Quotables
"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 8189813 | Audio system and method for effectively reproducing sound in accordance with the distance between a source and a position where the sound is heard in virtual space In a sound processing apparatus, a storage unit stores, for example, a distance range in which sound uttered from a sound source is varied as information showing an area associated with the sound source. A determination unit determines the distance between the sound... | 05/29/2012 |
| 8155349 | Muting control device, muting control method, and muting control program When controlling the audio signal to the mute mode from an unmute mode, first, the muting circuit switches from the non-attenuating state to the attenuating state to cause the muting circuit to attenuate the audio signal by the predetermined amount of attenuation, a... | 04/10/2012 |
| 8144897 | Adjusting acoustic speaker output based on an estimated degree of seal of an ear about a speaker port A degree of seal of an ear about a speaker port may be estimated by detecting touch contact between the ear and at least one touch sensor in fixed relation to the speaker port. The degree of seal is estimated based on the detected touch contact. Based upon the estim... | 03/27/2012 |
| 8130980 | Automatic gain control circuit for volume control and corresponding method for volume control There is provided an automatic gain control circuit for volume control receiving at least one audio signal input via either a wired connection or a wireless connection. The circuit includes an output signal regulator receiving a first portion of the at least one aud... | 03/06/2012 |
| 8116485 | Adaptive gain control system An automatic gain control system maintains desired signal content level, such as voice, in an output signal. The system includes automatic gain control over an input signal, and compensates the output signal based on input signal content. When the input signal level... | 02/14/2012 |
| 8111841 | Audio input/output device and method for switching input/output functions Using a 4-pin audio jack, 3-pin signal interfaces including the ground interface are assigned with conventionally used earphone/microphone functions (one microphone input and one speaker output), while the other interface corresponding to the fourth pin is assigned ... | 02/07/2012 |
| 8107643 | Apparatus and method of automatically compensating an audio volume in response to channel change An apparatus and method of automatically compensating audio volume in response to a channel change. The method includes generating a gain value to adjust a level of an input audio signal by comparing an average level of the input audio signal with a predetermined in... | 01/31/2012 |
| RE43132 | Volume control for audio signals 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 control has a range of settings from a minimum to a maximum, the gai... | 01/24/2012 |
| 8090122 | Audio mixing using magnitude equalization According to one embodiment, during mixing of an N-channel input signal to generate an M-channel output signal, in at least one frequency sub-band, magnitude equalization is applied to the mixed channel signals such that an amplitude sum magnitude for the N input ch... | 01/03/2012 |
| 8059834 | Automatic gain control circuit A controller 100 updates data LVLm indicative of a level section of an input audio signal and controls a reference level Vr based on a signal CMP representative of a comparison result between the input audio signal and the reference level Vr, and further, con... | 11/15/2011 |
| 8054994 | 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 normalization parameters associated with the audio file are stored in t... | 11/08/2011 |
| 8019094 | Audio processing system with function of automatic gain control and method thereof The present invention relates to an audio processing system with function of automatic gain control and method thereof. The method includes steps of: receiving a playing command to play an audio file; reading a genre type of the audio file from a tag of the audio fi... | 09/13/2011 |
| 8019095 | Loudness modification of multichannel audio signals Scaling, by a desired amount sm, the overall perceived loudness Lm of a multichannel audio signal, wherein perceived loudness is a nonlinear function of signal power P, by scaling the perceived loudness of each individual channel Lc ... | 09/13/2011 |
| 8009842 | 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 hearing aid. The hearing aid includes a microphone to receive an input s... | 08/30/2011 |
| 7995775 | Automatic volume control for audio signals A technique is provided for automatically adjusting the volume, or magnitude, of an audio signal. The technique includes calculating an average power associated with a segment of an input audio signal, determining whether the average power is greater than an estimat... | 08/09/2011 |
| 7983430 | System for hierarchical audio conflict control A control system comprising a computing device, a memory device comprising a database, and a plurality of audio sources. The memory device is coupled to the computing device. The database comprises input data. The computing device is adapted to control an audio leve... | 07/19/2011 |
| 7974421 | Audio signal processing method and related device An audio signal processing method includes: controlling the volume of a digital audio signal according to a latest value of an adaptive gain value which is adjustable; detecting whether data carried by the digital audio signal satisfies a specific criterion and util... | 07/05/2011 |
| 7925032 | Method of controlling volume of reproducing apparatus and reproducing apparatus using the same The present invention relates to a method of controlling a volume of a reproducing apparatus and a reproducing apparatus using the same, wherein a reproduction volume of an audio file can be automatically controlled in accordance with information on a volume level o... | 04/12/2011 |
| 7848531 | Method and apparatus for audio loudness and dynamics matching The overall loudness of an audio track is calculated by combining a number of weighted loudness measures for segments of the audio track, where the weight applied to each individual loudness measure is a function of the loudness measure. By comparing the original ov... | 12/07/2010 |
| 7840015 | Thermal feedback for switch mode amplification A thermal sensor at the output of a switching amplifier senses heat dissipation at the output switch. If an overheating condition is sensed, gain of the digital input signal is lowered to reduce output power of the audio output signal. ... | 11/23/2010 |
| 7787641 | Sound reproducing system for use with multiple rooms A sound reproducing system for use with multiple rooms includes a main control unit, and at least one secondary control unit. Thus, the respective automatic level control circuit maintains the voice signal output at a constant level, the respective power amplificati... | 08/31/2010 |
| 7756280 | Audio processing system and method for automatically adjusting volume The present invention relates to an audio processing system and method for automatically adjusting volume. The method includes steps of: calculating a noise level as a reference noise level; periodically calculating a new noise level of a predetermined time period, ... | 07/13/2010 |
| 7747028 | Apparatus and method for improving voice clarity In an apparatus for improving voice clarity by controlling a gain of a voice based on a sound pressure level of the voice and a sound pressure level of noise, it is determined whether a sound pressure level of a gain-controlled voice exceeds a maximum allowable leve... | 06/29/2010 |
| 7720238 | Video-audio output device and video/audio method According to one embodiment, a video/audio output method according to one embodiment includes detecting a playback volume value set in an external speaker controller for controlling an external speaker, calculating a decibel value corresponding to the detected playb... | 05/18/2010 |
| 7715574 | Audio apparatus for vessel An apparatus (12) which overcomes the foregoing inconveniences of manually adjusting the audio device (10) volume related to a vessels speed and participants distance behind the vessel in a towable activity. This apparatus (12) controls audio vo... | 05/11/2010 |
| 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 memory device is coupled to the computing device. The database comprises i... | 10/27/2009 |
| 7606378 | Radio distortion processing A method for audio distortion processing is provided, whereby narrowband and wideband gains are incrementally reduced and recovered for controlling audio distortion of an audio reproduction system. Reduction limits are determined for both the narrowband and wideband... | 10/20/2009 |
| 7599504 | Apparatus and method for adjusting sound volume for televisions and other audio systems An apparatus for adjusting sound volume for an audio system includes a controller (101) connected to an amplifier (40) of the audio system, an audio processor (104), a circuit (102) for adjusting sound volume, and a communication port ( | 10/06/2009 |
| 7596232 | 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, and a first circuit (102) for adjusting the so... | 09/29/2009 |
| 7526095 | Audio volume control for computer systems A computer system includes an audio chip to generate audio signals at a target volume level to be emitted as audio output by speakers. Also included in the computer system may be a volume control routine to limit the overall volume level of the system. A maximum vol... | 04/28/2009 |
| 7466832 | Seatback audio controller A vehicle seatback audio controller includes an entertainment interface that receives an entertainment audio signal from entertainment audio source, and a telematics interface that receives a telematics audio signal from a telematics audio source. The controller has... | 12/16/2008 |
| 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 respective audio signals of the audio channels; and reducing the gain of ... | 10/21/2008 |
| 7433476 | Automatic gain control In an automatic gain control unit, the gain of a voltage-controlled amplifier (VCA) (25) is regulated with a closed-loop control circuit. The time constant of the control circuit is varied dependent on the magnitude (31) of the VCA output signal. As lo... | 10/07/2008 |
| 7430004 | Volume control linked with zoom control Digital cameras and methods wherein volume control is linked with zoom control. The present invention captures audio along with recorded images at different zoom settings, and upon playback adjusts the sound output volume (audio apparatus gain) based upon the zoom c... | 09/30/2008 |
| 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 input spectrum. The system also includes a spectral processing device,... | 09/30/2008 |
| 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 position even when the prescribed location and/or a configuration of the ... | 09/23/2008 |
| 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 square-wave audio signal generator, a counter, a register, a compara... | 09/09/2008 |
| 7418304 | Apparatus and method for adjusting output level of audio data to be reproduced An apparatus and method for adjusting the output level of audio data to be reproduced can adjust any one of audio files of different types to a consistent or reference level prior to amplifying at a desired level (e.g., user selected volume). Therefore, digital audi... | 08/26/2008 |
| 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 memory device is coupled to the computing device. The database comprises i... | 08/19/2008 |
| 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 providing an equalizing function. In the apparatus, by a frequency charact... | 08/05/2008 |
