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Searching: audio signal





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Patent # Description
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...
US-7,911,328 Capture and remote reproduction of haptic events in synchronous association with the video and audio capture...
Method and apparatus for reproducing and applying reproductions of haptic vibrations that occur at a live activity to a remote video and audio viewer. In...
US-7,911,280 Amplifier stage
An amplifier stage for generating an amplified output signal from an input signal, a mobile device comprising an audio amplifier, and an amplification method for...
US-7,910,819 Selection of tonal components in an audio spectrum for harmonic and key analysis
An audio signal is processed to extract key information by selecting (102) tonal components from the audio signal. A mask is then applied (104) to the selected...
US-7,909,651 Multifunctional connection cord for multimedia device
A multifunctional connection cord having data and power interfaces for a personal computer and audio interface for an earphone is provided. A multifunctional...
US-7,908,630 Method and apparatus for internet co-browsing over cable television and controlled through computer telephony
A novel mechanism is disclosed by which a sender can direct information such as an audiovisual signal to a particular recipient's audiovisual display device,...
US-7,908,320 Tracking user locations over multiple networks to enable real time communications
A multimedia collaboration system that integrates separate real-time and asynchronous networks--the former for real-time audio and video, and the latter for...
US-7,908,306 SRC with multiple sets of filter coefficients in memory and a high order coefficient interpolator
Systems and methods for converting a data stream from a first sample rate to a second sample rate using a sample rate converter that employs selectable filters....
US-7,908,148 Method for decoding an audio signal
The invention relates to a method for decoding an audio signal, to allow an audio signal to be compressed and transferred more efficiently. The inventive method...
US-7,908,140 Method and apparatus for performing packet loss or frame erasure concealment
The invention concerns a method and apparatus for performing packet loss or Frame Erasure Concealment (FEC) for a speech coder that does not have a built-in or...
US-7,908,134 Automatic volume control to compensate for speech interference noise
A microphone detects acoustic waves from speakers, or for a two-way voice communication device, a user's voice and background noise, and produces a corresponding...
US-7,907,977 Echo canceller with correlation using pre-whitened data values received by downlink codec
Duplex audio communications over a network use compressed audio data, with linear prediction coefficients (LPCs) and variances by which sample values differ from...
US-7,907,903 Bluetooth hands-free car kit
A bluetooth hands-free car kit includes a hands-free cell phone/PDA holder electrically connected to the internal electric circuit of a car for receiving and...
US-7,907,741 Recording device and adjustment method of recording device
A recording device obtains audio signals by plural microphones and records the audio signals on a recording medium. The device includes plural incorporated...
US-7,907,740 Electrostatic ultrasonic transducer drive control method, electrostatic ultrasonic transducer, ultrasonic...
A Push-Pull-type electrostatic ultrasonic transducer includes a first electrode having a through hole, a second electrode having a through hole making a pair...
US-7,907,736 Acoustic correction apparatus
An acoustic correction apparatus processes a pair of left and right input signals to compensate for spatial distortion as a function of frequency when said input...
US-7,907,728 Method and system of transferring scrambled content
Method and system of transferring scrambled content from location to another. The method and system may include transferring the scrambled content without...
US-7,907,721 Headset with auxiliary input jacks(s) for cell phone and/or other devices
Headsets are used in variety of applications to facilitate one- or two-way audio communications between users and/or devices. The present inventor recognized...
US-7,907,703 Method and apparatus for telephonically accessing and navigating the internet
A method for accessing and browsing the internet through the use of a telephone and the associated DTMF signals is disclosed. The preferred embodiment provides a...
US-7,907,219 Digital TV and control method thereof for saving power consumption
A digital TV including a receiving part for receiving a broadcasting signal and broadcasting information, a video processing module and an audio processing...
US-7,907,218 Receiver apparatus and receiver system
A receiver apparatus 3 has a digital circuit portion 13 that converts a compressed digital signal outputted from a digital demodulating portion 12 into digital...
US-7,907,212 Multiple path audio video synchronization
Audio video synchronization begins by receiving an audio-video signal via a first communication path. The processing continues by capturing a representation of...
US-7,907,211 Method and device for generating and detecting fingerprints for synchronizing audio and video
This invention relates to a device and a method of generating a first and a second fingerprint (102,104) usable for synchronisation of at least two signals...
US-7,907,095 Antenna device
Disclosed herein is an antenna device for receiving a broadcast wave in each of a first required frequency band and a second required frequency band, the antenna...
US-7,907,047 Apparatus and method for synchronizing visual/audible alarm units in an alarm system
An apparatus and concomitant method of reducing the number of synchronization pulses transmitted to the alarm units for increasing the reliability of the overall...
US-7,907,010 Digital amplifier
Recently, the use of class-D audio amplifiers has become more and more widespread. In contrast to the generally employed class-AB linear amplification...
US-7,904,611 Wireless communication apparatus and control method for the same
According to one embodiment, a wireless communication apparatus includes a receptacle, a power supply controller and a control module. The receptacle is adapted...
US-7,904,598 Remote radio spectrum information acquisition
A scanner system provides real-time remote acquisition of a scanner's audio signals and visual display, and real-time remote control of scanner operations,...
US-7,904,301 Processing digital data
An original digital audio signal represents unimpaired audio information. The digital audio signal is compressed and encrypted without substantial impairment to...
US-7,904,296 Spoken word spotting queries
An approach to wordspotting (180) using query data from one or more spoken instance of a query (140). The query data is processed to determining a representation...
US-7,904,293 Sub-band voice codec with multi-stage codebooks and redundant coding
Techniques and tools related to coding and decoding of audio information are described. For example, redundant coded information for decoding a current frame...
US-7,904,165 Methods and systems for presenting an audio signal to a cochlear implant patient
Methods and systems of presenting an audio signal to a cochlear implant patient include dividing the audio signal into a plurality of analysis channels,...
US-7,904,120 Mobile communication terminal capable of performing other functions while outputting DMB to external AV device
Provided is a mobile communication terminal capable of receiving Digital Multimedia Broadcasting (DMB), which includes a mobile communication terminal module, a...
US-7,904,095 GPS microphone for communication system
A GPS microphone, which is adapted for incorporating a communication system, includes a speaker-microphone set, a radio frequency transmitter communicatively...
US-7,904,056 System, method and apparatus for recording and reproducing trading communications
Apparatus, method and system are provided for recording and reproducing audio channel signals. A processor captures the audio channel signals communicated...
US-7,903,833 Headworn listening device and method
A headworn listening device includes a right ear assembly and a left ear assembly interconnected by a headband. The headworn listening device is preferably...
US-7,903,828 Remote multipoint architecture for full-duplex audio
A method, microphone module and a system for full-duplex audio system implementing full duplex audio, audio echo cancellation and audio codec. The audio signals...
US-7,903,826 Headset with ambient sound
A headset that includes an input that receives an audio signal from an electronic equipment, and at least one earpiece having an electro-acoustic speaker for...
US-7,903,825 Personal audio playback device having gain control responsive to environmental sounds
A personal audio playback device having gain control responsive to environmental sounds provides for improved enjoyment of program material played back through...
US-7,903,823 Apparatus and method for effecting sound stage expansion
An apparatus for effecting sound stage expansion in an audio system presenting two sound channels includes: (a) A first signal source coupled for providing at...
US-7,903,137 Videoconferencing echo cancellers
A system may be configured to: receive remote audio signals and corresponding spatial indicators from remote systems; generate output signals for local speakers...
US-7,899,946 Audio and USB multiplexing
An analog/digital switching circuit for connecting a primary electronic device to a peripheral electronic device, including D+ and D- signal lines connected to a...
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