Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8170221 | Audio enhancement system and method An audio enhancement system for compensating for ambient noise in a listening environment, comprises an audio system that produces an electrical sound signal and generates a sound output from the electrical sound signal. A sensor (e.g., a microphone) senses a total ... | 05/01/2012 |
| 8155328 | Sound reproducing apparatus An sound reproducing apparatus is configured such that a correction amount is calculated on the basis of a masking model, determiner for determining a correction parameter correcting input signal so as to be natural for human ears to hear on the basis of the calcula... | 04/10/2012 |
| 8155329 | Method for monitoring outside sound through a closed window and device therefor A device for monitoring outside sound through a closed window includes a housing positioned inside the window. The housing contains a filter, a squelch circuit, an amplifier, and a speaker. A microphone is positioned outside the window and connected to the housing. ... | 04/10/2012 |
| 8155330 | Dynamic audio parameter adjustment using touch sensing An audio communications device has a handset in which a touch sensing ear piece region is coupled to an acoustic leakage analyzer. The acoustic leakage analyzer is to analyze signals from the touch sensing ear piece region and on that basis adjust an audio processin... | 04/10/2012 |
| 8150044 | Method and device configured for sound signature detection Methods for personalized listening which can be used with an earpiece are provided. A method includes capturing ambient sound from an Ambient Sound Microphone (ASM) of an earpiece partially or fully occluded in an ear canal, monitoring the ambient sound for a target... | 04/03/2012 |
| 8150045 | Automatic gain control system applied to an audio signal as a function of ambient noise An automatic gain control system applied to a audio signal as a function of the ambient noise, the system comprising: an ambient noise estimator module suitable for establishing a current noise value estimated at least from a signal provided by a microphone; and an ... | 04/03/2012 |
| 8144882 | Sound tuning method The invention relates to a method for automated tuning of a sound system, the sound system comprising delay lines, equalizing filters, and at least two loudspeakers, the method comprising the steps of reproducing a useful sound signal through the loudspeakers, measu... | 03/27/2012 |
| 8139777 | System for comfort noise injection A noise injection system adds comfort noise to an audio signal. The system includes a background noise estimator that determines a spectral content of a background noise associated with the audio signal. A comfort noise generator generates a comfort noise signal hav... | 03/20/2012 |
| 8116464 | Method for volume adaptation, mobile electronic device and computer program product using the method thereof A method for volume adaptation, a mobile electronic device and a computer program product are disclosed. According to the method for volume adaptation, a sound producing function is started. At intervals, a present first environmental noise is sampled, a present set... | 02/14/2012 |
| 8103007 | System and method of detecting speech intelligibility of audio announcement systems in noisy and reverberant spaces A system and method to detect and remediate unacceptable levels of speech intelligibility evaluates received test audio transmitted across and received in a space or region of interest. Intelligibility is improved by altering the rate, pitch, amplitude and frequency... | 01/24/2012 |
| 8103008 | Loudness-based compensation for background noise Loudness-based compensation systems and techniques are described which provide audio compensation in noisy environments. Loudness approximations are determined for an audio block both by itself and in the presence of background noise. These approximations utilize co... | 01/24/2012 |
| 8098833 | System and method for dynamic modification of speech intelligibility scoring A system and method to detect and measure remediated speech intelligibility by evaluating received test audio transmitted across and received in a space or region of interest. Remediation of the test audio may include altering the rate, pitch, amplitude and frequenc... | 01/17/2012 |
| 8085941 | System and method for dynamic sound delivery A dynamic range manipulation system, for use for example in an audio playback system such as a two-way communication system, mobile telephone, MP3 player, and the like, obtains a measure of ambient noise at the playback location and adjusts the gain of the drive sig... | 12/27/2011 |
| 8081765 | Volume adjusting system and method The invention discloses a volume adjusting system and a volume adjusting method. The volume adjusting system includes a volume receiving module, a volume auto-adjusting module, and a volume output module. The volume receiving module is configured for receiving an ex... | 12/20/2011 |
| 8045721 | Dynamic distortion elimination for output audio A method (200) for improving quality of output audio (126). The method can include detecting an output acoustic signal (128) and generating a receive audio signal (134) based, at least in part, on the detected output acoustic signal. A fr... | 10/25/2011 |
| 8036391 | Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels The automatic adjustment of audio alert characteristics of an alert device using ambient noise levels is described. In one aspect of the invention, a machine-readable medium has executable instructions to cause a machine to perform a method to receive an audio sampl... | 10/11/2011 |
| 8005231 | Ambient noise sound level compensation A system includes a variable amplifier, a source sound processor, an area sound processor, and an adjustment circuit. The variable amplifier adjusts an audio input signal to generate an audio output signal with an appropriate level so that the audio output signal is... | 08/23/2011 |
| 7936885 | Audio/video reproducing systems, methods and computer program products that modify audio/video electrical signals in response to specific sounds/images An audio/video reproducing system is automatically electronically controlled in response to specific sensed sounds, specific sensed images and/or specific sensed patterns of nonvisible electromagnetic radiation that are identified electronically from a predefined se... | 05/03/2011 |
| 7903826 | Headset with ambient sound A headset that includes an input that receives an audio signal from an electronic equipment, and at least one earpiece having an electro-acoustic speaker for converting electrical signals to audible sound. The headset further includes at least one microphone that re... | 03/08/2011 |
| 7903825 | Personal audio playback device having gain control responsive to environmental sounds A personal audio playback device having gain control responsive to environmental sounds provides for improved enjoyment of program material played back through headphones, while further providing features for personal safety and communications with others. A microph... | 03/08/2011 |
| 7840012 | Audio conditioning apparatus, method and computer program product The audio conditioning apparatus (190) for conditioning an audio signal (O) to be output, contains a noise characterizing unit (106, 112) arranged to evaluate a noise level (NM) of environmental noise yielding a noise level with which subsequently a vo... | 11/23/2010 |
| 7822212 | Method and system for amplifying auditory sounds This invention relates to a system for amplifying a sound in an auditory environment. The system comprises a microphone for transforming said sound to an electric sound signal; a band-pass filtering means connecting to said microphone and outputting a filtered sound... | 10/26/2010 |
| 7636444 | Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels The automatic adjustment of audio alert characteristics of an alert device using ambient noise levels is described. In one aspect of the invention, a machine-readable medium has executable instructions to cause a machine to perform a method to receive an audio sampl... | 12/22/2009 |
| 7616767 | Method and device for determining acoustical transfer impedance The method comprises generating an acoustical volume velocity Q in the listening position, measuring a response quantity p, such as sound or vibration, at a suspected source position resulting from the volume velocity Q, and determining the acoustical transfer imped... | 11/10/2009 |
| 7486797 | Audio correcting apparatus An audio correcting apparatus includes a speaker provided on a television apparatus, a microphone provided on a remote controller, an identifying unit which identifies an acoustic characteristic from the speaker to the microphone, and an acoustic characteristic sett... | 02/03/2009 |
| 7403110 | Enhanced alarm monitoring using a sound monitoring screen saver Alarm monitors comprising conventional personal computers respond automatically to an identified alarm sound by sending a notification signal via the Internet only when a special sound monitoring program is active. ... | 07/22/2008 |
| 7391316 | Sound monitoring screen savers for enhanced fire, safety, security and health monitoring Method, system and device useful with conventional personal computers respond automatically to an identified alarm sound by sending a notification signal via the Internet only when a special sound monitoring program is active. ... | 06/24/2008 |
| 7376557 | Method and apparatus of overlapping and summing speech for an output that disrupts speech A privacy apparatus adds a privacy sound based on a speaker's own voice into the environment, thereby confusing listeners as to which of the sounds is the real source. This permits disruption of the ability to understand the source speech of the user by eliminating ... | 05/20/2008 |
| 7369185 | Broadcast receiving apparatus and method having volume control A receiving apparatus includes a receiving unit configured to receive a signal including a program, an acquiring unit configured to acquire information representing a category of the program received by the receiving unit, a volume data generating unit configured to... | 05/06/2008 |
| 7367886 | Gaming system with surround sound An electronic gaming system comprises a gaming terminal and a speaker arrangement. The gaming terminal conducts a wagering game. The speaker arrangement emits audio associated with the wagering game in surround sound relative to a player in front of the gaming termi... | 05/06/2008 |
| 7365664 | ADC with dynamic range extension ADC circuitry has a first programmable gain amplifier to amplify an analog input, a first analog to digital converter coupled to an output of the first amplifier, a second programmable gain amplifier, to amplify the analog input, a second analog to digital converter... | 04/29/2008 |
| 7359686 | Radio-frequency amplifier system A device for measuring voltage levels includes a root mean square (RMS) detector. The RMS detector includes a linear multiplier, a log converter, a low-pass filter and a temperature compensator. The linear multiplier multiplies a voltage of an input signal by the vo... | 04/15/2008 |
| 7356153 | Hearing assistive apparatus having sound replay capability Hearing assistive apparatus can be implemented to include sound replay capability, the hearing assistive apparatus enabling operation in a replay mode (in which the hearing assistive apparatus replays sound that occurred prior to the current time), as well as in a c... | 04/08/2008 |
| 7346173 | Method and circuit assemblage for influencing the treble reproduction of an audio signal A method for influencing, e.g., for decreasing, the treble reproduction of an audio signal for reproduction obtained from a received signal, the received field strength and reception quality of the received signal being evaluated and, as a function thereof, the tran... | 03/18/2008 |
| 7340068 | Device and method for detecting wind noise A device for detecting the presence of wind noise in an array of microphones including two or more separate sound inlet openings, and a sound to electrical converting element or microphone in relation to each sound inlet opening. The microphones each generate time d... | 03/04/2008 |
| 7336796 | Hearing assistive apparatus having sound replay capability and spatially separated components Hearing assistive apparatus can be implemented to include sound replay capability, the hearing assistive apparatus enabling operation in a replay mode (in which the hearing assistive apparatus replays sound that occurred prior to the current time), as well as in a c... | 02/26/2008 |
| 7333618 | Ambient noise sound level compensation Systems and methods for ambient noise compensation are disclosed. One example of a system includes a variable amplifier, a source sound processor, an area sound processor, and an adjustment circuit. The variable amplifier adjusts an audio input signal to generate an... | 02/19/2008 |
| 7333623 | Method for dynamic determination of time constants, method for level detection, method for compressing an electric audio signal and hearing aid, wherein the method for compression is used The invention provides a method for dynamic determination of time constants to be used in a detection of the signal level of an input signal of unknown level in an electric circuit, comprising the following steps:—feed the input signal through an auxiliary level d... | 02/19/2008 |
| 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 apparatus controlling the volume of sound output from the sound output sys... | 02/12/2008 |
| 7324649 | Hearing aid device, comprising a directional microphone system and a method for operating a hearing aid device The invention relates to a hearing aid with a signal processing unit (14) and at least two microphones (1, 2, 3) which can be coupled together to form directional microphone systems of a different order, where microphone signals (11, 12, 13) emi... | 01/29/2008 |
