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Searching: audio signal





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Patent # Description
US-7,920,775 Recording apparatus
A recording apparatus has: a stream generating unit for generating a first stream constituted of a first moving image signal at a first frame rate and an input...
US-7,920,711 Audio device and method for generating surround sound having first and second surround signal generation units
An audio device capable of easily generating two or more sets of surround signals based on 2-channel stereo signals and a method for generating surround sound...
US-7,920,708 Low computation mono to stereo conversion using intra-aural differences
A method of converting single channel audio (mono) signals to two channel audio (stereo) signals using simple filters and an Intra-aural Time Difference (ITD)...
US-7,920,707 Audio system
The designation of a localization position is received in accordance with an input position on a dashboard image in a localization-position reception window,...
US-7,920,622 Digital broadcasting transmitter, turbo stream processing method thereof, and digital broadcasting system...
A digital broadcasting transmitter, a turbo stream processing method thereof, and a digital broadcasting system having the same. The digital broadcasting...
US-7,920,490 Systems and methods for wireless transmission and reception of data including frequency and channel code selection
Systems and methods are disclosed for wireless transmission and reception of data including processing and buffering features. According to one or more...
US-7,920,209 Delay matching in audio/video systems
An audio/video system comprises an audio signal processing path having an audio path delay and a video signal processing path having a video path delay. The...
US-7,918,685 Cable assembly for mobile media devices
Disclosed herein is a mobile media device cable assembly for connecting a mobile media device with an accessory device, e.g., a docking station, audio system...
US-7,917,922 Video input switching and signal processing apparatus
An apparatus integrates a plurality of television signal sources into a cohesive audio/video environment. Internal provisions include a standard ...
US-7,917,369 Quality improvement techniques in an audio encoder
An audio encoder implements multi-channel coding decision, band truncation, multi-channel rematrixing, and header reduction techniques to improve quality and...
US-7,917,360 Echo avoidance in audio time stretching
A transient echo can be avoided during time stretching of a digital audio signal by detecting a transient in a frame of a digital audio signal, identifying...
US-7,917,358 Transient detection by power weighted average
A transient in a digital audio signal can be detected by generating a first set of spectral characteristics associated with a first portion of the digital audio...
US-7,917,178 Wireless communications device with voice-to-text conversion
A wireless communications device includes a receiver that transmits and receives speech signals to and from a remote party via a wireless communications network....
US-7,917,174 Method and system for the configuration of a mobile station baseband circuit for an acoustic accessory
A method and system for the configuration of a mobile station baseband circuit for an acoustic accessory having an identifier, the method comprising the steps...
US-7,917,131 System and method for minimizing undesired audio in a communication system utilizing distributed signaling
A system and method for processing calls in a communication system utilizing distributed signaling. When a call signal having distributed identification data is...
US-7,917,111 Method and system for monitoring broadcast audio programs from the beginning of the programs
A method and system for monitoring broadcast programs from the beginning of the programs is provided. The system includes a tuner configured to receive and...
US-7,917,081 Apparatus and method for vehicle system interface
A vehicle system interface, comprising: an antenna for receiving satellite or terrestrial broadcast of digital radio signals; a radio receiver circuit for...
US-7,916,877 Modular interunit transmitter-receiver for a portable audio device
The invention pertains to a modular inter-unit transmitter/receiver for a portable audio device such as an MP3 player, a handheld device for playback of audio...
US-7,916,876 System and method for reconstructing high frequency components in upsampled audio signals using modulation and...
A system and method is disclosed for reconstructing high frequency components of a digital audio signal using a harmonic enhancer in a baseband integrated...
US-7,916,875 Audio input-output module, plug-in device detection module and methods for use therewith
A plug-in device detection module includes a measurement signal generator for generating a measurement signal. A port coupler couples the measurement signal to a...
US-7,916,873 Stereo compatible multi-channel audio coding
A parametric representation of a multi-channel audio signal having parameters suited to be used together with a monophonic downmix signal to calculate a...
US-7,916,872 Integrated short range RDS FM transmitter
A low-power, software based modulator that is used to transfer text data from an auxiliary audio device to an FM radio receiver includes a processor that...
US-7,916,848 Methods and systems for participant sourcing indication in multi-party conferencing and for audio source...
Indications of which participant is providing information during a multi-party conference. Each participant has equipment to display information being...
US-7,916,843 Digital telephone data and control signal transmission system
Techniques are disclosed for using Ethernet Layer 1 as a means for transporting audio, control, and status signals between telephones and an aggregator device in...
US-7,916,823 Auto-referencing mixed-mode phase locked loop for audio playback applications
Audio streaming is made available throughout the signal processing path of a speech (or audio) processor of a cochlear implant system. Audio streaming allows one...
US-7,916,686 Method and communication network components for managing media signal quality
A media signal quality manager for controlling one or more parameters of a network node through which passes a media signal. The audio signal quality manager has...
US-7,915,511 Method and electronic device for aligning a song with its lyrics
A method of aligning a song with lyrics of the song which comprises the steps of aligning each lyrics fragment of a group of similar lyrics fragments (C) in the...
US-7,914,341 Audio signal switcher
An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The audio jack includes a...
US-7,914,340 Audio signal switcher
An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The first USB port includes...
US-7,914,339 Audio signal switcher
An audio signal switcher includes a jack switcher and a plug switcher. The jack switcher includes at least two audio jacks and a first USB port. The first USB...
US-7,913,288 Home entertainment system
A dedicated apparatus for playing unmodified software, housed in a home entertainment system chassis, for playing in a home entertainment environment the...
US-7,912,729 High-frequency bandwidth extension in the time domain
A system extends the high-frequency spectrum of a narrow band audio signal in the time domain. The system extends the harmonics of vowels by introducing a non...
US-7,912,728 Method and system for handling the processing of bluetooth data during multi-path multi-rate audio processing
An audio codec in a baseband processor may be utilized for mixing audio signals received at a plurality of data sampling rates. The mixed audio signals may be up...
US-7,912,709 Method and apparatus for estimating harmonic information, spectral envelope information, and degree of voicing...
A degree of voicing is extracted using the characteristic of harmonic peaks existing in a constant period by converting an input speech or audio signal to a...
US-7,912,566 System and method for transmitting/receiving object-based audio
Provided is a system and method for transmitting/receiving an object-based audio. The system includes: a pre-processing unit for receiving an audio signal from...
US-7,912,564 Digital mixing system with double arrangement for fail safe
A digital mixing system has a console having a display and an operator for transmitting and receiving a control signal, an engine having input channels and...
US-7,912,501 Audio I/O headset plug and plug detection circuitry
A single prong, multiple signal conducting plug and plug detection circuitry is provided. The plug may be electrically coupled to a stereo headset including a...
US-7,912,232 Method and apparatus for removing or isolating voice or instruments on stereo recordings
A first embodiment of the invention provides a method and apparatus for attenuating or amplifying voice or other signals present on a stereo audio recording that...
US-7,912,231 Systems and methods for reducing audio noise
Various embodiments of systems and methods for reducing audio noise are disclosed. One or more sound components such as noise and network tone can be detected...
US-7,912,226 Automatic measurement of audio presence and level by direct processing of an MPEG data stream
Automatic measurements are made of audio presence and level in an audio signal by direct processing of an MPEG data stream representing the audio signal, without...
US-7,912,211 Portable speakerphone device and subsystem
Disclosed herein are portable teleconferencing products that implement a doubletalk detector in a low frequency range or in a frequency range commensurate with...
US-7,912,208 Systems, methods, and devices for an enhanced on-hold interface
An on-hold interface system is disclosed. According to one embodiment, the system includes an interactive voice response system for providing a plurality of...
US-7,912,153 System and method of performing digital multi-channel audio signal decoding
A system and method are disclosed for performing digital multi-channel decoding of a BTSC composite audio signal. Each subsequent stage of the digital...
US-7,912,149 Synchronization and segment type detection method for data transmission via an audio communication system
A system and method for asynchronous data communication over a cellular communications network that allows the transmission of different types of data frames...
US-7,911,983 Selective mute/unmute control over applications running on a PC
A computer includes a sound card and a processor that runs one or more applications that cause the processor to generate audio signals coupled to the sound card....
US-7,911,901 Magnetic and optical rotating storage systems with audio monitoring
A control system for a rotating data storage device includes a drive module configured to at least one of (i) process data, (ii) store data, and (iii) control...
US-7,911,537 Multichannel video reception apparatus and method for digital broadcasting
Provided is a multichannel video reception apparatus of a mobile communication terminal for digital broadcasting. An RF processor receives a broadcast signal of...
US-7,911,493 Display accessory for a mobile device
A portable wireless system that comprises a display accessory in communication with a mobile device. The mobile device is configured to communicate with a base...
US-7,911,401 Earphone antenna and wireless device including the same
An earphone antenna is provided that can eliminate high-frequency adverse effects on a wireless device transmitted from a human body via an earphone. The...
US-7,911,353 Verifying speaker operation during alarm generation
The patent discloses a method of verifying that a dialysis machine audio alarm has been sounded. The method senses a waveform of electric power, such as a...
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