Method of arbitrating speakerphone operation in a portable...

Details Method of arbitrating speakerphone operation in a portable... Method of arbitrating speakerphone operation in a portable...

H - Electricity

04

M

H04M 9/08 (2006.01) H04R 3/02 (2006.01)

Patent

CA 2441131

A speakerphone arbitration method is used to eliminate the effects of telephone circuits. The method assumes that speech energy received at the speaker phone is an echo (410), unless the speech energy has characteristics that indicate it is not echo, such as the duration of the speech energy (418), and the time at which the speech energy is received relative to the time when the user of the speakerphone finishes speaking, or pauses while speaking.

L'invention concerne un procédé d'arbitrage d'écoute amplifiée utilisé pour supprimer les effets d'un écho dans des circuits téléphoniques. Ledit procédé suppose que l'énergie vocale reçue au niveau d'un bloc micro/haut-parleur est un écho (410) sauf s'il s'avère que ladite énergie vocale présente des caractéristiques indiquant qu'il ne s'agit pas d'un écho, ces caractéristiques étant la durée de l'énergie vocale (418), et le moment de réception de cette énergie vocale par rapport au moment où un utilisateur de bloc micro/haut-parleur cesse de parler ou fait une pause.

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