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US 11,227,615 B2Granted
Sound processing apparatus and sound processing method
AssigneeSony Corporation
InventorsTatsuya Koizumi, Taiji Yoshida
Life of this patent
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Abstract
A sound processing apparatus includes: a conversion unit that samples predetermined audio data with a first quantization bit rate and a second quantization bit rate greater than the first quantization bit rate and outputs the respective results as first digital audio data and second digital audio data; a frequency analysis unit that performs frequency analysis on each output from the conversion unit; and a determination unit that performs predetermined determination processing on the basis of analysis results by the frequency analysis unit.
Claims13
A sound processing apparatus, comprising:
- circuitry configured to:
- concurrently sample specific audio data with a first quantization bit rate and a second quantization bit rate, wherein the second quantization bit rate is greater than the first quantization bit rate;
- output first digital audio data and second digital audio data, wherein
- the first digital audio data is based on the specific audio data sampled with the first quantization bit rate, and
- the second digital audio data is based on the specific audio data sampled with the second quantization bit rate;
- execute frequency analysis on each of the first digital audio data and the second digital audio data;
- obtain a first analysis result based on the frequency analysis on the first digital audio data;
- obtain a second analysis result based on the frequency analysis on the second digital audio data;
- execute a specific determination process to determine a difference between the first analysis result and the second analysis result;
- record the first digital audio data on a recording medium based on the difference that is less than a threshold;
- and
- record the second digital audio data on the recording medium based on the difference that is one of equal to or greater than the threshold.
9 more elements
A sound processing method, comprising:
- concurrently sampling, by circuitry, specific audio data with a first quantization bit rate and a second quantization bit rate, wherein the second quantization bit rate is greater than the first quantization bit rate;
- outputting, by the circuitry, first digital audio data and second digital audio data, wherein
- the first digital audio data is based on the specific audio data sampled with the first quantization bit rate, and
- the second digital audio data is based on the specific audio data sampled with the second quantization bit rate;
- executing, by the circuitry, frequency analysis on each of the first digital audio data and the second digital audio data;
- obtaining, by the circuitry, a first analysis result based on the frequency analysis on the first digital audio data;
- obtaining, by the circuitry, a second analysis result based on the frequency analysis on the second digital audio data;
- executing, by the circuitry, a specific determination process to determine a difference between the first analysis result and the second analysis result;
- recording, by the circuitry, the first digital audio data on a recording medium based on the difference that is less than a threshold;
- and
- recording, by the circuitry, the second digital audio data on the recording medium based on the difference that is one of equal to or greater than the threshold.
8 more elements
A non-transitory computer-readable medium having stored thereon, computer-executable instructions which, when executed by a computer, cause the computer to execute operations, the operations comprising:
- concurrently sampling specific audio data with a first quantization bit rate and a second quantization bit rate, wherein the second quantization bit rate is greater than the first quantization bit rate;
- outputting first digital audio data and second digital audio data, wherein
- the first digital audio data is based on the specific audio data sampled with the first quantization bit rate, and
- the second digital audio data is based on the specific audio data sampled with the second quantization bit rate;
- executing frequency analysis on each of the first digital audio data and the second digital audio data;
- obtaining a first analysis result based on the frequency analysis on the first digital audio data;
- obtaining a second analysis result based on the frequency analysis on the second digital audio data;
- executing a specific determination process to determine a difference between the first analysis result and the second analysis result;
- recording the first digital audio data on a recording medium based on the difference that is less than a threshold;
- and
- recording the second digital audio data on the recording medium based on the difference that is one of equal to or greater than the threshold.
8 more elements
Dependencies are inferred from the claim text.