JPH0440139A - Packet data transmitter - Google Patents
Packet data transmitterInfo
- Publication number
- JPH0440139A JPH0440139A JP2147819A JP14781990A JPH0440139A JP H0440139 A JPH0440139 A JP H0440139A JP 2147819 A JP2147819 A JP 2147819A JP 14781990 A JP14781990 A JP 14781990A JP H0440139 A JPH0440139 A JP H0440139A
- Authority
- JP
- Japan
- Prior art keywords
- packet
- sound
- sound packet
- dummy
- voice
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005259 measurement Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000006866 deterioration Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、パケットデータ送信装置に関するものである
。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a packet data transmitting device.
従来の技術
従来のパケットデータ送信においては、音声パケットと
その他の情報パケット（以下情報パケットと略す。）は
、それぞれ異なる交換装置およびネットワークにより伝
送されていた。BACKGROUND OF THE INVENTION In conventional packet data transmission, voice packets and other information packets (hereinafter referred to as information packets) are transmitted by different switching devices and networks.
近年、音声パケットと情報パケットを同一のネットワー
クにより伝送する方式が一般に提案されている。In recent years, methods have been generally proposed in which voice packets and information packets are transmitted through the same network.
発明が解決しようとする課題
しかしながら、音声パケットと情報パケットを同一装置
で処理する場合には、処理の遅延により音声パケットに
遅れが生じ、音声品質の低下を招くという欠点があった
。Problems to be Solved by the Invention However, when voice packets and information packets are processed by the same device, there is a drawback that the voice packets are delayed due to processing delays, leading to a decrease in voice quality.
本発明は、上記課題に鑑み、音声品質の低下を最小限に
抑えることを目的とする。In view of the above problems, the present invention aims to minimize the deterioration of voice quality.
課題を解決するだめの手段
この目的を達成するために、本発明は、音声パケットと
情報パケットを識別する音声／情報パケット識別部と、
音声パケットの送信間隔を測定するしきい値測定タイマ
部と、送信間隔がしきい値を越えたときに疑似音声パケ
ットを生成する疑似音声パケット生成部を設けるように
構成されている。Means for Solving the Problem To achieve this object, the present invention provides a voice/information packet identifier for identifying voice packets and information packets;
The device is configured to include a threshold measurement timer section that measures the transmission interval of voice packets, and a pseudo voice packet generation section that generates a pseudo voice packet when the transmission interval exceeds the threshold value.
作用
本発明は、上記構成により、音声パケット送信時に、外
部からの音声パケットの入力が所定間隔以上途切れたと
き、すなわち音声パケットの入力間隔があらかじめ定め
られたしきい値を越えたときに疑似音声パケットを生成
して送信するものである。これにより、音声パケットの
遅延による音声品質の低下を最小限にすることが可能に
なる。Effect of the Invention With the above configuration, the present invention generates pseudo audio when the input of external audio packets is interrupted for a predetermined interval or more when transmitting audio packets, that is, when the input interval of audio packets exceeds a predetermined threshold. It generates and sends packets. This makes it possible to minimize deterioration in voice quality due to voice packet delay.
実施例
以下、本発明の一実施例について図面を参照しながら説
明する。図は、本発明によるパケットデータ送信装置の
一実施例を示すブロック図である。EXAMPLE Hereinafter, an example of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of a packet data transmitting device according to the present invention.
第１図において、音声／情報パケット識別部１０、しき
い値測定タイマ部１１、疑似音声パケット生成部１２か
ら構成されるパケットデータ送信装置１と、パケット生
成部２から成る。In FIG. 1, a packet data transmitting device 1 includes a voice/information packet identifying section 10, a threshold measurement timer section 11, a pseudo voice packet generating section 12, and a packet generating section 2.
パケット生成部２は、パケットデータ送信装置１に対し
て外部パケットデータ１００を出力する。The packet generator 2 outputs external packet data 100 to the packet data transmitter 1 .
外部パケットデータ１００が供給された音声／情報パケ
ット識別部１０は、パケットデータ１０１として装置外
に出力すると共に、外部パケットデータ１００カ、音声
パケットの場合のみ音声パケット識別信号１０２をしき
い値測定タイマ部１１へ出力する。The audio/information packet identification unit 10 supplied with the external packet data 100 outputs the external packet data 100 to the outside of the device as packet data 101, and also outputs the external packet data 100 and the audio packet identification signal 102 only in the case of audio packets to a threshold measurement timer. It outputs to section 11.
しきい値測定タイマ部１１は、音声パケット識別信号１
０２を監視し、その間隔があらかじめ定められた時間を
越えたときに疑似音声パケット生成部１２に対して疑似
音声パケット生成指令信号１０３を出力する。疑似音声
パケット生成部１２は、疑似音声パケット生成指令信号
１０３を入力した場合のみ、疑似音声パケットを生成し
、音声／情報パケ・ノド識別部１０に疑似音声パケット
データ１０４を出力する。The threshold measurement timer section 11 receives the audio packet identification signal 1.
02, and outputs a pseudo voice packet generation command signal 103 to the pseudo voice packet generator 12 when the interval exceeds a predetermined time. The pseudo voice packet generation section 12 generates a pseudo voice packet only when receiving the pseudo voice packet generation command signal 103 and outputs pseudo voice packet data 104 to the voice/information packet/node identification section 10 .
疑似音声パケット生成部１２から疑似音声パケットデー
タ１０４が供給された音声／情報パケット識別部１０は
、疑似音声パケットデータ１０４をパケットデータ１０
１として装置外に出力する。同時に音声パケット識別信
号１０２をしきい値測定タイマ部１１へ出力する。以後
、前述の動作が繰り返し行われる。The voice/information packet identification unit 10 to which the pseudo voice packet data 104 is supplied from the pseudo voice packet generation unit 12 converts the pseudo voice packet data 104 into packet data 10.
Output to the outside of the device as 1. At the same time, the voice packet identification signal 102 is output to the threshold measurement timer section 11. Thereafter, the above-described operation is repeated.
なお、本発明は、パケットの送信局および受信局におい
て、同様の構成により実施可能であることは勿論である
。It goes without saying that the present invention can be implemented with the same configuration in the packet transmitting station and the packet receiving station.
発明の効果
以上のように本発明は、音声パケットと情報パケットを
識別する音声／情報パケット識別部と、音声パケットの
送信間隔を測定するしきい値測定タイマ部と、送信間隔
がしきい値を越えたときに疑似音声パケットを生成する
疑似音声パケット生成部を設け、音声パケット送信時に
、外部からの音声パケットの入力が所定間隔以上途切れ
たとき、すなわち音声パケットの入力間隔があらかじめ
定められたしきい値を越えたときに疑似音声パケットを
生成して送信することにより、音声パケットの遅延によ
る音声品質の低下を最ｌ」・限に抑えることが可能にな
る。Effects of the Invention As described above, the present invention includes an audio/information packet identification unit that identifies audio packets and information packets, a threshold measurement timer unit that measures the transmission interval of audio packets, and a transmission interval that exceeds a threshold value. A pseudo voice packet generation unit is provided that generates a pseudo voice packet when the input interval of voice packets is exceeded. By generating and transmitting a pseudo voice packet when the threshold is exceeded, it is possible to minimize the deterioration in voice quality due to voice packet delay.
図は本発明によるパケットデータ送信装置の一実施例を
示すブロック図である。
１・・・パケットデータ送信装置、２・・・パケット生
成部、１０・・・音声／情報パケット識別部、１１・・
・しきい値測定タイマ部、１２・・・疑似音声パケット
生成部、１００・・・外部パケットデータ、１０１・・
・パケットデータ、１０２・・・音声パケット識別信号
、１０３・・・疑似音声パケット生成指令信号、１０４
・・・疑似音声パケットデータ。The figure is a block diagram showing an embodiment of a packet data transmitting device according to the present invention. DESCRIPTION OF SYMBOLS 1...Packet data transmitting device, 2...Packet generation unit, 10...Audio/information packet identification unit, 11...
- Threshold measurement timer section, 12... Pseudo voice packet generation section, 100... External packet data, 101...
Packet data, 102... Voice packet identification signal, 103... Pseudo voice packet generation command signal, 104
...pseudo voice packet data.
Claims (1)
ット識別部と、音声パケットの送信間隔を測定するしき
い値測定タイマ部と、前記送信間隔が前記しきい値を越
えたときに疑似音声パケットを生成する疑似音声パケッ
ト生成部を具備することを特徴とするパケットデータ送
信装置。an audio/information packet identification unit that identifies audio packets and information packets; a threshold measurement timer unit that measures audio packet transmission intervals; and generates a pseudo audio packet when the transmission interval exceeds the threshold. What is claimed is: 1. A packet data transmitting device comprising: a pseudo voice packet generating section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2147819A JPH0440139A (en) | 1990-06-06 | 1990-06-06 | Packet data transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2147819A JPH0440139A (en) | 1990-06-06 | 1990-06-06 | Packet data transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0440139A true JPH0440139A (en) | 1992-02-10 |
Family
ID=15438945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2147819A Pending JPH0440139A (en) | 1990-06-06 | 1990-06-06 | Packet data transmitter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0440139A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08111683A (en) * | 1994-10-13 | 1996-04-30 | N T T Ido Tsushinmo Kk | Silent cell abandoning communication system |
| JP2007266988A (en) * | 2006-03-28 | 2007-10-11 | Kyocera Corp | Communication path controller, radio communication equipment, communication path control method and communication method for radio communication equipment |
| JP2008042648A (en) * | 2006-08-08 | 2008-02-21 | Sharp Corp | Ip phone relay device, ip phone device, ip phone system, relay processing program, and computer readable recording medium with program stored therein |
| JP2010233234A (en) * | 2010-05-10 | 2010-10-14 | Kyocera Corp | Wireless communication apparatus, and communication method of the same |
-
1990
- 1990-06-06 JP JP2147819A patent/JPH0440139A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08111683A (en) * | 1994-10-13 | 1996-04-30 | N T T Ido Tsushinmo Kk | Silent cell abandoning communication system |
| JP2007266988A (en) * | 2006-03-28 | 2007-10-11 | Kyocera Corp | Communication path controller, radio communication equipment, communication path control method and communication method for radio communication equipment |
| WO2007114194A1 (en) * | 2006-03-28 | 2007-10-11 | Kyocera Corporation | Communication path control apparatus, wireless communication apparatus, communication path control method and communication method of wireless communication apparatus |
| JP4545109B2 (en) * | 2006-03-28 | 2010-09-15 | 京セラ株式会社 | Communication path control device |
| US8374126B2 (en) | 2006-03-28 | 2013-02-12 | Kyocera Corporation | Communication route controller, radio communication device, communication route controlling method and communication method for radio communication device |
| JP2008042648A (en) * | 2006-08-08 | 2008-02-21 | Sharp Corp | Ip phone relay device, ip phone device, ip phone system, relay processing program, and computer readable recording medium with program stored therein |
| JP4624323B2 (en) * | 2006-08-08 | 2011-02-02 | シャープ株式会社 | IP communication relay device, network system, relay processing program, and relay method |
| JP2010233234A (en) * | 2010-05-10 | 2010-10-14 | Kyocera Corp | Wireless communication apparatus, and communication method of the same |
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