328results about How to "Improve recording effect" patented technology

An aspect of the present invention relates to a magnetic recording medium comprising a magnetic layer containing a ferromagnetic powder and a binder on a nonmagnetic support, wherein the ferromagnetic powder is comprised of magnetic particles comprising a hard magnetic particle and a soft magnetic material deposited on a surface of the hard magnetic particle in a state where the soft magnetic material is exchange-coupled with the hard magnetic particle.

The present invention discloses a microphone sound recording control method, a sound source positioning method, a digital audio signal processing method and a corresponding device thereof. The invention is used for increasing the sound recording effect of digital device. The microphone sound recording control method provided by the invention comprises the following steps: obtaining the distance from the target sound source to the microphone array in the sound recording process of microphone array; and adjusting the included angle two microphones in the microphone array. The sound source positioning method provided by the invention comprises the following steps: obtaining the distance from the target sound source to the microphone array in the sound recording process of microphone array; confirming the sound pick-up angle of microphone array according to the obtained distance; respectively confirming the maximum crosscorrelation values of audio signals received by two microphones in the microphone array; and confirming the sounding probability of target sound source according to the ratio between the maximum crosscorrelation value confirmed in the range of sound pick-up angle and the maximum crosscorrelation value confirmed outside the range of sound pick-up angle.

In order that it is realized to put 16× speed DVD-RAM in practice, a recording method coping with CAV (constant angular velocity) and a method for improving S/N ratio are provided and an optical disk device using them is provided. In order that a cutoff phenomenon of pulse in a laser driving circuit may not occur, the shortest pulse width is set at 1 Tw or more where Tw indicates a window width, and a recording pulse in which a 4T mark is recorded with a mono pulse where T indicates a detection window width and the parameter setting range are prescribed. Simultaneously, a reproduction power for 6× speed or more is set at 1.5-2.0 mW, different from a conventional value, and a setup sequence with which deterioration of data in reproducing does not occur is provided. Thereby it becomes possible to put 16× speed DVD-RAM in practice.

The invention discloses a recording system and method based on multi-microphone array beam forming. The recording system based on multi-microphone array beam forming comprises multiple microphones used for collecting external voice signals, an analog-digital conversion device, a voice frequency digital signal processing device and an output device in a sequential connection mode. The recording direction can be changed in real time, only voice at a certain angle can be recorded, and the mode that other human voice and background noise excepting the voice at the certain angle are effectively eliminated is set. Meanwhile, it is unnecessary to change the position and the direction of a mobile terminal to deliberately get the mobile terminal close to the needed voice, so that the good effect of recording within 5 meters at the maximum is achieved.

A double-layer perpendicular magnetic recording medium suitable for high density recording is obtained. In one embodiment, a granular recording medium is formed on a undercoating layer, in which a first metal composed of Pt, Pd, or an alloy thereof and a second metal composed of Cr or V are included and their composition is 15%<B/(A+B)<30% when the atomic fraction of the first metal is assumed to be A and the atomic fraction of the second metal is assumed to be B.

The reduction in a recording magnetic field due to the narrowing of recording track width along with the improved surface recording density is prevented and the increasing of accuracy in the track width is achieved, enabling an improvement in recording performance. In a perpendicular magnetic recording head, a main pole 13 includes a first main pole portion 131 having an inverse trapezoidal shape with a bevel angle and a second main pole portion 132 laminated on the first main pole portion. The second main pole portion 132 has no bevel angle, is generally rectangular and defines track width. The second main pole portion has a tapered shape extending from the predetermined position of a flare portion toward an air bearing surface.

A perpendicular magnetic recording medium has a substrate, a soft magnetic underlayer formed on the substrate, arrayed soft magnetic dots formed on the soft magnetic underlayer, and a ferromagnetic recording layer formed on the soft magnetic dots and having magnetic anisotropy in a direction perpendicular to a surface of the substrate.

The invention discloses an audio information processing method which is used for solving the technical problem that in the prior art, the display effect of an electronic device is poor. The method includes the steps that when a voice file is output, and M segments of audio information with a first vocal print characteristic in the voice file are analyzed; the M segments of audio information are compared with N segments of audio samples, first audio samples corresponding to the vocal print characteristic same as the first vocal print characteristic in the N segments of audio samples are determined, and first user identification information corresponding to the M segments of the audio information is determined according to the correspondence relation between the audio samples and the user identification information; the voice file is output; when the audio information with the first vocal print characteristic is played, the first display effect of an electronic device is controlled to display the first user identification information. The invention further discloses the electronic device used for achieving the method.

Ink jet recording sheet has excellent recording properties and print preservability (especially, print light resistance and ozone resistance) for dye ink as well as pigment ink. The ink jet recording sheet includes: a supporting medium; and an ink receiving layer disposed on the supporting medium, the ink receiving layer including pigment, at least a styrene-acryl copolymer resin as an adhesive, and a guanidine compound and a secondary ammonium salt compound as a cationic polymer.

Multiple embodiments of the invention are described which include at least two laminated ferromagnetic layers with differing magnetic anisotropy. The independent magnetic layer farther away from the recording head is selected to have a lower magnetic anisotropy to allow magnetic switching of the multiple magnetic layers to occur at approximately the same head write current even though the recording head field is reduced with increased distance from the head. The improved switching yields improved magnetic recording performance. Laminated magnetic media according to the invention can have a single peak in the normalized DC erase noise vs. head write current plot indicating that the magnetic transitions in the non-slave magnetic layers are written at the same head write current. As a result the magnetic pulse width (PW₅₀) is reduced, overwrite (OW) is improved and media signal-to-noise ratio (S_oNR) is improved. Alternatively one or both of the laminated ferromagnetic layers can be replaced with an antiferromagnetically (AF) coupled layer structure that has an AFC-master and an AFC-slave layer separated by a spacer layer selected to antiferromagnetically couple the AFC-master and AFC-slave layers.

The present invention provides an optical information recording medium that includes a substrate including a groove with a track pitch of 200 to 400 nm and a groove depth of 20 to 150 nm and having successively disposed thereon a light reflecting layer, a recording layer containing a dye in which information is recorded by irradiation with a laser beam having a wavelength of no greater than 450 nm, an adhesive layer, and a cover layer with a thickness of 0.01 to 0.5 mm. A surface of the optical information recording medium on a side disposed with the cover layer has a center surface average roughness (SRa1) of no greater than 3.0 nm when measured over a large surface area and a center surface average roughness (SRa2) of no greater than 3.0 nm when measured over a minute surface area.

Provided is a thin film magnetic head capable of improving recording performance. The thin film magnetic head comprises a laminate including a main pole layer and an auxiliary pole layer being disposed in a region facing the main pole layer with a non-magnetic layer in between. After magnetic flux generated in a thin film coil is contained in the auxiliary pole layer through the non-magnetic layer, and then is concentrated on a front end neighboring portion of a front end portion in the auxiliary pole layer, the magnetic flux passes through the non-magnetic layer again so as to flow into a front end portion of the main pole layer. A "main magnetic flux incoming route" flowing from a rear end portion to the front end portion in the main pole layer and an "auxiliary magnetic flux incoming route" flowing from the auxiliary pole layer to the front end portion of the main pole layer can be obtained, so an amount of the magnetic flux supplied to a portion of the front end portion of the main pole layer on a trailing side increases. As a sufficient amount of the magnetic flux is supplied to a portion of the front end portion of the main pole layer on the trailing side so that an emitting amount of the magnetic flux increases, thereby a generation intensity and a magnetic field gradient of a perpendicular magnetic field can be obtained.

A perpendicular magnetic recording medium has a multilayer recording layer (RL) structure that includes a ferromagnetic intergranular exchange enhancement layer for mediating intergranular exchange coupling in the other ferromagnetic layers in the RL structure. The RL structure may be a multilayer of a first ferromagnetic layer (MAG1) of granular polycrystalline Co alloy with Ta-oxide, a second ferromagnetic layer (MAG2) of granular polycrystalline Co alloy with Si-oxide, and an oxide-free CoCr capping layer on top of and in contact with MAG2 for mediating intergranular exchange coupling in MAG1 and MAG2. The RL structure may also be a multilayer of an intergranular exchange enhancement interlayer (IL) in between two ferromagnetic layers, MAG1 and MAG2, each with reduced or no intergranular exchange coupling. Because the IL is in direct contact with both MAG1 and MAG2, it directly mediates intergranular exchange coupling in each of MAG1 and MAG2.

The invention is concerned with a kind of high density and implantation plane array microelectrode and its produce method. The said array microelectrode uses polymer as insulated layer material and the leads connects with the electrode activating location or record location of different insulated layers. Produce through hole on the isolation insulated layer and form metal connecting structure in the through hole by plating process to connect the leads with upper and down electrode activating location or record location on the isolation insulated layer. Polishing the upper surface with chemistry polishing after the plating process in order that can keep the well connecting between plating metal pole and upper layer spattering metal layer. This produce method can produce higher density array micro electrode on unit area than the one of common lead setting on single layer to realize the activation or record with higher selectivity to implantation array micro electrode.

The invention relates to a mobile equipment recording method and device, the recording method includes the following steps: adding background music, meanwhile collecting a voice signal; performing volume regulating, fade-in fade-out and delay treatment on the background music, meanwhile performing real-time audio processing on the voice signal; performing sound mixing on the processed background music and voice signal; performing compressed encoding on sound mixed data; and performing editing treatment on the encoded data; the hardware connection way of the recording method is simple, a user finishes speaking, meanwhile a program recording is completed, the time of the program recording is greatly saved, traditional radio program production technical threshold is reduced, program production efficiency is improved, and high quality radio programs can be produced by the general public via mobile devices.

The invention relates to a piano playing process recording device which can automatically test and emend a transducer. It can automatically record and play piano playing process, test the moment and dynamics of the piano key action by the transducer, and record to form sonic signal, then transform it to voltage signal to store; and wireless tele-operator is used to select and replay the catalogue stored in the piano. The advantage of the invention is that the adaptive ability of the piano sounding recording is better, the distortion is smaller, the sound recording effect is better, and the maintenance is simpler and more convenient.

The invention discloses a multi-target automatic tracking method, which comprises the following steps: A, triggering a teacher tracker, starting face detection tracking, finding a face target in a monitoring region, performing video monitoring and recording according to the face target, and saving images in a characteristic tracking region; B, detecting the number of faces in the monitoring region, repeating the step A if one face exists in the monitoring region, and starting motion target characteristic tracking when over two faces are recognized in the monitoring region; C, finding a cluster point which is most matched with the saved information of the characteristic tracking region in a current image in reference to the information of the characteristic tracking region saved in the step A, determining the location of a target once again according to the cluster point, adjusting the teacher tracker by taking the location of the cluster point as the location of the target, and performing video monitoring and recording on the location of the cluster point.