Signal processing apparatus, signal processing method, program, signal processing system, and communication terminal
US-9531338-B2 · Dec 27, 2016 · US
of digital signals
of digital signals · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03G5/005 |
| Official title | {of digital signals} |
| Display label | of digital signals |
| Total patents | 387 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 28 |
| 2016 | 34 |
| 2017 | 45 |
| 2018 | 48 |
| 2019 | 36 |
| 2020 | 44 |
| 2021 | 46 |
| 2022 | 36 |
| 2023 | 28 |
| 2024 | 21 |
| 2025 | 18 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Visually-assisted mixing of audio using a spectral analyzer
US-9530396-B2 · Dec 27, 2016 · US
Audio Filters Based on Configuration
US-2016373878-A1 · Dec 22, 2016 · US
Method and an apparatus for automatic volume leveling of audio signals
US-9509267-B2 · Nov 29, 2016 · US
Systems, methods, and apparatus to filter audio
US-9456277-B2 · Sep 27, 2016 · US
Gain optimized equalizer
US-2016268989-A1 · Sep 15, 2016 · US
Enhancing audio using a mobile device
US-2016261247-A1 · Sep 8, 2016 · US
Enhancing audio using a mobile device
US-2016261953-A1 · Sep 8, 2016 · US
Enhancing audio using a mobile device
US-2016259621-A1 · Sep 8, 2016 · US
Variable equalization
US-9438195-B2 · Sep 6, 2016 · US
Loudness level control for audio reception and decoding equipment
US-9430185-B2 · Aug 30, 2016 · US
Systems and apparatus providing frequency shaping for microphone devices and methods of operation of the same
US-2016241961-A1 · Aug 18, 2016 · US
Multi-rate system for audio processing
US-2016240183-A1 · Aug 18, 2016 · US
Audio loudness control system
US-9413322-B2 · Aug 9, 2016 · US
Audio-playing system and method for protecting storage medium of electrical device
US-9413318-B2 · Aug 9, 2016 · US
Sound output setting apparatus, method, and computer program product
US-9407230-B2 · Aug 2, 2016 · US
Dynamic compensation of audio signals for improved perceived spectral imbalances
US-9391579-B2 · Jul 12, 2016 · US
Method for processing on mobile device audio signals of remotely executed applications
US-9389828-B1 · Jul 12, 2016 · US
Intelligent volume control interface
US-2016180863-A1 · Jun 23, 2016 · US
System and method for extracting parameters of a speaker without using stimulus
US-9357302-B2 · May 31, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03G5/005?
- CPC H03G5/005 is the Cooperative Patent Classification code for “of digital signals.”
- How many patents are filed under CPC H03G5/005 (of digital signals)?
- Our database includes 387 publications tagged with this CPC code.
- Is patent activity under CPC H03G5/005 growing?
- Publication counts under this code: 21 in 2024 vs 18 in 2025 (latest complete years).