Apparatus and method for generating visual content from an audio signal
US-2017337913-A1 · Nov 23, 2017 · US
Hidden Markov Models [HMMs]
Hidden Markov Models [HMMs] · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G10L15/142 |
| Official title | {Hidden Markov Models [HMMs]} |
| Display label | Hidden Markov Models [HMMs] |
| Total patents | 389 |
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 | 26 |
| 2016 | 33 |
| 2017 | 44 |
| 2018 | 45 |
| 2019 | 58 |
| 2020 | 31 |
| 2021 | 54 |
| 2022 | 38 |
| 2023 | 26 |
| 2024 | 16 |
| 2025 | 17 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Continuous interaction learning and detection in real-time
US-2016371604-A1 · Dec 22, 2016 · US
Combined speech and touch input for observation symbol mappings
US-9519353-B2 · Dec 13, 2016 · US
Tamper-resistant element for use in speaker recognition
US-2016329052-A1 · Nov 10, 2016 · US
Method for decoding image and apparatus using same
US-2016316210-A1 · Oct 27, 2016 · US
Information processing apparatus, information processing method, and computer program for controlling state transition
US-RE46186-E · Oct 25, 2016 · US
System and Method For Automated Sign Language Recognition
US-2016307469-A1 · Oct 20, 2016 · US
Processing audio waveforms
US-2016284347-A1 · Sep 29, 2016 · US
Speech effectiveness rating
US-2016267922-A1 · Sep 15, 2016 · US
System and method for automated speech recognition
US-2016260429-A1 · Sep 8, 2016 · US
Tamper-resistant element for use in speaker recognition
US-9431016-B2 · Aug 30, 2016 · US
Voice search device, voice search method, and non-transitory recording medium
US-9431007-B2 · Aug 30, 2016 · US
Voice Controllable Interactive Communication Display System and Method
US-2016246569-A1 · Aug 25, 2016 · US
Apparatus and method for large vocabulary continuous speech recognition
US-2016240190-A1 · Aug 18, 2016 · US
Methods and apparatus for interpreting received speech data using speech recognition
US-9418679-B2 · Aug 16, 2016 · US
Speech effectiveness rating
US-9412393-B2 · Aug 9, 2016 · US
Continuous interaction learning and detection in real-time
US-9390380-B2 · Jul 12, 2016 · US
Low latency and memory efficient keywork spotting
US-9390708-B1 · Jul 12, 2016 · US
Maximum likelihood channel normalization
US-9378729-B1 · Jun 28, 2016 · US
System and method of lattice-based search for spoken utterance retrieval
US-2016179947-A1 · Jun 23, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G10L15/142?
- CPC G10L15/142 is the Cooperative Patent Classification code for “Hidden Markov Models [HMMs].”
- How many patents are filed under CPC G10L15/142 (Hidden Markov Models [HMMs])?
- Our database includes 389 publications tagged with this CPC code.
- Is patent activity under CPC G10L15/142 growing?
- Publication counts under this code: 16 in 2024 vs 17 in 2025 (latest complete years).