Unlock instant, AI-driven research and patent intelligence for your innovation.

Restoring system and method for voice package losing

A loss recovery and packet loss technology, applied in transmission systems, digital transmission systems, error prevention, etc., can solve problems such as high power consumption, increase accurate judgment methods, and increase computational complexity, so as to reduce the amount of calculation and power consumption effect

Inactive Publication Date: 2010-05-05
LENOVO (BEIJING) LTD
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, the main focus of the existing methods is how to provide a single packet loss recovery algorithm with better performance, which is generally at the cost of increasing the computational complexity and increasing the accuracy of the decision method
Because of processing power, these algorithms may be suitable for PC-based soft terminals, but for embedded VOIP devices, power consumption is an important indicator of overall machine performance. The higher the operating frequency of the main CPU, the greater the power consumption

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Restoring system and method for voice package losing
  • Restoring system and method for voice package losing
  • Restoring system and method for voice package losing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] During voice transmission, voice packets are continuously transmitted in the network, and the loss of voice packets may occur at any moment of voice processing, so the packet loss recovery algorithm must be calculated in real time. In the present invention, based on the lost voice packet situation, the corresponding packet recovery algorithm is called in real time to perform packet recovery.

[0020] like figure 2 As shown, the voice packet loss recovery system according to the present invention comprises a voice packet receiving unit 21, a voice packet buffer unit 22, a packet loss recovery algorithm selection unit 23, a packet loss recovery algorithm loading unit 24, a packet loss recovery algorithm unit 25 and a voice package playing unit 26.

[0021] The voice packet receiving unit 21 is responsible for receiving the voice packet from the network. After receiving the voice packet, it is determined whether the voice packet has arrived. If it arrives, the voice pack...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

This invention provides one sound lose restore system and method, which comprises the following parts: one package lost restore formula selection unit to select package lost restore formula accordingto package type and rate; one package lost restore unit by use of restore formula to process package lost restore.

Description

technical field [0001] The invention relates to a voice packet loss recovery system and method, in particular to a voice packet loss recovery system and method capable of recovering packet loss with low power consumption. Background technique [0002] VoIP uses the IP packet switching network as the transmission platform to perform a series of special processing such as compression and packaging on the analog voice signal, so that it can be transmitted using the connectionless UDP protocol. The voice signal is an analog waveform. To transmit voice through IP, the voice signal must first be converted to analog data, that is, the analog voice signal is quantized to 8 or 16 bits, and then sent to the buffer storage area. Many low-bit-rate encoders encode frames in units of frames. [0003] Once the speech signal is digitally encoded, the next step is to compress the speech packets with a specific frame length. After encoding, the compressed voice packets are sent to the netwo...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00
Inventor 于辰涛
Owner LENOVO (BEIJING) LTD