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US 6,611,215 B2Granted
System and related methods for processing audio content in a filter graph
AssigneeMicrosoft Corporation
InventorsDaniel J. Miller, Eric H. Rudolph
Life of this patent
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Abstract
A method comprising identifying a sample rate of received audio content, receiving a conversion sample rate, and converting the received audio content to the received conversion sample rate. Wherein the conversion comprises utilizing a repeating sequence of packets where all but one of the packets of each sequence are truncated to a whole number of samples, while the remaining packet is rounded up to the next whole number of samples if the conversion fails to resolve packet size to a whole number.
Claims23
A method comprising:
- identifying a sample rate of received audio content;
- receiving a conversion sample rate;
- and
- converting the received audio content to the received conversion sample rate utilizing a repeating sequence of packets where all but one of the packets of each sequence are truncated to a whole number of samples, while the remaining packet is rounded up to the next whole number of samples if the conversion fails to resolve packet size to a whole number.
1 more element
An audio conversion object comprising:
- a buffer to receive audio content;
- and
- a packet generator, coupled to the buffer, to convert the received audio content from a first sample rate to a second sample rate, wherein any rounding error incurred in the conversion is localized to within a repeating sequence of non-uniform packets.
Dependencies are inferred from the claim text.