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7403828 System and method for transmitting and distributing audio or video data over a network system having multiple receivers  
A system for transmitting and distributing audio or video information. The system includes a multi-channel input module and multiple receivers arranged along at least one chain of high speed serial...
7403626 Level adjustment apparatus  
Arrangements are made such that a plurality of operators, such as faders, can be set to opposite operational directions. When any one of the operators has been operated in a particular direction, a...
7394906 Device for automatically controlling audio volume based on vehicle speed and method for operating the same  
A device for automatically controlling audio volume based on vehicle speed and a method for operating the same keep the car audio volume at a uniform level relative to noise occurring at a level...
7391877 Spatial processor for enhanced performance in multi-talker speech displays  
Optimal head related transfer function spatial configurations designed to maximize speech intelligibility in multi-talker speech displays by spatially separating competing speech channels combined...
7391875 Peak-limiting mixer for multiple audio tracks  
A method for processing audio signal that includes receiving a plurality of digital audio signals and calculating signal levels of them. The next step is calculating smooth attenuation signal for...
7391871 Method and system for PCM audio ramp and decay function  
A method and system for pulse code modulation (PCM) audio ramp and decay function may comprise receiving at least one control signal which indicates whether to enable a ramp-up function or a decay...
7390960 Electronic signal processor  
An electronic signal processor for processing signals includes a complex first filter, one or more gain stages and a second filter. The first filter is characterized by a frequency response curve...
7371175 Method and system for enhanced audio communications in an interactive environment  
Enhanced audio communications is provided in an interactive environment, such as a gaming environment, having multiple participants. An input audio signal, such as a speech signal, that is...
7369906 Digital audio signal processing  
A digital audio processor comprises at least one digital audio sample mapping module and produces a sequence of output digital audio sample values by applying a quasi time-invariant transfer...
7349548 Electronic apparatus and control method thereof  
An electronic apparatus and method thereof include a plurality of sound input channels through which audio signals are input, a plurality of individual volume controllers to individually control...
7349547 Noise masking communications apparatus  
A communications headset with a movable microphone boom that extends to different distances from the mouth, where the movement of the boom operates electrical, mechanical or acoustic means to...
7343019 Streaming normalization  
A normalization for streaming digital audio signals applies a gain factor according to the maximum sample magnitude in a window of samples and compare the gain factor to prior gain factors to...
7340069 System and method for split automatic gain control  
A system and method for automatically controlling gain in a signal chain are presented. A first signal is processed to produce a processed signal. A gain is adjustably applied to the processed...
7339503 Adaptive asynchronous sample rate conversion  
A system including a buffer, a feedback loop configured to generate a fractional delay from a ratio of a first number of samples written into the buffer to a second number of samples read from the...
7337026 Digital audio volume control  
A serial interface has an input for receiving a digital audio signal and an output for serially outputting bits of the digital audio signal. A shift register includes a serial input connected to...
7336130 Attenuator, variable gain amplifier using the same, and electronic equipment  
An attenuator attenuates input signals and outputs the signals to an amplifier arranged to amplify signals applied to two input terminals. The attenuator includes first and second output terminals...
RE40054 Video-assisted audio signal processing system and method  
A circuit arrangement for controlling audio signal transmissions for a communications system that includes a microphone and a video camera. The arrangement comprises a video processor configured...
7330554 Volume control apparatus and method thereof  
A volume control apparatus and a method enable the volume of sound output from a sound output system to be adjusted in units of an increase/decrease interval set by a user, the volume control...
7330551 Apparatus and method for controlling input signal level  
Disclosed are an apparatus and a method for controlling an input signal level. The apparatus for controlling an input signal level according to the present invention includes: a memory for storing...
7319764 Method and apparatus for controlling volume  
Some embodiments of the invention provide a method for controlling the volume of an audio track. This method represents the volume of an audio track with a graph. This graph is defined along two...
7317800 Apparatus and method for processing an audio signal to compensate for the frequency response of loudspeakers  
A circuit for processing an input audio signal received at an input of the circuit provides a processed audio signal at a circuit output. The circuit includes first and second conductive paths...
7315625 Sound apparatus, method of changing sound characteristics, and data recording medium on which a sound correction program  
This invention is a sound apparatus having a plurality of different kinds of speakers and that independently performs correction of the sound signal for each speaker to obtain optimum sound and...
7305346 Audio processing method and audio processing apparatus  
A volume adjustment unit reduces the volume of audio data. By coding the audio data where the volume is reduced in advance, the possibility of being decoded in a manner of exceeding the maximum bit...
7298855 Volume circuit using resistive ladder circuits  
A volume circuit contains resistive ladder circuits, from which a desired fractional voltage output (Vs) is extracted and supplied to an amplifier to provide an output voltage (Vout). The resistive...
7298852 Dynamic power sharing in a multi-channel sound system  
A signal processing system for use in a multichannel audio system. The signal processing system includes a first channel having a first audio signal. A second channel is included that has at least...
7283879 Dynamic normalization of sound reproduction  
A method for generating an audio output from an audio amplifier, the method consisting of receiving a segment of an input audio data stream into a buffer, identifying an adjustment interval in the...
7278101 Controlling audio volume in processor-based systems  
A processor-based system may control the volume level of information played by said processor-based system. The system may allow the user to set one or more preset audio volume levels and the...
7272235 Method and apparatus for audio normalization  
A request is received to play an audio file. A determination is made regarding whether volume normalization parameters associated with the audio file are stored in a media library. If the volume...
7269264 Method for reproducing audio signal from at least two different sources  
A method for reproducing audio signals of at least two different sources, a first volume for reproducing audio signals of a first source being able to be preselected, in which, during simultaneous...
7251337 Volume control in movie theaters  
A motion picture soundtrack reproduction system has a center front soundtrack channel and a plurality of other soundtrack channels. A volume control adjusts the gain of all the channels. The volume...
7248709 Dynamic volume control  
In accordance with one aspect of the dynamic volume control, an indication that a user desires to input oral data to a system through one or more microphones of the system is received. In response...
7242784 Dynamic gain control of audio in a communication device  
A method for dynamically controlling audio signal gain in a communication device starts with determining a level of an input audio signal. The level is then mapped against a table of predetermined...
7242783 Audio limiting circuit  
An audio limiting circuit capable of satisfying frequency dependent limits and time domain constraints, is disclosed. In one illustrative embodiment, an input node receives an unattenuated input...
7228271 Telephone apparatus  
The telephone apparatus of the present invention comprises a first voice band expander for generating a voiced signal frequency component by shifting the frequency of the voice signal received, a...
7224981 Speech recognition of mobile devices  
Speech recognition in mobile processor-based devices may be improved by using location information. Location information may be derived from on-board hardware or from information provided remotely....
7216221 Method and system for unified audio control on a personal computer  
A system and method for improved audio controls on a personal computer is provided. The system and method provide a unified architecture for audio controls across hardware and software interfaces...
7215262 Digital signal processing apparatus and digital signal processing method  
The present invention provides a digital signal processing apparatus which can perform batch processing of mixing and gain controlling, etc., one time while the frequency characteristics of...
7203325 Audio processing device  
An audio processing device for processing an audio input signal comprises one or more noise reducing means, noise level measuring means and control means connected to the noise level measuring...
7200239 Acoustic apparatus having balance adjustment  
In an acoustic apparatus, one or more front and rear speakers are provided in a space such as a car compartment. The volume levels of the audio signals output from the speakers are controlled by...
7194096 Method and apparatus for adaptively pre-shaping audio signal to accommodate loudspeaker characteristics  
An input audio signal is analyzed to determine a power spectral density profile and the power spectral density profile is compared with at least one template profile. On the basis of the...
7190292 Input level adjust system and method  
A method of matching input amplitudes in a system wherein one or more of a plurality of inputs may be selected, with each input capable of having different characteristics, involving selecting an...
7187774 Mute switch  
A mute switch including a field effect transistor receiving a mute control signal at its gate for selectively supplying an audio signal from an input node to an output node. A bipolar transistor is...
7181021 Apparatus for acoustically improving an environment  
The invention provides an apparatus and related method for acoustically improving an environment. In an embodiment of the present invention, an electronic sound screening system includes a portion...
7177432 Sound processing system with degraded signal optimization  
A sound processing system adaptively mixes active matrix decoding and passive matrix processing of incoming audio signals. Mixed output signals are generated with active matrix decoding where the...
7164774 Amplifier with limiter  
A sound volume set-point value set by the variable resistor 1 is converted into a sound volume set-point value signal by a sound volume set-point value detecting section. A control signal...
7142678 Dynamic volume control  
In accordance with one aspect of the dynamic volume control, an indication that a user desires to input oral data to a system through one or more microphones of the system is received. In response...
7139403 Hearing aid with digital compression recapture  
Systems, devices, and methods are provided to inhibit apparent amplitude modulation in non-linear processing that causes distortion in a processed signal. One aspect of the invention includes a...
7123729 Dual use of an integrated circuit pin and the switching of signals at said pin  
In a signal processing system with an IC having an intrinsic signal provided at a pin of the IC, a first operational function (de-emphasis) for the signal is provided at the pin, and further along...
7113604 Apparatus and method for matching the response of microphones in magnitude and phase  
An apparatus is provided for matching the response of a pair of microphones. The two microphones provide a first and second output, respectively, in response to an audible input. The microphone...
7110559 System and method for controlling audio output  
The invention concerns a method ( 300 ) and system ( 100 ) for controlling audio output. The method includes the steps of inputting ( 312 ) an audio signal and a voltage level signal, measuring (...
Matches 1 - 50 out of 362 1 2 3 4 5 6 7 8 >