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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7864963 | Effect imparting apparatus for controlling two-dimensional sound image localization Multi-channel audio signals arranged to achieve original two-dimensional sound image localization are input, and the audio signal of each channel, included in the input multi-channel audio signals, is distributed to individual output channels. Each of the distribute... | 01/04/2011 |
| 7437299 | Coding of stereo signals A method of encoding a multichannel signal, such as a stereophonic audio signal, including at least first and second signal components includes transforming at least the first and second signal components by a predetermined transformation into a principal signal inc... | 10/14/2008 |
| 7394903 | Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal The apparatus for constructing a multi-channel output signal using an input signal and parametric side information, the input signal including the first input channel and the second input channel derived from an original multi-channel signal, and the parametric side... | 07/01/2008 |
| 7391869 | Base management systems Sound processing systems have been developed that create a surround effect without quality degradation experienced by known sound processing systems in non-optimum listening environments. The sound processing systems may include matrix decoding systems that manipula... | 06/24/2008 |
| 7382885 | Multi-channel audio reproduction apparatus and method for loudspeaker sound reproduction using position adjustable virtual sound images A multi-channel audio reproduction apparatus and method for loudspeaker reproduction using virtual sound images whose positions can be adjusted is provided. The multi-channel audio reproduction apparatus includes a virtual sound image forming unit for compensating f... | 06/03/2008 |
| 7356152 | Method for expanding an audio mix to fill all available output channels Audio sources in typical computer systems provide different numbers of channels of audio signals to a mixing component of the operating system. This conventional arrangement usually prevents the audio signals from all sources from being played back through all outpu... | 04/08/2008 |
| 7330552 | Multiple positional channels from a conventional stereo signal pair A method and system accept left and right channel inputs of audio data and provide output audio data for at least three channels in a fashion that may effect a facsimile of the original soundstage on which the left and right inputs were recorded. ... | 02/12/2008 |
| 7312718 | Multifunction control system A control system for a vehicle with a plurality of selectively variable characteristics includes a first button depressible to cause a first mode of operation and a second button depressible to cause a second mode of operation. In the first mode of operation, a rota... | 12/25/2007 |
| 7305097 | Controlling fading and surround signal level Systems and techniques for controlling a surround sound system having multiple input signals and multiple spatially diverse transducers may include defining a first control region and a second control region. When operating in the first control region, a first set o... | 12/04/2007 |
| 7281774 | Object supporting unit As an arrangement to reduce an operational force to draw the drawer 3 forward from the drawer storage position 2, wherein at least a rear end side of a drawer 3 is supported in a drawer storage portion 2 in a manner movable along back and... | 10/16/2007 |
| 7280664 | Method for apparatus for audio matrix decoding A method derives at least three audio signals, each associated with a direction, from two input audio signals. In response to the two input signals, a passive matrix generates a plurality of passive matrix audio signals, including two pairs of passive matrix audio s... | 10/09/2007 |
| 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 control has a range of settings from a minimum to a maximum, the gai... | 07/31/2007 |
| 7200236 | Multi-channel audio enhancement system for use in recording playback and methods for providing same An audio enhancement system and method for use receives a group of multi-channel audio signals and provides a simulated surround sound environment through playback of only two output signals. The multi-channel audio signals comprise a pair of front signals intended ... | 04/03/2007 |
| 7184238 | Track impedance anomaly detection in an automated data storage library Track anomalies are detected by measuring track impedance. A robotic device is moved along the track. A conductor on the track is contacted with a pair of pickups moved by the robotic device. Track health is determined based on impedance sensed between the pickups. | 02/27/2007 |
| 7184558 | Volume controller A volume controller for controlling volume balance between a front speaker and a rear speaker located within a vehicle, includes a fade volume computing unit for computing an amplifying factor k1 of an input signal for providing an increased volume at the rea... | 02/27/2007 |
| 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 audio signals are stereo. Mixed output signals are generated with pass... | 02/13/2007 |
| 7158642 | Method and apparatus for producing a phantom three-dimensional sound space with recorded sound A central speaker and personal headset speakers are used to create a three-dimensional phantom sound space for each listener. The speakers of the headset are located in close proximity to, but do not isolate, the ears of the listener such that external sounds are al... | 01/02/2007 |
| 7149313 | Audio signal processing A method and apparatus for processing multi-channel audio signals in which the channels are processed by one of alternatively selectable processes to produce an alternatively selectable number of output channels, the process being responsive to information contained... | 12/12/2006 |
| 7146010 | Two methods and two devices for processing an input audio stereo signal, and an audio stereo signal reproduction system The present invention relates to methods and devices for processing one or the other of two types of common input audio stereo signals so that the output signals will reproduce normally wide stereo sound from an audio stereo reproduction system comprising a pair of ... | 12/05/2006 |
| 7092542 | Cinema audio processing system In a multi viewer environment where multiple viewers simultaneously experience an audio-visual production, with the visual production occurring on a display surface, a method of increasing the perceived reality of the audio stream of the production, the method compr... | 08/15/2006 |
| 7085387 | Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources A sound system for capturing and reproducing sounds produced by a plurality of sound sources. The system comprises a device for receiving sounds produced by the plurality of sound sources and converting the separately received sounds to a plurality of separate audio... | 08/01/2006 |
| 7065222 | Facilitation of clear presentation in audio user interface An audio user interface is provided in which items are represented in an audio field by corresponding synthesized sound sources from where sounds related to the items appear to emanate. At least some of the sound sources are associated in a collection as members of ... | 06/20/2006 |
| 7010128 | Method of processing and reproducing an audio stereo signal and an audio stereo signal reproduction system A method of processing and reproducing an input audio stereo signal in an audio signal processing system comprises the steps of (1) splitting a side signal into a first and a second intermediate signal, where the first intermediate signal is equal to the side signal... | 03/07/2006 |
| 7003467 | Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio The present invention provides a method of decoding two-channel matrix encoded audio to reconstruct multichannel audio that more closely approximates a discrete surround-sound presentation. This is accomplished by subband filtering the two-channel matrix encoded aud... | 02/21/2006 |
| 6934394 | Universal four-channel surround sound speaker system for multimedia computer audio sub-systems A universal four-channel multimedia computer speaker system is connectable to audio sub-system control circuits (e.g., “sound cards”) of both the four-channel type and the conventional two-channel (stereo) type. With the audio sub-system control circuit being of... | 08/23/2005 |
| 6920223 | Method for deriving at least three audio signals from two input audio signals Various equivalent adaptive audio matrix arrangements are disclosed, each of which includes a feedback-derived control system that automatically causes the cancellation of undesired matrix crosstalk components in the matrix output. Each adaptive audio matrix arrange... | 07/19/2005 |
| 6665407 | Three channel panning system A technique for panning over four speakers utilizes an internal three-channel representation (Left, Right, W) where all channel weights are positive. The three channels are combined by a decoder to drive pairs of front and back speakers.... | 12/16/2003 |
| 6658117 | Sound field effect control apparatus and method A sound field effect control apparatus and and a sound field effect control method are provided, which are capable of enabling a listener to listen to reflected sounds close to initial reflected sounds generated in an actual acoustic space, by utilizing i... | 12/02/2003 |
| 6608903 | Sound field reproducing method and apparatus for the same A space surrounding a sound source (S) which is set in a sound field (10) to be reproduced is divided into sound source element regions (S1 to Sn), and a space surrounding a sound receiving point (R) is divided into sound receiving element regions (R1 to ... | 08/19/2003 |
| 6540613 | Video game apparatus, background sound output setting method in video game, and computer-readable recording medium storing background sound output setting program A video game apparatus in which a specified event is executed in a game space displayed on a monitor, and a plurality of background sounds having different attributes are outputted at a specified output ratio from a plurality of sound output units spaced ... | 04/01/2003 |
| 6430293 | Recording and play-back two-channel system for providing a holophonic reproduction of sounds A two-channel sound recording and play-back system for providing a holophonic reproduction or play-back of sounds is herein disclosed. The two-channel recording system comprises cables and electronic apparatus for providing a stereophonic type of recordin... | 08/06/2002 |
| 6421447 | Method of generating surround sound with channels processing separately A method of generating surround sound with channels processing separately includes steps of transmitting left and right channel signals separately to a first multiple frequency phase shift processor, a pre-set equalizer and a second multiple frequency pha... | 07/16/2002 |
| 6252965 | Multichannel spectral mapping audio apparatus and method A method and circuit for deriving a set of multichannel audio signals from a conventional monaural or stereo audio signal uses an auxiliary multichannel spectral mapping data stream. Audio can be played back in stereo and multichannel formats from a conve... | 06/26/2001 |
| 6236730 | Full sound enhancement using multi-input sound signals Input sound signals are accepted for presentation to a plurality of speakers where the number of physically present speakers is less than the number of input sound signals. The accepted signals are expanded and summed in a manner such that a listener perc... | 05/22/2001 |
| 6198826 | Qsound surround synthesis from stereo The inventive mechanism produces multiple output signals from a two-channel stereo input signal. The mechanism produces a first pair of output signals which retain the monaural information in the stereo input signal. The first pair of signals each compris... | 03/06/2001 |
| 6195435 | Method and system for channel balancing and room tuning for a multichannel audio surround sound speaker system A system and method for providing channel balancing and room tuning for a multi-channel audio surround sound speaker system passes source audio to automatically configured multi-channel compensation filters to provide equalization on a per channel basis f... | 02/27/2001 |
| 6038324 | Automotive surround sound circuit background of the invention A surround sound converter for home audio systems includes outputs for a left front speaker, a right front speaker, a left rear speaker, a right rear speaker, and an auxiliary output to accommodate a rear auxiliary amplifier. The surround sound converter ... | 03/14/2000 |
| 5930733 | Stereophonic image enhancement devices and methods using lookup tables A stereophonic image may be enhanced by splitting the left and right input audio signals into a plurality of left and right output signals in a plurality of audio frequency bands and then generating left and right output audio signals from the left and ri... | 07/27/1999 |
| 5818941 | Configurable cinema sound system A digital surround sound decoder. The decoder uses an architecture including two signal processing chips to achieve a program that can decode audio data at sufficiently high resolution. The decoder performs in real time and is compatible with standard sur... | 10/06/1998 |
| 5802181 | Theater sound system with upper surround channels An improved theater surround sound system incorporates a screen top speaker and an overhead speaker driven by corresponding upper surround channels to more accurately reproduce sounds produced from above the listener. These top surround channels are encod... | 09/01/1998 |
