68results about How to "Enhanced Stereo Effect" patented technology

A front surround reproduction system improving the stereo effect of mid and low frequency signals by using a psychoacoustic model, and a method thereof. An audio reproducing system to reproduce multi-channel audio signals by using a plurality of speakers includes a split unit to copy the input multi-channel signals and to split the signals into two groups of multi-channel signals, a virtual sound processing unit to generate a virtual sound signal based on a head related transfer function (HRTF) from the one group of the multi-channel signals split in the split unit, a beam forming processing unit to generate a sound beam signal by adjusting the delays and levels of the multi-channel signals belonging to the other group split in the split unit, and a crossover network unit to adjust the characteristics of the virtual sound signal and the sound beam signal generated in the virtual sound processing unit and the beam forming processing unit, respectively, and to provide the virtual sound signal and the sound beam signal to mid and low frequency speaker arrays and high frequency speaker arrays, respectively.

The invention relates to a high-reliability binaural wireless earphone and a communication method applied to the binaural wireless earphone. The binaural wireless earphone comprises a master earphoneand a slave earphone, wherein the master earphone establishes a bluetooth link with another equipment so as to carry out bluetooth communication with the equipment and transmits related parameters ofthe bluetooth link to the slave earphone so as to enable the slave earphone to listen for bluetooth signals from the equipment. One of the earphones is configured to send an error correction code frame to the other earphone at least in the cast of correctly receiving a bluetooth audio data frame, wherein the error correction code frame includes an error correction code under the condition that oneearphone correctly receives the bluetooth audio data frame. According to the wireless earphone and the communication method, the ability of the wireless earphone to receive the bluetooth audio data frame from another equipment can be improved, and the reliability of bluetooth transmission is enhanced; the retransmission of the other equipment for the audio data frame is reduced; and the synchronization of the master earphone and the slave earphone in bluetooth data frame reception can also be improved so as to optimize the stereo effect.

The invention relates to a method for adjusting the optimal virtual sound track of a loudspeaker of a television according to the position of a watcher and the television. The method comprises the steps that the displacement and the width of the head of the watcher are sensed in real time; sensed information is processed according to the face recognition technology, and when the face is recognized, azimuth information and information of the width of the head of the watcher are obtained through detection; the nearest actual watcher and the position of the watcher are found according to the azimuth information and information of the width of the head of the watcher, and a corresponding Head Related Transfer Function (HRTF) is obtained through search; virtual sound track data are calculated according to initial sound track data and the HRTF, and the virtual sound track data are played through the loudspeaker of the television. According to the method for adjusting the optimal virtual sound track of the loudspeaker of the television according to the position of the watcher and the television, the problem of manual setting of a sweet spot and parameters is solved, the virtual sound track corresponding to the optimal audition area can be adjusted in a self-adaptation mode, the parameters can be adjusted automatically, and the improvement in the effect of television watching by a user is facilitated.

The invention provides an audio playing method and a terminal. The method comprises the steps of identifying a target object associated with a currently played audio; obtaining a coordinate of the target object in a terminal screen; judging target areas of the target object in at least two pre-divided areas of the terminal screen according to the coordinate, wherein each area of the at least two areas is correspondingly equipped with a loudspeaker; and playing the currently played audio by the correspondingly set loudspeakers of the target areas. The stereo effect can be improved by playing the audio through different loudspeakers.

The invention provides a left and right audio channel switching method and a mobile terminal, and relates to the technical field of communication. The method includes: receiving a control instruction sent by the earphone according to a detection result of at least one sensor, wherein the sensor is arranged on the outer surface of the earphone head of the earphone, and the detection result is used to know the earphone head of the earphone Whether to wear it to the ear canal corresponding to the earphone head; according to the control instruction, control the mobile terminal to switch the left channel audio signal and the right channel audio signal. It solves the problem that the audio signal of the left and right channels cannot be automatically switched according to the wearing situation of the earphones, causing the user to manually confirm that the left and right earphones are worn to the correct ear canal, the operation is cumbersome and time-consuming, and the user experience is reduced. The beneficial effects of controlling the mobile terminal to automatically switch the left and right sound channels according to the wearing conditions of the earphones, without the need for the user to manually adjust the left and right earphone heads, reducing manual operations, thereby improving the user experience.

The invention relates to a sound processing method and device for a loudspeaker and a mobile terminal. The sound processing method comprises the steps of respectively performing stereo broadening processing on an input left channel stereo signal and right channel stereo signal to obtain a first left channel signal and a first right channel signal; performing crosstalk cancellation on the first left channel signal and the first right channel signal to obtain a second left channel signal and a second right channel signal with the crosstalk being cancelled; respectively performing frequency response adjustment on the second left channel signal and the second right channel signal with the crosstalk being cancelled to obtain a stereo enhanced left channel signal and right channel signal; and outputting the obtained stereo enhanced left channel signal and right channel signal through corresponding loudspeakers. The scheme of the invention can enhance the stereo effect of the signals outputted by the loudspeaker and improve the user experience.

The invention discloses an audio signal processing method and apparatus, and a terminal, and belongs to the technical field of audio processing. The method comprises the following steps: obtaining a first stereo audio signal; splitting the first stereo audio signal into 5.1 channel audio signals; performing signal processing on the 5.1 channel audio signals according to sound box parameters of a three-dimensional surrounding 5.1 virtual sound box to obtain processed 5.1 channel audio signals; and synthesizing the processed 5.1 channel audio signals into a second stereo audio signal. Accordingto the audio signal processing method and apparatus disclosed by the invention, by splitting the first stereo audio signal into the 5.1 channel audio signals, processing and synthesizing the 5.1 channel audio signals into the second stereo audio signal, and playing the second stereo audio signal via a double-channel audio playing unit, so that a user obtains a stereo effect of 5.1 channel audio, the problem of relatively poor stereoscopic effect because only the two-channel audio signals are played in related art is solved, and the stereo effect of audio playing is improved.

The invention provides a method for rebuilding stereo, a loudspeaker box, a position information processing method, and a pickup. The method for rebuilding stereo comprises the steps of determining a position of a current audience; acquiring a predetermined optimal relative position of the loudspeaker box, wherein the predetermined optimal relative position of the loudspeaker box is determined based on a position of the pickup for collecting the stereo and according to a predetermined algorithm, and used for indicating relative position relations between the loudspeaker and the other loudspeakers and simulative audiences; and adjusting the own position of the loudspeaker according to the position of the current audience and the optimal relative position of the loudspeaker box to rebuild the stereo. According to the scheme of the method provided by the invention, the own position of the loudspeaker is adjusted according to the position of the current audience and the optimal relative position of the loudspeaker box, so that the position of the loudspeaker box relative to the current audience and the other loudspeakers accords with the predetermined optimal relative position of the loudspeaker box to rebuild the stereo, and thus the best sound field reproduction can be achieved, a user can hear the best stereo effect, and high quality requirements of the user can be met.

A front surround reproduction system improving the stereo effect of mid and low frequency signals by using a psychoacoustic model, and a method thereof. An audio reproducing system to reproduce multi-channel audio signals by using a plurality of speakers includes a split unit to copy the input multi-channel signals and to split the signals into two groups of multi-channel signals, a virtual sound processing unit to generate a virtual sound signal based on a head related transfer function (HRTF) from the one group of the multi-channel signals split in the split unit, a beam forming processing unit to generate a sound beam signal by adjusting the delays and levels of the multi-channel signals belonging to the other group split in the split unit, and a crossover network unit to adjust the characteristics of the virtual sound signal and the sound beam signal generated in the virtual sound processing unit and the beam forming processing unit, respectively, and to provide the virtual sound signal and the sound beam signal to mid and low frequency speaker arrays and high frequency speaker arrays, respectively.

The embodiment of the invention discloses a recording method based on double microphones, and a terminal. The method is applied to the terminal equipped with the double microphones. A first microphone is arranged at the bottom of the terminal. A second microphone is arranged on the top of the terminal. The method comprises the steps of detecting a screen state of the terminal; collecting first audio data and second audio data by use of the first microphone and the second microphone at the same time when the screen state of the terminal is a transverse screen; and superimposing the first audio data and the second audio data, thereby synthesizing the recorded audios. According to the method and the terminal, the recording quality of the device with the double microphones can be improved.

The present invention relates to an image sensor for generating stereoscopic images. According to the present invention, the image sensor for generating stereoscopic images comprises: a left image sensor which is arranged to generate a left eye image of a subject to be photographed; a right image sensor which is spaced apart from the left image sensor to generate the right eye image of the subject; and a driving circuit unit which drives the left eye image sensor and the right eye image sensor. The left eye image sensor, the right eye image sensor, and the driving circuit unit are all disposed on a single wafer. According to the present invention, the image sensor for generating stereoscopic images can be applied to a device such as a mobile terminal, portable stereo camera or stereo camcorder.

The invention discloses a portable audio playback device and a related mobile multimedia playing device. A plurality of micro-speaker monomers are arranged on a housing of the portable audio playback device, a plurality of micro-speaker monomers form a speaker array, the housing comprises at least one largest surface and a plurality of side surfaces, and a radiation surface of the speaker array is one or a plurality of side surfaces. Compared with the prior art, the provided portable audio playback device utilizes the micro-speaker array and can simultaneously emit sound signals from one or a plurality of radiation surfaces, avoid the problem that a sound field is not ideal due to high-frequency directivity, expand the sound field, broaden a sound image, enhance the stereo effect, further improve the overall sound effect of the device and lead the sound effect to be in line with music playback.

This invention discloses a process method for audio frequency of a monocase sound box including a receiver used in connecting to an audio output circuit and generating sound, a closed space is set in front of the receiver and the sound enters into the closed space and a sound hole of a back sound cavity connected with the closed space used in overlapping and outputting low audio frequency.

The improved earphone includes earphone body comprising casing with opening; multichannel loudspeakers with independent sound chambers; one cover with sound holes for the loudspeakers separately and one hood over the cover. The multichannel loudspeakers includes at least prepositive main channel one, central channel one and postpositive surround sound ones set separately in the proper positions of the independent sound chambers according to their characteristics. The earphone may be used to listen high-quality multichannel music owing to its no sound mixing, less distortion and homogeneously diffused sound pressure.

Embodiments of the invention provide a sound production device and electronic equipment. The sound production device comprises a vibration system, a magnetic circuit system, a shell and an antenna, wherein the shell comprises an installation part with at least one open end and a back cavity part which is correspondingly arranged on the outer side of the first side wall of the installation part andis used for forming a rear cavity; the magnetic circuit system and the vibration system are fixed in the installation part; a back sound hole communicating with a magnetic gap in the magnetic circuitsystem and the back cavity is arranged in the position, right opposite to the back cavity, of the first side wall; and the antenna is arranged on the back cavity. According to the embodiments of theinvention, the volume of the sound production device can be reduced while the acoustic performance is ensured, and the antenna can be integrated on the small-volume sound production device in order toimprove the integration level.

Method and related apparatus for canceling vocal portions containing in two signals of two stereo channels and providing two corresponding output signals. The method includes: generating a mono signal according to a sum of the signals of the stereo channels; respectively performing vocal cancellation to each signal of one stereo channel according to a difference between the signal of the stereo channel and the mono signal, and performing low-frequency band and high-frequency band compensation to results of vocal cancellation to generate the two output signals. Because vocal cancellation is performed for respective signal of one stereo channel, the two output signals will have substantial difference in frequency band other than the high-frequency band to increase effect of stereo.

The invention discloses a stereo playing method based on double devices. The method comprises steps: according to the time that a connection success determination sound sent by a second device reaches a left mic and a right mic, a first device determines a first sound track the first device plays and a second sound track the second device plays; and the first device plays the first sound track of a file and controls the second device to play the second sound track of the file. The invention correspondingly discloses a stereo playing method based on double devices and devices. By adopting the scheme of the invention, two independent devices are coordinated and matched for realizing stereo playing; as the distance between the two devices can be arranged reasonably, good stereo effects can be achieved and the user experience is improved; and no hardware needs to be added for stereo playing, realization is easy, the mains supply does not need to be connected externally, and the user experience is further improved.

The invention relates to a wireless Bluetooth headset of which signal antennas are built in ear hooks. The wireless Bluetooth headset comprises a left headset and a right headset. Both the left headset and the right headset comprise headset shell bodies, ear hooks and ear muffs. The ear hooks are hooked in groove of posterior surface. The ear muffs are plugged in ears. Master control PCB and loudspeakers are arranged in the headset shell bodies. The signal antennas are arranged in the ear hooks. Bluetooth transceiving modules and power supply modules are arranged in the master control PCB. The power supply modules are electrically connected with the Bluetooth transceiving modules. The Bluetooth transceiving modules are electrically connected with the signal antennas through leads. The signal antennas are arranged out of the headset shell bodies. According to the ear hook type Bluetooth headset, the structure design is reasonable; when the left headset and the right headset are worn on the ears, the good stereo effect can be obtained; the antennas are arranged out of the headset shell bodies; the signal antennas are isolated from a human body through a forking slot; the human body is avoided from directly contacting or closing the signal antennas to influence signal transmission; 25% of loss can be reduced; the signal transmission stability is ensured; and the application demand of a consumer can be satisfied.

The invention discloses an electronic device. The electronic device comprises a loudspeaker and further comprises a phase equalizer, wherein the phase equalizer is located outside the loudspeaker and is conical; the top end of the cone of the phase equalizer points to the mouth of the loudspeaker; a vibration diaphragm is arranged at the mouth of the loudspeaker; the bottom face of the cone is parallel with the plane where the vibration diaphragm is located; the distance between the top end of the cone and the center of the vibration diaphragm is the first distance length.

The invention discloses a sound channel switching method, a terminal and a computer-readable storage medium, belonging to the field of sound processing. The method comprises the following steps: whenthe video player is started, marking the left channel audio parameters and the right channel audio parameters of the terminal; detecting whether the terminal is flipped; interchanging the left channelaudio parameter and the right channel audio parameter when that terminal flip is detected. The scheme realizes the interchange of the left channel parameters and the right channel parameters when theterminal flips, and ensures the best stereo effect.

The present invention provides a television rotation sound box, including at least two sound boxes mounted on the rotary shafts of the two sides of the television, and a rotary device is provided between the sound box and the rotary shaft to ensure the sound box surround the rotary shaft to an angle and locate, wherein, the rotary shaft is provided with a vertical shaft and a horizontal shaft, the sound box rotates around the vertical shaft from left to right or around the horizontal shaft up and down, and the maximum angle of the sound box rotation is depend on the length of electric wire connected between the sound box and the television body. Thus, the television rotation sound box of the invention ensures the sound box rotate to a certain angle and locates according to the user needs by the c the combination of the rotary shaft and the rotary device, thereby improving stereophonic effect and delay effect, acquiring sound effect of user hobby.

Method and related apparatus for canceling vocal portions containing in two signals of two stereo channels and providing two corresponding output signals. The method includes: generating a mono signal according to a sum of the signals of the stereo channels; respectively performing vocal cancellation to each signal of one stereo channel according to a difference between the signal of the stereo channel and the mono signal, and performing low-frequency band and high-frequency band compensation to results of vocal cancellation to generate the two output signals. Because vocal cancellation is performed for respective signal of one stereo channel, the two output signals will have substantial difference in frequency band other than the high-frequency band to increase effect of stereo.

The present invention discloses an information processing method and electronic equipment. The method comprises the steps of modulating a first audio signal corresponding to a first sound channel in a first sound source file into a first ultrasonic signal to obtain a modulated first ultrasonic signal; modulating a second audio signal corresponding to a second sound channel in a second sound source file into a second ultrasonic signal to obtain a modulated second ultrasonic signal; sending a first ultrasonic wave corresponding to the modulated first ultrasonic signal to obtain a first sound signal corresponding to the first audio signal that can be heard by the ears of people after the first ultrasonic wave is reflected by a first reflective plane; and sending a second ultrasonic wave corresponding to the modulated second ultrasonic signal to obtain a second sound signal corresponding to the second audio signal that can be heard by the ears of people after the second ultrasonic wave is reflected by a second reflective plane. In this way, the technical effect of better stereo effect is realized.

The invention provides an audio playing method, a terminal and a computer readable storage medium. For defects of poor stereophonic sound effect and poor user experience of an existing double-loudspeaker terminal, by detecting a space position where the terminal is positioned currently and a relationship of an initial position of the terminal, respective displacement conditions of two loudspeakersare determined, and according to the displacement conditions, volumes of an audio played by the loudspeakers are respectively regulated. By implementation of the audio playing method, the terminal and the computer readable storage medium, the respective volumes of the loudspeakers are regulated according to the respective displacement conditions of double loudspeakers, so that adaptive regulationon the volumes of two loudspeakers in the double-loudspeaker terminal is implemented, a stereoscopic playing effect of the loudspeakers is obviously promoted, and user experience is improved.

The invention discloses a mobile terminal capable of realizing stereo, which comprises a first sound emitting element, a second sound emitting element, a third sound emitting element, a first power amplifier driving circuit, a second power amplifier driving circuit and an audio controller. The first sound emitting element and the second sound emitting element are connected in parallel with a firstpower amplifier driving circuit, and the third sound emitting element is connected with a second power amplifier driving circuit. The first sound emitting element and the second sound emitting element are disposed at the upper end of the mobile terminal in the longitudinal direction, and the third sound emitting element is disposed at the lower end in the longitudinal direction. The audio controller is configured to cause the first sound emitting element and the second sound emitting element to output a stereo left channel signal and to cause the third sound emitting element to output a rightchannel signal. According to the technical proposal of the invention, the stereo effect of the mobile terminal can be realized, so that the user can feel the stereo effect without the aid of stereo headphones or stereo and other auxiliary equipment every time, and the user experience can be improved.

A head-mounted device comprises a host, a rear cavity shell and a binding band, a loudspeaker is arranged on the side face of the first end of the rear cavity shell, the second end of the rear cavityshell is connected with one end of the shell of the host, and the first end of the rear cavity shell is connected with the binding band; the side surface of the rear cavity housing provided with the loudspeaker is located at the host side. According to the invention, the rear cavity shell is independent of the host; the rear cavity shell is arranged between the host and the bandage; a loudspeakeris arranged on the side surface of the first end of the rear cavity shell connected with the binding band; and the side surface is positioned on the host side, so that the loudspeaker is closer to theear of the user after the user wears the head-mounted device, and compared with the prior art, the high-frequency directivity and the left and right sound channel isolation can be improved to a certain extent, the product stereo effect is improved, and the user experience is further improved.

The embodiment of the invention provides a sounding device and electronic equipment. The sounding device comprises a vibration system, a magnetic circuit system and a shell; the shell comprises a mounting part having at least one end open and a rear cavity part which is correspondingly arranged on the outer side of a first side wall of the mounting part and is used for forming a rear cavity; the magnetic circuit system and the vibration system are fixed inside the mounting part; and a rear sound hole communicated with a magnetic gap in the magnetic circuit system and the rear cavity is configured in a position, directly facing the rear cavity, of the first side wall. The sounding device provided by the embodiment of the invention can have better performance while satisfying the small sizerequirement.

The invention provides a teaching-used electronic piano, which comprises a dust-proof cover, a connection shaft, a tablet computer, a positioning knob, a Bluetooth speaker, a speaker groove, an electronic piano body, a power supply groove, a combined power supply block, keys, a circuit board, a charging module and a charging hole, wherein the dust-proof cover is arranged at the upper part of the electronic piano body through the connection shaft; the tablet computer is fixedly arranged on the inner side surface of the dust-proof cover; the positioning knob is arranged at the outer end of the connection shaft; the Bluetooth speaker is arranged inside the speaker groove; the combined power supply block is arranged inside the power supply groove; and the keys are arranged on the upper side surface of the electronic piano body. due to the arrangement of the Bluetooth speaker, the combined power supply block and the dust-proof cover, the sound quality of the electronic piano is improved, the stereo effects are good, the teaching-used electronic piano can be used in a condition with no external power supply, use requirements of class teaching or outdoor teaching can be met, the structure is simple, the practicability is strong, and promotion and use are facilitated.

The invention discloses a miniature sound box. The miniature sound box comprises a body with built-in loudspeakers. The top of the body inclines downwards, and the side face of the body is in the shape of a cambered surface which protrudes outwards from the two ends to the middle gradually; the first loudspeaker and the second loudspeaker opposite to the first loudspeaker are arranged on the side face of the body, and the third loudspeaker is arranged on the top of the body. Because the first loudspeaker and the second loudspeaker opposite to the first loudspeaker are arranged on the side face, in the shape of the cambered surface, of the body and the third loudspeaker is arranged on the top, inclining downwards, of the body, sounds can be transmitted in three dimensions and a good stereophonic effect can be achieved.

The invention discloses a mobile electronic equipment and an audio playing device thereof. The audio playing device comprises a first audio player and a second player which are respectively used for playing a left channel audio and a right channel audio, a first audio receiver and a second audio receiver which are respectively used for receiving a first echo of the left channel audio and a second echo of the right channel audio in real time, a control unit which is used for compensating the left channel audio and the right channel audio according to the received first echo and the received second echo and controlling the first audio player and the second audio player for respectively playing the left channel audio after compensation and the right channel audio after compensation, and the left channel audio after compensation and the right channel audio after compensation can respectively counteract the first echo and the second echo. The audio playing device compensates the left channel audio and the right channel audio through receiving the echoes generated by the left channel audio and the right channel audio, can avoid asymmetry between the left channel audio and the right channel audio and enables a listener to have an excellent stereo feeling effect.