DOUBLE-HELIX SCHEDULING METHOD FOR SOUNDCARD BUFFERS DURING SOUND RECORDING AND REPRODUCTION
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Jun 13, 2024
filing date -
Jun 13, 2024
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Abstract
Provided is a double-helix scheduling method for soundcard buffers during sound recording and reproduction, which belongs to the technical field of multimedia communication. The method includes steps as follows: step 1: preparing N frame buffers for each process of the sound recording and the sound reproduction; step 2: adding N sound recording buffers in a sound card, and starting the sound recording; and writing N sound reproduction buffers in the sound card one by one, then starting the sound playing; step 3: writing sound reproduction buffers in the sound card in a sound recording callback function; step 4: adding sound recording buffers in a sound reproduction callback function; and step 5: finishing the sound recording and the sound reproduction.
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