Delayed onset of voice activity detection for jitter adaptation
AssigneeMindspeed Technologies, Inc.
InventorsJoel D. Peshkin, Karim Younes, James W. Johnston
Life of this patent
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Abstract
Disclosed are various systems and methods for controlling a voice activity detector. In one example approach, a method is provided in which a voice over internet protocol (VOIP) session is initiated in a first gateway with a second gateway. A plurality of jitter adaptation packets are transmitted from the first gateway to the second gateway. Also, the voice activity detector is disabled in the first gateway during the transmission of the jitter adaptation packets. The voice activity detector is enabled in the first gateway after the transmission of the jitter adaptation packets.
Claims11
A method for controlling a voice activity detector, comprising the steps of:
- initiating in a first gateway a voice over internet protocol (VOIP) session with a second gateway;
- transmitting a plurality of jitter adaptation packets from the first gateway to the second gateway;
- disabling the voice activity detector in the first gateway during the transmission of the jitter adaptation packets;
- enabling the voice activity detector in the first gateway after the transmission of the jitter adaptation packets;
- determining whether a packet has been received in the first gateway from the second gateway, wherein the jitter adaptation packets are transmitted after the packet has been received in the first gateway;
- and
- counting the jitter adaptation packets transmitted to the second gateway after the packet has been received in the first gateway, wherein the voice activity detector is enabled after a predefined quantity of the jitter adaptation packets is transmitted from the first gateway to the second gateway;
- wherein the jitter adaptation packets transmitted from the first gateway to the second gateway comprise an initial number of packets transmitted by the first gateway to the second gateway.
A system in a first gateway for controlling a voice activity detector (VAD), comprising:
- a VAD controller configured to:
- disable the VAD in the first gateway during a transmission of a plurality of jitter adaptation packets to a second gateway;
- enable the VAD in the first gateway after the transmission of the jitter adaptation packets;
- determine whether a packet has been received in the first gateway from the second gateway, wherein the jitter adaptation packets are transmitted after the packet has been received in the first gateway;
- and
- count the jitter adaptation packets transmitted to the second gateway after the packet has been received in the first gateway, and to enable the voice activity detector after a predefined quantity of the jitter adaptation packets is transmitted from the first gateway to the second gateway;
- wherein the jitter adaptation packets further comprise an initial number of packets transmitted by the first gateway to the second gateway.
A system in a first gateway for controlling a voice activity detector (VAD), comprising:
- means for disabling the VAD in the first gateway during a transmission of a plurality of jitter adaptation packets to a second gateway;
- means for enabling the VAD in the first gateway after the transmission of the jitter adaptation packets;
- means for determining whether a packet has been received in the first gateway from the second gateway, wherein the jitter adaptation packets are transmitted after the packet has been received in the first gateway;
- means for counting the jitter adaptation packets transmitted to the second gateway after the packet has been received in the first gateway;
- and
- means for enabling the voice activity detector after a predefined quantity of the jitter adaptation packets is transmitted from the first gateway to the second gateway;
- wherein the jitter adaptation packets further comprise an initial number of packets transmitted by the first gateway to the second gateway.
Dependencies are inferred from the claim text.