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Searching: audio signal





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Patent # Description
US-7,706,468 Transmitter with forward error correction coding for hybrid AM in-band on-channel digital audio broadcasting...
A transmitter for broadcasting an AM compatible digital audio broadcasting signal includes an analog modulator for producing an analog modulated carrier signal...
US-7,705,912 Method for processing a digital video signal
A method of decoding audio data, encoded in multiple DIF blocks in a Digital Video (DV) data stream, and outputting said audio data as a PCM frame, includes...
US-7,702,941 Universal adaptive synchronization scheme for distributed audio-video capture on heterogeneous computing platforms
According to one embodiment of the present invention, a novel apparatus is disclosed. The apparatus includes an analog to digital converter to receive a...
US-7,702,514 Adjustment of scale factors in a perceptual audio coder based on cumulative total buffer space used and mean...
A method for audio encoding includes: analyzing an audio frame using a psychoacoustic model to obtain a corresponding masking curve and window information;...
US-7,702,408 Extending digital rights management and authentication to audio speakers
A system and method for playing audio material is described. The audio material is illustratively downloaded from a network, or from a storage media, each...
US-7,702,407 Method for generating encoded audio signal and method for processing audio signal
A method for generating an encoded audio signal, and a method for processing the same during the multi-channel C audio coding are disclosed. The present...
US-7,702,404 Digital audio processing
A method of processing a spectrally-encoded digital audio signal comprising band data components representing audio contributions in respective frequency bands...
US-7,702,403 Structure and method for selecting, controlling and sending internet-based or local digital audio to an AM/FM...
A system and method that allows digital audio files, either streaming or stored to be controlled and selected and provides an analog audio signal for broadcast...
US-7,702,219 Audio and/or video generation apparatus and method of generating audio and/or video signals
An audio and/or video generation apparatus comprises a recording processor which is operable to record audio and/or video signals on a recording medium, a meta...
US-7,702,117 Method for sound adjustment of a plurality of audio sources and adjusting device
The present invention relates to a method of adjusting the sound levels originating from several audio sources, within a television receiver. The audio...
US-7,702,116 Microphone bleed simulator
The invention is a microphone bleed simulator which processes the audio signals recorded with one spot microphone and one room mic (or one spot mic alone) and...
US-7,702,115 Method and apparatus to reconstruct high-frequency components of an audio signal
A method and apparatus to reconstruct high-frequency components of an input audio signal. The apparatus includes a frequency inverter to invert the frequency...
US-7,702,114 High efficiency audio transducer
A transducer (1) for producing sound in response to an electrical signal comprises an actuator (2) with a magnet (4) and a coil (5), and a vibration surface (3),...
US-7,702,111 Audio stereo processing method, device and system
The present invention relates to a method and a device for processing and reproducing an audio stereo signal. The method produces a left output signal for...
US-7,702,056 Time base corrector
A system and method for synchronizing a system clock in accordance with a program clock reference of a content data stream includes application of incremental...
US-7,702,039 Radio receiver for receiving digital radio signals and method for receiving digital radio signals
A radio receiver for receiving digital radio signals and a method for receiving digital radio signals are used for undertaking the conversion of digital audio...
US-7,701,926 Multipoint multimedia/audio conference using IP trunking
A multipoint communication system uses Internet protocol trunking to facilitate communication between media control units (for sending and receiving multipoint...
US-7,701,461 Method and apparatus for buffering graphics data in a graphics system
A graphics system including a custom graphics and audio processor produces exciting 2D and 3D graphics and surround sound. The system includes a graphics and...
US-7,701,294 Apparatus and method for negative boost audio amplifier
An audio amplifier with a negative DC/DC converter is provided. The audio amplifier receives VDD and VEE as power supply signals. The negative DC/DC converter is...
US-7,701,194 Methods and system for detecting DC output levels in an audio system
A system for detecting a direct current (DC) component of a pulse-width modulated (PWM) signal includes a modulator configured to provide at least one PWM signal...
US-7,701,186 Method and apparatus for reducing audio noise in a switching regulator
A switching regulator utilizing on/off control that reduces audio noise at light loads by adjusting the current limit of the switching regulator. In one...
US-7,700,867 Apparatus and method of playing back audio signal
An apparatus of playing back an audio signal includes storage means for dividing exercise tempos of a user into a plurality of groups and storing digital audio...
US-7,699,664 Multipurpose accessory for portable multimedia device
A multipurpose accessory having a multipurpose connection mechanism is provided. The multipurpose accessory of the present invention includes a case, a...
US-7,698,365 Multipoint processing unit
A system to provide a multipoint processing terminal and a multicast bridging terminal to provide mixing, switching, and other processing of media streams under...
US-7,698,008 Content-based audio comparisons
A content-based comparison of a plurality of digital audio signals can be performed by generating, for a portion of a corresponding channel, a first set of...
US-7,698,007 Editing apparatus of scene data for digital mixer
A digital mixer has a processor capable of executing a program to constitute an audio signal processing unit corresponding to various mixer configurations....
US-7,698,006 Apparatus and method for adapting audio signal according to user's preference
Apparatus and method for adapting audio signal according to user's preference. The apparatus and method allows the user to provide the best experience of digital...
US-7,697,947 Method of combining audio signals in a wireless communication device
A wireless communication device mixes audio content by combining audio signals from two or more different audio sources available at the wireless communication...
US-7,697,908 Duty-to-voltage amplifier, FM receiver and method for amplifying a peak of a multiplexed signal
A FM receiver comprises an IF filter, a demodulator and a decoder. The IF filter generates an RSSI and a FM modulated signal in response to a FM signal. The...
US-7,697,899 RFIC with on-chip acoustic transducer circuit
An RFIC includes a transmit acoustic transducer, a digital conversion module, a transmit baseband module, an analog conversion module, an up-conversion module, a...
US-7,697,891 Baby monitor system
A baby monitor system has a child unit with a child transducer that receives and converts incoming audio signals to an incoming analog signal. The child unit has...
US-7,697,825 DVD player with language learning function
A DVD player with language learning function using a general DVD as an audio source of language learning. The DVD player includes a DVD play unit for playing the...
US-7,697,704 Hearing aid with a current limiter
A hearing aid having a microphone for conversion of sound into an input audiosignal, a signal processor for processing the input audiosignal, a receiver for...
US-7,697,699 Method of and apparatus for reducing noise
An apparatus for reducing noise includes a comparator for generating a noise timing signal corresponding to a noise producing period of noise introduced from a...
US-7,697,696 Audio amplification apparatus with howling canceler
In an audio amplification apparatus connected to a microphone and a speaker, an audio amplification circuit amplifies an audio signal and inputs the amplified...
US-7,697,695 Stereophonic sound reproducing system and stereophonic sound reproducing apparatus
To provide a surround sound reproducing system capable of obtaining high realistic sensation even in the case where an integral surround speaker cannot be...
US-7,697,510 Communication terminal device and remote diagnostic method of the communication terminal device
A communication terminal device converts a sound in the communication terminal device into an audio frequency signal, converts the converted audio frequency...
US-7,696,824 Differential audio amplifier
A differential audio amplification apparatus with common mode rejection is shown, having a first input current path (401) and a second input current path (402)...
US-7,696,816 System and method for minimizing DC offset in outputs of audio power amplifiers
An amplifier system receives an input signal and generating therefrom an amplified output signal. The amplifier system is recited as comprising an input stage...
US-7,694,034 Data flow manager for device mobility
A system and method for transferring data flows, such as streaming video or audio signals, between end devices that are members of the same end device group is...
US-7,694,027 System and method for peripheral communication with an information handling system
Videoconferencing through an information handling system is supported with a display, camera and microphone that communicate with the information handling system...
US-7,693,965 Analyzing audio, including analyzing streaming audio signals
The presently claimed invention relates generally to analyzing audio signals including analyzing streaming audio signals. One claim recites a method including:...
US-7,693,846 Data management system and method for data synchronization
A data management system and method that collectively manages material data by synchronizing the material data stored in a material server with an OA server. The...
US-7,693,722 Simultaneous audio decoding apparatus for plural compressed audio streams
An audio decoding apparatus for decoding and reproducing a plurality of compressed audio streams simultaneously without sound interruption, even when the number...
US-7,693,721 Hybrid multi-channel/cue coding/decoding of audio signals
Part of the spectrum of two or more input signals is encoded using conventional coding techniques, while encoding the rest of the spectrum using binaural cue...
US-7,693,706 Method for generating encoded audio signal and method for processing audio signal
A method for generating an encoded audio signal, and a method for processing the same during the multi-channel audio coding are disclosed. The present invention...
US-7,693,288 Remote control system and related method and apparatus
The invention provides for an audio system 10 comprising an audio signal generating means (12) for output of an audio signal (24), and a remote control device...
US-7,692,726 Video decoder with integrated audio IF demodulation
An embodiment may include a method to convert a video signal with an analog to digital converter in a video decoder, convert an audio signal with the analog to...
US-7,692,724 Method and apparatus to synchronize audio and video
A method and an apparatus to synchronize an audio signal and a video signal. The method includes: displaying video on a screen that corresponds to an audio...
US-7,692,685 Speaker detection and tracking using audiovisual data
A system and method facilitating object tracking is provided. The invention includes an audio model that receives at least two audio input signals and a video...
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