6results about How to "Enhanced Stereo Effect" patented technology

The invention relates to the technical field of sound box synchronous playing, and discloses a Bluetooth earphone and sound box synchronous playing method and system supporting stereo synthesis, and the method comprises the steps: carrying out the digital sampling of an input audio signal, and obtaining high-frequency digital audio data and low-frequency digital audio data; performing scanning and stereo function identification on peripheral equipment based on a Bluetooth 5.0 protocol to obtain a target audio equipment list; distributing a main data buffer area and a standby data buffer area; distributing the high-frequency digital audio data to Bluetooth earphone equipment for transmission, distributing the low-frequency digital audio data to sound box equipment for transmission, and when detecting that clock drift among equipment exceeds a preset target value, adjusting a reading rate of a main data buffer area for clock synchronization to obtain an equipment synchronization state; and the signal gain and the equalization parameter of the equipment are dynamically adjusted, and the target synchronous playing audio is output, so that the accurate distribution of the high-frequency data and the low-frequency data is realized, and the overall playing effect of the system is improved.

The utility model relates to the field of sound box equipment, and especially relates to a portable sound box comprising a box body which is internally provided with a first loudspeaking module and a second loudspeaking module; a digital signal processing chip is arranged between the first output channel of the first loudspeaker module and the second output channel of the second loudspeaker module. The digital signal processing chip is used for processing the digital signal of the second output channel, transmitting the processed digital signal to the first output channel and transmitting the processed digital signal to the first loudspeaking module for outputting or processing the digital signal of the first output channel, transmitting the processed digital signal to the second output channel and transmitting the processed digital signal to the second loudspeaking module for outputting; wherein the digital signal processing chip comprises a signal delay module, a filtering module, a phase inversion module and a signal gain module which are connected in series.

The utility model discloses a microphone array support relates to audio equipment technical field, solves the problem of current microphone support adjustment complicated, stability and poor problem of vibration reduction. It includes: base, the length of main stem is telescopic adjustment, the lower extreme of main stem is connected with the connecting piece through universal ball head, so that the main stem can multidirectional partial swing, support assembly, wherein the support assembly includes main support, and the multiple sliding parts of array distribution on main support, the sliding part with the main support is for the interpenetration connection, and the collet for clamping microphone is hinged on every sliding part, and the collet has the flexible pad of facing the microphone. This microphone support design is used for fixing multiple microphones simultaneously, forms an array, thereby realizes 360 degrees all -round sound pickup, and the optimization stereo sound effect and sound source positioning are realized, and the position and angle of microphone are adjustable, and the support has the shock attenuation structure, reduces the influence of vibration to microphone.

The utility model belongs to the technical field of electro-acoustic conversion, and provides a double-sided sound production device and electronic equipment, and the double-sided sound production device comprises a housing assembly, a magnetic circuit system, a first vibration system and a second vibration system. The first vibration system comprises a first diaphragm assembly, a first centering disk and a first voice coil, the first voice coil is provided with a first side and a second side which are oppositely arranged, a lead of the first voice coil is located on the first side, the first centering disk comprises a plurality of disk structures arranged on the first side and the second side, the disk structure located on the first side comprises a first copper foil layer, and the disk structure located on the second side comprises a second copper foil layer; the support chip structure on the second side is composed of a first base material layer; the second vibration system comprises a second vibrating diaphragm assembly, a second centering disk and a second voice coil. The second centering disk is located between the second vibrating diaphragm assembly and the second voice coil. According to the double-sided sounding device provided by the utility model, the support chip structure which is not electrically connected with the first voice coil lead is designed into a structure without a copper foil layer, so that the production cost of the first centering support chip is greatly reduced.

The utility model discloses a stereo bluetooth sound box possessing a woofer and a tweeter, comprising a sound box housing, a woofer, a tweeter, a passive radiator and a master control PCBA circuit board, a sound box inner cavity is arranged in the sound box housing, the woofer and the tweeter are arranged at the front end of the sound box housing and face the front, and the passive radiator is arranged in the sound box inner cavity. The passive radiator is installed at the rear end of the sound box shell and faces the back, the woofer, the tweeter and the passive radiator are respectively back to the sound box inner cavity, the master control PCBA circuit board is installed in the sound box shell, and the master control PCBA circuit board is respectively and electrically connected with the woofer and the tweeter. According to the utility model, treble and bass frequency division processing of audio signals can be realized, and the sound effect and the stereophonic effect of the sound box are improved; the passive radiator provided by the utility model can enable the sound box to have a surround sound effect, can eliminate the disturbance of airflow in the inner cavity of the sound box, improves the overall sound quality of the sound box, and especially improves the bass sound quality effect.

The invention provides electronic equipment, and relates to the technical field of terminals. The electronic equipment comprises a main board, a supporting piece and a first loudspeaker core, the main board comprises a first opening; the supporting piece comprises a fixing part and a supporting part; the fixing part comprises a first side and a second side, the first side is connected with the main plate and adjacent to the first opening, and the second side extends in the direction away from the main plate; the supporting part comprises a third side and a fourth side, the third side is connected with the second side, and the fourth side extends in the direction close to the axis of the first opening; the first loudspeaker core is arranged in the first opening and is clamped with the support member. According to the electronic equipment provided by the invention, the open cavity can be provided for the first loudspeaker core based on the cooperation of the internal parts, so that the internal space of the electronic equipment is saved, and the electronic equipment can meet the light and thin requirements.