公开(公告)号：AT554478T

公开(公告)日：2012-05-15

申请号：AT00965448

申请日：2000-09-27

Applicant: QUALCOMM INC

Inventor： YAO YU-DONG ,  TOMCIK JAMES ,  VON DAMM MATTHEW ,  BROWN JAMES

IPC: G10L19/00

Abstract: A method and apparatus for reducing voice latency in a voice-over-data wireless communication system. In a transmitter, data frames are created from audio information by a vocoder and stored in a queue. Prior to storage, some of the data frames are eliminated, or dropped, and are not stored in the queue. In a receiver, data frames are generated from received signals and stored in a queue. Prior to storage in the receiver queue, some of the data frames are dropped. Data frames are dropped either at a single fixed rate, a dual fixed rate, or a variable rate, generally depending on a communication channel latency. By dropping data frames at the transmitter, the receiver, or both, voice latency due to data frame retransmissions is reduced.

公开(公告)号：ES2382539T3

公开(公告)日：2012-06-11

申请号：ES00965448

申请日：2000-09-27

Applicant: QUALCOMM INC

Inventor： YAO YU-DONG ,  TOMCIK JAMES ,  VON DAMM MATTHEW ,  BROWN JAMES

IPC: G10L19/00

Abstract: Un procedimiento para reducir la latencia de voz en un sistema de comunicación inalámbrica de voz sobre datos, que comprende las etapas de: generar (800) una pluralidad de tramas de datos; descartar (806, 806) una o más de dicha pluralidad de tramas de datos para producir una pluralidad de tramas de datos restantes, en el cual la etapa de descartar una o más de dicha pluralidad de tramas de datos comprende las etapas de: determinar una latencia (802) del canal de comunicación; y descartar (806, 808) cada una de dicha pluralidad de tramas de datos que tenga una tasa codificada igual a una primera tasa de codificación si dicha latencia del canal de comunicación supera un umbral predeterminado; y almacenar (810) dicha pluralidad de tramas de datos restantes en una cola.

公开(公告)号：WO0137526A9

公开(公告)日：2002-05-30

申请号：PCT/US0031806

申请日：2000-11-17

Applicant: QUALCOMM INC

Inventor： BROWN JAMES ,  QUICK FRANK ,  LEKVEN ERIC

IPC: H04B1/44 ,  H04M1/725 ,  H04W84/08 ,  H04M1/247 ,  H04Q7/28

CPC classification number: H04W84/08 ,  H04B1/44 ,  H04M1/7258

Abstract: A method and apparatus for providing push-to-talk functionality to a conventional telephone. An existing key or switch located on a conventional telephone is selected to act as a push-to-talk switch. When a push-to-talk mode of operation is entered, the preselected key or switch is reconfigured to act as a push-to-talk switch. When the preselected key or switch is pressed while the telephone is in the push-to-talk mode, transmission from the telephone is enabled, allowing a user to transmit information to one or more entities. Transmission generally accurs for as long as the preselected key or switch is pressed. When the preselected key is released, the telephone is disabled from transmitting information.

Abstract translation: 一种用于向常规电话提供一键通功能的方法和装置。 选择位于常规电话上的现有密钥或交换机用作即按即说交换机。 当输入一键通操作模式时，预先选择的键或开关被重新配置为作为一键通开关。 当电话处于一键通模式时按下预选的键或开关，从电话机的传输被启动，允许用户向一个或多个实体发送信息。 只要按下预先选择的按键或开关，传输通常就会发生故障。 当预先选择的键被释放时，电话被禁止传送信息。

公开(公告)号：AU1624101A

公开(公告)日：2001-05-30

申请号：AU1624101

申请日：2000-11-17

Applicant: QUALCOMM INC

Inventor： BROWN JAMES ,  QUICK FRANK ,  LEKVEN ERIC

IPC: H04B1/44 ,  H04M1/725 ,  H04W84/08 ,  H04Q7/28 ,  H04M1/247

Abstract: A method and apparatus for providing push-to-talk functionality to a conventional telephone. An existing key or switch located on a conventional telephone is selected to act as a push-to-talk switch. When a push-to-talk mode of operation is entered, the preselected key or switch is reconfigured to act as a push-to-talk switch. When the preselected key or switch is pressed while the telephone is in the push-to-talk mode, transmission from the telephone is enabled, allowing a user to transmit information to one or more entities. Transmission generally accurs for as long as the preselected key or switch is pressed. When the preselected key is released, the telephone is disabled from transmitting information.