Abstract: An apparatus and method for cancelling a noise of an audio signal in an electronic device is provided. The method includes recording audio signals using a plurality of microphones and changing an audio signal which is introduced into a first microphone during a noise generation interval to an audio signal which is introduced into a second microphone, wherein the first microphone includes one or more microphones which are influenced by the noise among the plurality of microphones.

Abstract: An amplifier and an amplification method are provided. In accordance with the present invention, a cut-off frequency of variable high-pass filter is dynamically adjusted in real time according to a low frequency level of an input audio signal to prevent a distortion of the audio signal and damage of loudspeaker.

Abstract: In one embodiment, a system includes a processor and logic integrated with and/or executable by the processor, the logic being configured to: determine a physical position on a magnetic medium that corresponds to an end of an encrypted data set; store an indicator of the physical position on the magnetic medium and/or a memory coupled thereto; and cause obscuring of an unencrypted data set positioned after the physical position without overwriting the encrypted data set. In another embodiment, a computer program product includes a computer readable storage medium and program instructions embodied therewith, the program instructions readable and/or executable by the processor to cause the processor to: read an indicator of a physical position on a magnetic medium that corresponds to an end of an encrypted data set; and cause obscuring of an unencrypted data set positioned after the physical position without overwriting the encrypted data set.

Abstract: A latency reduction system in a virtual bass processing system performs harmonic transposition on low frequency components of an audio signal to generate transposed data indicative of harmonics of the audio signal. The system uses a base transposition factor greater than two, and generates the harmonics in response to frequency-domain values determined by forward and inverse transform stages that use asymmetric analysis and synthesis windows. The system combines a virtual bass signal with the delayed wide band audio signal through analysis filter banks having filter coefficient truncated Nyquist filters. The virtual bass signal may lag the delayed wide band audio signal when combining with the audio signal to further reduce the latency caused by the harmonic transposition. The virtual bass input signal may be directly routed from a CQMF analysis filter bank of a preceding Hybrid filter bank stage, in order to avoid the delay associated with a Nyquist filter bank.

Abstract: Method of processing an audio signal, audio reproduction system, and processing unit for conditioning audio signals. The audio signal includes at least first and second channels, the first channel being time-delayed by a predetermined delay factor, and a volume level of the first channel being attenuated by a predetermined attenuation factor. This attenuated and time-delayed first channel is added to the second channel to provide a second channel of the audio signal intended for reproduction.

Abstract: Provided is a variable directivity electret condenser microphone that can simplify a circuit configuration, and outputs an audio signal in a balanced manner, which includes electrically independent first and second electret condenser microphone units in which first and second fixed electrodes are arranged back to back and facing each other in a mutually non-conductive state, and first and second diaphragms are arranged facing the first and second fixed electrodes with fixed intervals therefrom respectively, a first impedance converter having an input terminal connected to the first fixed electrode, and a first buffer circuit connected to the first impedance converter, a second impedance converter having an input terminal connected to the second fixed electrode, and a second buffer circuit selectively connected to the second impedance converter, and a directivity variable switch that can alternatively select a mode from at least a first directivity mode to a third directivity mode.

Abstract: Techniques for storing and retrieving processing properties for processing an audio signal in an audio processing system, such as, an audio mixing console are provided. The processing properties specify audio effects and/or audio mixing applied to the audio signal. Type information is established which relates to audio content properties of the audio signal. The type information allows classifying audio signals based on their audio content. Based on the type information, processing parameters are stored in a database and/or retrieved from the database.

Abstract: A system and method for dynamically mixing audio signals may calculate a signal amplitude for each of two or more audio signals. The signal amplitude may be the absolute value of the audio signal. A signal sum may be calculated using each of the two or more signal amplitudes. Each of the two or more signal amplitudes may be smoothed. The signal sum may be smoothed. The smoothing may be a filter or a leaky integrator. A respective mixing gain may be calculated for each of the two or more audio signals using a respective ratio of each of the two or more smoothed signal amplitudes and the smoothed signal sum. Each of the two or more audio signals may be gain adjusted responsive to the respective mixing gain. Each of the two or more gain adjusted audio signals may be mixed to create an output signal.

Abstract: An audio signal processing device receives a plurality of audio signals via a left channel (L) and a right channel (R) so as to produce a composite signal L+R and a difference signal L?R. The composite signal L+R is changed in phase with an all-pass filter, while the difference signal L?R is changed in phase and frequency characteristic with a band-pass filter (e.g. a center frequency of 1 kHz). The band-pass filter has a gently curved frequency characteristic achieving a broad passing band. Additionally, a phase difference of 90 degrees is maintained between the all-pass filter and the band-pass filter over the entire audio frequency range. The composite signal and the difference signal are adjusted in their levels and then mixed together to produce a monaural signal achieving an audio surround effect for widely propagating sound into the surrounding space without degrading sound quality.

Abstract: A microphone includes elements to protect against overpressure, such as from sudden physical shock. A cavity between ambient atmosphere and the microphone diaphragm includes a movable seal, which blocks overpressure from reaching the diaphragm when closed, and allows ordinary pressure to reach the diaphragm when open. The cavity can also have an entrance from ambient atmosphere offset from an exit to the diaphragm, and can include a valve which vents overpressure, or balloons in response to overpressure, so that overpressure does not directly reach the diaphragm. The seal or valve can be kept open or kept closed, and moved between states in response to whether the microphone should be in use or protected.

Abstract: Aspects of the invention relate to a hearing device for automatically enabling monitoring within the hearing device including an electronic module arranged for collecting environment data of the hearing device, wherein environment data is based on events in the vicinity of the hearing device, at least one sound reproducing unit arranged for receiving a first audio signal, wherein the electronic module includes a processor arranged to mix the received first audio signal and a monitored ambient sound signal based on the collected environment data. Aspects of the invention also related to a system and a method for automatically enabling monitoring within the hearing device.

Abstract: Embodiments of the disclosure may provide a low cost audio system including a dock and a dongle. The dock may be passive and may include a plurality of inputs and a plurality of outputs. The outputs of the plurality of outputs may be connected to a single output port, which may be configured to be communicatively coupled with the dongle. The plurality of inputs of the dock may be connected to one or more audio outputs of one or more gaming consoles. The dongle may be configured to be wirelessly connected to a headset and may include a plurality of contacts that are configured to be connected to the plurality of outputs when the dongle is communicatively coupled to the port. The dongle may be also configured to be communicatively coupled to gaming platforms other than the gaming consoles that are connected to the dock.

Abstract: In accordance with these and other embodiments of the present disclosure, systems and methods may include a controller configured to be coupled to an audio speaker, wherein the controller receives an audio input signal, and based on a displacement transfer function associated with the audio speaker, processes the audio input signal to generate an output audio signal communicated to the audio speaker, wherein the displacement transfer function correlates an amplitude and a frequency of the audio input signal to an expected displacement of the audio speaker in response to the amplitude and the frequency of the audio input signal.

Abstract: In accordance with embodiments of the present disclosure, systems and methods may include a controller configured to be coupled to an audio speaker, wherein the controller receives one or more signals indicative of one or more operating characteristics of the audio speaker and compares the one or more operating characteristics to one or more speaker protection thresholds, and based on the comparison, processes an audio input signal to generate an audio output signal communicated from the controller to the audio speaker, further wherein the one or more speaker protection thresholds are based on offline reliability testing of one or more audio speakers similar to the audio speaker and the controller generates one or more modeled parameters for the audio speaker and modifies the one or more speaker protection thresholds based on the one or more modeled parameters.

Abstract: Aspects of the disclosure provide an audio circuit that includes a clock circuit, a transmitting circuit, an audio data preparation circuit and a controller. The controller is configured to provide control signals to configure the transmitting circuit and the audio data preparation circuit according to one of a plurality of link protocol. The clock circuit is configured to provide a clock signal for bit transmission. The transmitting circuit is configured to transmit a bit in response to a transition edge of the clock signal according to the link protocol. The audio data preparation circuit is configured to insert audio data into a bit stream and provide the bit stream to the transmitting circuit according to the link protocol.

Abstract: In at least one embodiment, a headphone listening apparatus including an audio listening device is provided. The audio listening device is programmed to receive an incoming ambient audio signal indicative of an external ambient sound and to store a plurality of desired audio triggers. The audio listening device is further programmed to compare the external ambient sound to the plurality of desired audio triggers and to transmit a notification signal to headphones in response to the ambient sound being generally similar to a first desired audio trigger of the plurality of desired audio triggers. The headphones are programmed to provide an audio alert to a user to indicate the presence of the external ambient sound.

Abstract: An apparatus according to one embodiment includes first and second arrays of transducers, each array having a longitudinal axis defined between outermost transducers thereof. The longitudinal axes of the arrays are not parallel to one another. At least one servo track reader is associated with each array for reading servo data from the medium. The transducers are for reading and/or writing data in data bands of the magnetic medium. A computer program product for writing data to a magnetic recording tape, according to one embodiment, includes a computer readable storage medium having program instructions embodied therewith. The program instructions are executable by a controller to cause the controller to determine an extent of tape dimensional instability, cause adjustment of a tilt angle of a first array of transducers to perform a readback operation based on the determined extent, and cause performance of the readback operation.

Abstract: A receiver assembly comprising a first and a second receiver housing and a spout. The second receiver housing is positioned over a first sound outlet port of the first receiver housing and the spout is positioned over a second outlet port of the second receiver housing. An acoustic duct is located between the first and second receiver housing acoustically connecting the first sound outlet port to the spout and is provided with an acoustic mass.

Abstract: An apparatus and method for generating multimedia data and an apparatus and method for playing multimedia data are disclosed. The apparatus for generating the multimedia data may include a spatial information identification unit to identify spatial information for a plurality of channels of a multi-channel audio signal, and a multimedia data generation unit to generate multimedia data including the spatial information, and the apparatus for playing the multimedia data may include a spatial information analysis unit to analyze spatial information for a plurality of channels of a multi-channel audio signal included in multimedia data, and a multimedia data playback unit to play multimedia data, based on the spatial information.

Abstract: An electronic device and a corresponding gain controlling method are provided. The gain controlling method includes the steps of receiving a sound signal, calculating a sound level according to each value of the sound signal in a past period, determining a gain value according to the sound level, using the gain value to amplify the sound signal, and then storing the sound signal.