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7624259 |
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...
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7617109 |
Method for correcting metadata affecting the playback loudness and dynamic range of audio information
A coded signal conveys encoded audio information and metadata that may be used to control the loudness and dynamic range of the audio information during its playback. If the values for these...
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7613312 |
Audio processing apparatus for implementing level corrections of audio data
A audio processing apparatus capable of judging and correcting volume levels of audio data, with a level judgment thinning controller for thinning the frequency of the level judgments provided...
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7609840 |
System and method for hierarchical audio conflict control
A control system and associated method resolving audio conflicts. The control system comprises a computing device, a memory device comprising a database, and a plurality of audio sources. The...
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7606376 |
Automotive audio controller with vibration sensor
An automotive audio controller is provided for receiving an audio signal from an audio source and providing a filtered audio signal that may help compensate for ambient noise in the automobile. The...
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7599503 |
Audio output level setting method and device
In a device equipped with an audio output, a range of the audio output level in regular use is set. When an attempt is made to change the setting to a volume level exceeding the range of the audio...
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7598895 |
System and method of altering a PWM carrier power spectrum
In a particular embodiment, a circuit device includes an input to receive a pulse-width modulated (PWM) signal and an output to send a modulated PWM signal. The circuit device further includes a...
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7583809 |
Sound signal processing device and sound signal processing method
In a sound signal processing device, the level of an output signal is controlled as a function of the level of the corresponding input signal by supplying the output signal, whose level is...
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7577263 |
System for audio signal processing
A sound reproduction system comprising a digital audio signal input ( 1 ), a digital audio signal processor ( 2 , DSP) and a digital audio signal output ( 3 ) wherein the digital signal processor (...
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7574010 |
System and method for adjusting an audio signal
Disclosed is a system and method of adjusting an audio signal for a communication device. The method comprises: identifying a characteristic associated with the signal and identifying its quality...
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7567679 |
System and method for controlling sound volume
A system for controlling volume includes: a key input unit ( 1 ) for receiving user operations, and generating a corresponding controlling signal according to each operation; an MCU...
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7555132 |
Apparatus and method for adjusting sound volume for televisions and other audio systems
An apparatus ( 10 ) for adjusting sound volume for an audio system includes a controller ( 101 ) connected to an amplifier ( 40 ) of the audio system for controlling amplification of the amplifier,...
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7551745 |
Volume and compression control in movie theaters
A single control determines both volume and the degree of compression in the reproduction of motion picture soundtracks. For some settings of the control, compression or limiting reduces the...
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7551744 |
Display showing waveform of an audio signal and corresponding dynamic volume adjustments
A DSP (digital signal processor) processor having a gain reduction function processes an audio input signal to produce a current audio meter value, and a current gain reduction value. A logic...
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7539317 |
Drive apparatus for volume control devices
A drive apparatus for volume control devices is provided for setting, promptly and exactly, the position of a control device such as a fader to its standard position. A first volume control device...
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7532730 |
Audio dynamics processing control system
An improved dynamics processing control system clamps a level detected control signal at a level equal to a predefined threshold point. In one embodiment, a clamped level detected signal feeds a...
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7519443 |
Information signal reproducing apparatus
An information signal reproducing apparatus which is capable of forming a suitable reproducing environment and building an easy-handling reproducing system regardless of differences such as signal...
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7519442 |
Process for adjusting the sound volume of a digital sound recording
The present invention relates to a process for adjusting the sound volume of a digital sound recording characterised in that it comprises:
a step consisting of determining, in absolute...
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7519188 |
Electroacoustical transducing
Audio electrical signals are controlled to be provided to a plurality of electroacoustical transducers of an array to achieve directivity and acoustic volume characteristics that are varied with...
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7505824 |
Audio signal processing apparatus and audio signal processing method
An audio signal processing apparatus and method in which power supplied to a power amplifier is controlled in a wide range from a small output power level to a large output power level in...
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7502480 |
System and method for implementing a flat audio volume control model
A system and method for implementing a flat volume model for software application audio signals is provided. A computer system generates a flat volume characteristics tree based upon current...
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7489790 |
Digital automatic gain control
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...
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7471797 |
Networked sound masking system with centralized sound masking generation
A sound masking system for shaping the ambient noise level in a physical environment. The sound masking system comprises a networked and distributed system having a number of master units coupled...
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7469208 |
Method and apparatus for automatically normalizing a perceived volume level in a digitally encoded file
Automatically normalizing a perceived loudness for a digitally encoded audio track formed of a number of channels during playback on a multimedia asset player is described. A number of auditory...
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7469051 |
Method and apparatus for maintaining audio level preferences in a communication device
An intelligent automatic volume control technique ( 100 ) for a communication device is provided that takes a measurement of the background audio environment at the time a user manually selects the...
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7467020 |
Method for gradually adjusting the volume level of a digital signal within a predefined time using a volume control circuit
According to the claimed invention, a DSP is disclosed. The DSP comprises a processing unit for processing the data stream, a first memory coupled to the processing unit for storing a destination...
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7460674 |
Audio effector circuit
An audio effector circuit includes a first automatic level control circuit for processing an input audio signal into a first control-resultant audio signal, and a second automatic level control...
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7457424 |
Electronic volume device and remote controller thereof
An electronic volume device of an invention includes a common volume I/O 371 for receiving an i-th common volume level Dcom[i] (i=1 to N) on a common scale of N steps, a volume converter 373 ...
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7440577 |
Methods and apparatus for automatic mixing of audio signals
Methods and apparatus for automatically mixing a plurality of audio channels by adjusting respective gains of the audio channels using a control signal based on an aggregate of input levels of...
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7430296 |
Circuit arrangement for reducing the dynamic range of audio signals
An audio system includes a first transformation device provided with an input audio signal and which transforms the input audio signal from the time domain to the frequency domain resulting in an...
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7428310 |
Audio output adjusting device of home theater system and method thereof
A home theater system, an audio output adjusting device of a home theater system and methods thereof allow a prescribed or three-dimension audio configuration state for at least one prescribed...
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7424120 |
Method and apparatus for volume control
A method and apparatus for generating and controlling volume of a speaker of an appliance is disclosed. The appliance includes an IC chip connected to an amplifier subsystem. The IC chip includes a...
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7424118 |
Moving object equipped with ultra-directional speaker
A moving object 1 equipped with ultra-directional speaker is provided with an emitter 44 for measuring a distance to a target 11 to which it is to provide a voice by using an ultrasonic...
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7415119 |
Method for hierarchical audio conflict control
A control system and associated method resolving audio conflicts. The control system comprises a computing device, a memory device comprising a database, and a plurality of audio sources. The...
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7409067 |
Method and apparatus for adjusting frequency characteristic of signal
In a frequency characteristic adjustment apparatus incorporated in an audio system, a frequency characteristic of an audio signal is made to agree with a target frequency characteristic, thus...
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7409066 |
Method of adjusting filter parameters and an associated playback system
To improve upon a method of adjusting at least one filter parameter such as the mid-frequency of at least one filter unit provided with a playback system for audio signals, this filter unit being...
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7406178 |
Efficient digital audio automatic gain control
The present invention is a digital dynamic compression or automatic gain control (AGC) ( 10 ) adapted for use in high quality audio and hearing aids applications. An efficient digital AGC design...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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