98results about "Recording signal processing" patented technology

The utility model discloses an SSD (Solid State Disk) automatic copying machine, which is applied to the technical field of automatic copying machines, and is characterized by comprising a base and a mounting frame fixedly connected to the base, a plurality of stock bin assemblies used for storing SSD trays and positioning carriers used for positioning and storing SSDs are fixedly connected to the base side by side, and a positioning and taking assembly used for conveying the SSD trays or the SSDs is movably connected to the mounting frame based on a lead screw sliding and lifting assembly. The base is further fixedly connected with a copying machine and a card inserting assembly used for clamping the SSD in the positioning carrier and inserting the SSD into the copying machine for automatic copying, and the base is fixedly connected with a caching assembly used for storing the finished SSD. The SSD copying device has the technical effects that the structure is simple, and automatic copying of the SSD is realized.

The present invention provides a method for processing music audio data, comprising the steps of providing input audio data representing a first piece of music containing a mixture of predetermined musical timbres, decomposing the input audio data to generate at least a first audio track representing a first musical timbre selected from the predetermined musical timbres, and a second audio track representing a second musical timbre selected from the predetermined musical timbres, applying a predetermined first audio effect to the first audio track, applying no audio effect or a predetermined second audio effect, which is different from the first audio effect, to the second audio track, and obtaining recombined audio data by recombining the first audio track with the second audio track.

A method for distributing an audio instruction from a manager site at a client site in a distributed audio system having a plurality of client sites, a generalized audio instruction for playback of audio at the client sites is received via user input at the manager site. The generalized audio instruction includes a plurality of labels which are global in the audio system and are indicative of a time schedule category, an audio zone category, and an audio source category. Pre-defined information which associates the plurality of labels indicative of the time schedule, audio zone, and audio source categories with client site specific identifiers of a time schedule, an audio zone, and an audio source, respectively, is accessed for each of client sites. The generalized audio instruction is adapted using the pre-defined information to generate a specialized audio instruction for each of the one or more client sites.

According to one embodiment, a magnetic disk device including a controller. The controller writes adjustment patterns, reads the written adjustment patterns, and detects the number of signal components of the sync mark included in the read signal, selects a frequency of an adjustment pattern from which the detected number larger than or equal to a threshold value is obtained, among the read adjustment patterns, as a write frequency of each of magnetic heads, writes spiral patterns including the sync mark in each predetermined cycle with the same frequency as each of the selected write frequencies, and writes a servo pattern, while tracking each of the written spiral patterns.

This invention discloses a method and system for detecting low signal-to-noise ratio periodic linear frequency modulated (LFM) continuous wave signals, relating to the fields of radio target monitoring and spectrum management. The method includes: detecting periodic components in the data to be detected; if periodic components exist, recording period estimates based on these components; determining two adjacent observation windows based on the difference between the period estimates and the delay, and the delay itself; dividing the data to be detected into P consecutive groups of data using the period estimates; using a sampling point as the starting position of a step-size sliding observation window, performing piecewise discrete polynomial transformation and spectrum calculation on the data to be detected corresponding to each step-size sliding observation window, thereby detecting the periodic LFM continuous wave signal; when the detection result indicates the presence of a periodic LFM continuous wave signal, determining the modulation slope and modulation inflection point position of the signal. This invention effectively improves the detection capability for weak periodic LFM continuous wave signals.

Provided is a disk device, a control method for a disk device, and a program, which enable a rotational latency to be minimized to access a next logical block address (LBA) regardless of which head is used for access in a disk device having a plurality of heads. The disk device of an embodiment includes a storage unit that stores a table in which a track skew value for each head is stored, and a control unit that reads out a track skew value corresponding to a head that is an object of operation from the table and performs track control.

The present disclosure relates to a self-encrypting drive (SED). The self-encrypting drive (SED) receives a media encryption key (MEK) from a key management server. The MEK is stored only in a volatile memory of the SED. Data is encrypted based on the MEK for storage in a non-volatile storage medium of the SED. Further, the MEK is erased in the volatile memory to cryptographically wipe the SED by deleting all instances of the MEK stored by the SED.

Example channel circuits, data storage devices, and methods for using a trained neural network to estimate the noise mixture in a read signal are described. Samples are determined from a digital read signal, such as the read signal from the non-volatile storage medium of a data storage device. The samples are processed through one or more instances of a neural network comprised of trained coefficients and outputting a set of estimate values for a noise mixture of the read signal. The set of estimate values may then be used to adjust parameters of the read channel for processing the read signal to detect and decode data.

To provide a method and a system that distribute audio instructions from an administrator site at a client site.SOLUTION: A method is so adapted that predetermined information for associating a plurality of labels with client site-specific identifiers of respective time schedules, audio zones and audio sources is accessed for one or each of a plurality of client sites, and a generalized audio instruction generates an audio instruction specialized for the one or each of the plurality of client sites by using the predetermined information, and the audio instruction specialized for the client site includes a client site-specific identifier associated with a plurality of labels in the generalized audio instruction. As final means for distributing audio instructions at the one or each of the plurality of client sites, the specialized audio instruction generated for the client site is executed.SELECTED DRAWING: Figure 3

Example systems, apparatus, and methods receive audio information including a plurality of frames from a source device, wherein each frame of the plurality of frames includes one or more audio samples and a time stamp indicating when to play the one or more audio samples of the respective frame. In an example, the time stamp is updated for each of the plurality of frames using a time differential value determined between clock information received from the source device and clock information associated with the device. The updated time stamp is stored for each of the plurality of frames, and the audio information is output based on the plurality of frames and associated updated time stamps. A number of samples per frame to be output is adjusted based on a comparison between the updated time stamp for the frame and a predicted time value for play back of the frame.

Embodiments are disclosed for techniques to detect electronic system modification. The techniques include causing an electronic system to perform a predetermined set of routines. The techniques also include generating field scans of the electronic system while the predetermined set of routines is performed. The techniques further include comparing the field scans to baseline scans of the electronic system. Additionally, the techniques include determining that one of the field scans and one of the baseline scans are different. Further, the techniques include identifying at least one difference between the one field scan and the one baseline scan.

An information verification method and related device are provided. In the method, a fluorescent signal may be obtained, where the fluorescent signal is an electrical signal generated based on a plurality of fluorescent spots, and the fluorescent signal includes a plurality of pulse signals; an information symbol corresponding to each pulse signal may be determined based on a preset amplitude threshold and an amplitude of each pulse signal; an information sequence may be obtained based on the information symbol corresponding to each pulse signal; and a verification result of the information sequence may be obtained based on a first quantity of pulse signals between any two pulse signals in the plurality of pulse signals and a time interval between the any two pulse signals. According to the application, resulting in an error in information content corresponding to the read signal can be resolved.

Provided are a disk device and a parameter setting method for the disk device. The disk device includes a control object, a controller that controls the operation of the control object, a loop shaping filter that is connected in parallel to the controller, determines a parameter for suppressing a rotational asynchronous disturbance using a transfer function from an output thereof to an input of the rotational asynchronous disturbance acting on the control object, and a notch filter that suppresses resonance of a head. In a case where the control object is changed due to manufacturing fluctuations and the like, the loop shaping filter is redesigned while reflecting a change in the transfer function, while the parameter of the notch filter is changed in accordance with the change. Thus, even in a case where the characteristics of an actuator as the control object differ from those at the time of design, the NRRO disturbance can be suppressed as intended, and the positioning accuracy of the head can be improved.

To improve accuracy of current detection.SOLUTION: An A / D converter converts an error signal VERR based on an error between a current feedback signal VFB and a reference signal VDAC into a digital signal DERR at the timing of an S / H signal. In a first mode, a compensator uses a value A1 of the error signal captured by the A / D converter at the timing of a negative edge of a first pulse PWMA as a value A1' of the error signal at the timing of a positive edge of a second pulse PWMB.SELECTED DRAWING: Figure 4

To provide a method and a system that distribute audio instructions from an administrator site at a client site.SOLUTION: A method is so adapted that predetermined information for associating a plurality of labels with client site-specific identifiers of respective time schedules, audio zones and audio sources is accessed for one or each of a plurality of client sites, and a generalized audio instruction generates an audio instruction specialized for the one or each of the plurality of client sites by using the predetermined information, and the audio instruction specialized for the client site includes a client site-specific identifier associated with a plurality of labels in the generalized audio instruction. As final means for distributing audio instructions at the one or each of the plurality of client sites, the specialized audio instruction generated for the client site is executed.SELECTED DRAWING: Figure 3

The embodiment of the invention relates to a magnetic disk device. In the first writing period, if the determination unit (67) determines that the error correction of the first user data on the first data track does not exceed the limit, the determination unit (67) causes the write processing unit (62) to continue the write processing and causes the management unit (65) to execute the second management. When the determination unit (67) determines that the error correction has exceeded the limit, the determination unit (67) causes the write processing unit (62) to continue the write processing and causes the management unit (65) to execute the third management. The determination unit (67) causes the management unit (65) to execute a process for transferring the data belonging to the third group to the non-volatile recording medium during or after the first writing period.

The magnetic tape includes: a non-magnetic support; and a magnetic layer containing a ferromagnetic powder, in which a non-linear component of tape width deformation generated by storage for 10 days in an environment of a temperature of 60° C. and a relative humidity of 20% is 100 nm or less. A magnetic tape cartridge and a magnetic tape apparatus include the magnetic tape.

At least some aspects of the present disclosure provide for a method (500). In at least one examples, the method includes applying first equalization to a received data signal to generate an equalizer signal (510) and comparing the equalized signal to each of a plurality of reference voltages for a predetermined period of time per respective reference voltage to generate a comparison result (520). The method further includes determining a plurality of counts with each count of the plurality of counts uniquely corresponding to a number of rising edges in the comparison result for each of the plurality of reference voltages (525). The method further includes comparing at least one of the plurality of counts to at least another of the plurality of counts to determine a relationship among the plurality of counts (535) and applying second equalization to the received data signal based on the determined relationship among the plurality of counts (540).

Embodiments provide a magnetic disk device capable of improving processing performance. A magnetic disk device according to an embodiment includes: a disk including a first track having a plurality of first error sectors including defects and a first parity sector; a second track having a second parity sector; and a media cache; a header which writes data to the disk and reads data from the disk; a monitoring sector management unit that manages defects; and a controller that, when the first error sector is managed by the monitoring sector management unit and when a write command for writing write data to a first region of a part of the first track is received, controls the first error sector to write the write data to the second region of the part of the first track. After performing an XOR operation on all sectors excluding a sector of the first region and a first parity sector of the first track, the write data is written to the first region, and a result obtained by performing the XOR operation on the write data and a result obtained by performing the XOR operation is written to the first parity sector.

The invention is entitled "Method and system for seamless media synchronization and switching." A method performed by a portable media player device is disclosed. The method receives a microphone signal that includes audio content output by an audio playback device via a loudspeaker. The method determines identifying information about the audio content, where the identifying information is determined through acoustic signal analysis of the microphone signal. In response to determining that the audio playback device has ceased outputting the audio content, the method retrieves an audio signal corresponding to the audio content from a local memory of the portable media player device or a remote device communicatively coupled thereto, and uses the audio signal to drive a speaker that is not part of the audio playback device to continue outputting the audio content and any additional audio content related to the audio content.

Novel tools and techniques might provide for implementing application, service, and / or content access control. Based at least in part on a consumer's choice of applications, services, content, and / or content providers—particular in exchange for a subsidy on content and / or network access fees provided to the consumer by chosen content providers—, a computing system may determine whether access to applications, services, and / or content not associated with the chosen content providers (“other content”) should be allowed or restricted. If restricted, the computing system might utilize various network access techniques and / or technologies to block the consumer's access to the other content, to allow access to the other content on a charge per access basis, or to allow access to the other content at reduced network access speeds. In some embodiments, an access provider (e.g., an Internet service provider, etc.) might perform both determination and implementation of content access and restriction.

Provided is a magnetic disk device capable of improving reliability and a method of generating write data. The magnetic disk device of the present embodiment includes a disk, a head that writes data to the disk and reads data from the disk, a preamplifier that generates a recording current corresponding to data written to the disk by the head, and a controller that, based on a pattern length of a second data pattern immediately preceding a first data pattern in first write data, transforms the first data pattern into a different data pattern that includes a dummy polarity inversion that does not occur when the recording current is transformed.

In a method of adaptive tape calibration criteria based on number of failed tracks, a number of rewrite occurrences for each failed track on a tape drive is determined. In response to detecting that a head is in a failed track state, the number of failed tracks is stored on the tape drive. A calibration threshold is determined, where the calibration threshold comprises the number of failed track rewrite occurrences and a calibration reference value for a particular tape drive type. In response to the number of rewrite occurrences exceeding the calibration threshold when writing a data set, a calibration of the tape drive is performed.

A method and associated system for matching digital work metadata and delivering the digital work metadata to one or more digital service providers includes modifying one or more digital work metadata files, modifying the one or more digital work metadata files includes removing non-critical data or segmented wrong data, or performing language translation; the one or more digital work metadata files are reformatted so as to be compatible with AI matching operation based on a transformer model; performing a chunk grouping operation on the one or more digital work metadata files, in which data associated with the one or more digital work metadata files is grouped into chunks and analyzed to obtain one or more pairs of data records; executing the AI matching operation based on the transformer model to determine whether each pair in the one or more pairs of data records comprises a matched pair of the data records; and transmitting the output data from the artificial intelligence matching operation based on the transformer model to the one or more digital service providers.

A processor included in an electronic device may be configured to: display an audio input selection screen related to a plurality of audio inputs in a multiple camera recording mode; receive a first user input for selecting an external electronic device through the audio input selection screen; in response to the first user input, establish, through a communication circuit, each of first and second communication links for supporting first and second ear buds included in the external electronic device and binaural recording; while recording is performed by simultaneously using first and second cameras, receive first and second audio data obtained from the first and second ear buds through the first and second communication links, respectively; and store first and second images obtained from the first and second cameras in synchronization with the first and second audio data.

The present application specifically relates to the field of audio recording and conversion. Disclosed is an audio recording and conversion method for a Bluetooth earphone. In the present application, a Bluetooth function of an audio source device is enabled to establish a paired connection to a Bluetooth earphone; subsequently, a recording process is started by means of a "record" button on the earphone, and a system guides a user to select an audio format and confirm recording settings; during recording, a built-in microphone of the earphone collects an audio signal in real time, performs denoising and signal amplification processing on the collected audio signal, and then converts the processed audio signal into a digital signal; a watermark is embedded into the processed digital signal, a watermark evaluation value is calculated, and the watermark evaluation value is used for comparison to verify whether the watermark has been embedded; then, the digital signal is converted into an analog signal, and an audio signal is reconstructed; and finally, the system performs watermark detection on the reconstructed audio signal, and detected watermark information is compared, so as to ensure the integrity and authenticity of audio signal data.