Optibase Ltd.

David Sackstein

Yehuda Elmaliach

A method and system are presented for producing an audio/video stream with improved video quality for a given bitrate, using non-standard sampling rates while preserving timely playback by the decoder. The method may include sub-sampling according to a duty cycle and/or time-slapping frames in an audio/visual stream.

Method for compressing an audio-visual signal

In a combined audio and video encoding system, the encoding system receiving a stream of video samples and a stream of audio samples, the encoding system producing an encoded video stream from the video samples and an encoded audio stream from the audio samples, a method for synchronizing between the encoded video stream and the encoded audio stream, the method including the steps of monitoring the encoded video stream and the encoded audio stream, detecting the amount of video data accumulated from the encoded video stream in a given time period, detecting the amount of audio data accumulated from the encoded audio stream in a given time period, increasing the number of audio samples in the audio stream, when the accumulated amount of video data is greater than the accumulated amount of audio data and decreasing the number of audio samples in the audio stream, when the accumulated amount of audio data is greater than the accumulated amount of video data.

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Netanya, Israel

David Sackstein