (;;) {Switch (Menu_select ()){Case 1:printf ("***********************************\n");printf ("* Establishment of *\n list");printf ("***********************************\n");Head=createlist ();BreakCase 2:printf ("***********************************\n");printf ("* Add *\n for Communicator information");printf ("****************

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