Reducing audio artifacts in a system for enhancing dynamic range of audio signal path
US-2015381130-A1 · Dec 31, 2015 · US
Volume control method and system
US9178481B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9178481-B2 |
| Application number | US-201313778139-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 27, 2013 |
| Priority date | Dec 28, 2012 |
| Publication date | Nov 3, 2015 |
| Grant date | Nov 3, 2015 |
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Abstract
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In a volume control method applied to an audio processing system, firstly, a digital audio stream including a plurality of digital audio packets is received from a transmitter. It is determined whether an excitation signal is detected. The digital audio packets are sampled within a predetermined sampled period according to codecing rules, on condition that the excitation signal is detected. Output values corresponding to the digital audio packets are retrieved from the sampled digital audio packets according to the sampling operation. The digital audio packets are analyzed to generate sums of sampled frequency. An averaged volume level is calculated according to the sums of sampled frequency. An audio shift value is generated according to the averaged volume level and a predetermined standard volume level. Volume control is implemented to subsequently received digital audio packets from the digital audio stream according to the audio shift value.
First claim
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What is claimed is: 1. A volume control method applied to an audio processing system, the method comprising: receiving a digital audio stream from a transmitter, the digital audio stream comprising a plurality of digital audio packets; determining whether an excitation signal is detected; sampling the digital audio packets within a sampled period according to codecing rules, on condition that the excitation signal is detected; retrieving output values corresponding to the di…
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- H03G3/3089Primary
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9178481B2 cover?
- In a volume control method applied to an audio processing system, firstly, a digital audio stream including a plurality of digital audio packets is received from a transmitter. It is determined whether an excitation signal is detected. The digital audio packets are sampled within a predetermined sampled period according to codecing rules, on condition that the excitation signal is detected. Out…
- Who is the assignee on this patent?
- Hon Hai Prec Ind Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H03G3/3089. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).