41 results about "Car audio system" patented technology

This invention provides a car seat headrest speaker, including a microcontroller, a digital signal processor, a power amplifier chip, and two pins. The power amplifier chip is connected to a speaker and the digital signal processor; the digital signal processor is connected to the microcontroller; and the microcontroller has a Bluetooth transceiver. The speaker is detachably connected to the car seat headrest. The two pins connect to the vehicle's infotainment system, through which the microcontroller receives CAN protocol signals and controls the Bluetooth transceiver to enter TWS pairing mode based on the CAN protocol signals. This invention achieves multi-scenario speaker use through a detachable design and utilizes physical pins to transmit CAN bus signals to activate TWS pairing, solving the problems of existing car audio systems being non-detachable and limited in use scenarios. While ensuring driving safety, it enhances the auditory immersion and interactive experience for drivers and passengers.

This utility model discloses a car audio system, which includes a speaker assembly and a decorative opening and closing mechanism. The speaker assembly includes a support base and a speaker. The support base includes a housing, and the speaker is disposed inside the housing. The decorative opening and closing mechanism includes a trim assembly and an opening and closing drive assembly. The trim assembly includes multiple protective trim pieces, which are circumferentially arranged around the housing and rotatably mounted on the housing. The opening and closing drive assembly is driven by the multiple protective trim pieces and drives them to rotate between an open and closed state. When rotated to the closed state, the multiple protective trim pieces can house the housing within them. The protective trim pieces serve both decorative and protective functions, effectively preventing the housing from being directly damaged by external impacts, ensuring the sound quality and aesthetics of the car audio system, and preventing dust and moisture from entering the housing, thus extending the lifespan of the car audio system.

1. Name of the product in this design: Car Audio System (SB4001). 2. Purpose of this design: For use as a car audio system. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

An inverted magnetic circuit ultra-thin car horn includes a frame, a spider, a diaphragm, a voice coil, a suspension system, and a magnetic circuit system. The magnetic circuit system includes a main magnet, a secondary magnet, a U-shaped iron, a washer, and a bullet-shaped head. The magnetic circuit system is inverted and installed above the suspension system, and is fixed by screws. The frame is made of die-cast aluminum and supports the suspension system and the magnetic circuit system. The suspension system includes a spider, a diaphragm, and a voice coil, and the voice coil is spaced with the magnetic circuit system to drive sound production. The installation depth of the horn is less than 43mm. This utility model has a novel structure and ingenious design. By installing the magnetic circuit system above the suspension system with an inverted magnetic circuit structure, it breaks through the traditional height limitation of "suspension system + magnetic circuit system" for horns, meeting the needs of scenarios with strict requirements for installation depth, such as ceiling speakers, wall speakers, and car audio systems.

1. Name of the designed product: car audio (156 rotating tweeter). 2. Use of the designed product: used as a player inside a vehicle. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view 1.

1. Name of this design product: Car audio housing (subwoofer). 2. Purpose of this design: For use in car audio enclosures. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

An emulation system (e.g., 100) and method for emulating a listener's audio experience of a candidate loudspeaker speaker system in an acoustic (e.g., residential) space (e.g., 102) includes acquiring binaural impulse responses associated with that listening experience generating associated binaural impulse response ("BIR") filters, and applying them in real time to any user-selected program material for playback over specially prepared headphones (e.g., 900). Headphone listening "modes" may be offered to listeners which emulate the speaker-room experience, and headphones so prepared may be offered to prospective customers of the candidate loudspeaker system (112) whose in-room performance has been emulated. In another embodiment, binaural recordings of automotive audio systems may be used for emulating such systems over headphones.

1. Name of the product in this design: Car audio (5247). 2. Application of this design: This design is intended for use in car audio systems. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model provides a lifting support of a vehicle-mounted sound system, which comprises a shell, a driving seat installed in the shell in a lifting mode and a lifting platform located on the upper side of the shell and connected with the driving seat, guide rods used for guiding the driving seat are symmetrically installed in the shell, guide sleeves are symmetrically installed on the driving seat, and the lifting platform is connected with the guide rods. The guide rods are arranged in the corresponding guide sleeves in a penetrating manner; a containing groove is formed in the driving base in a penetrating mode, the guide sleeve is arranged in the containing groove, a gap is formed between the guide sleeve and the inner wall of the containing groove, the guide sleeve is sleeved with an elastic component, and the elastic component abuts against the inner wall of the containing groove under the action of elastic force. The lifting support of the vehicle-mounted sound equipment overcomes the defects that an existing lifting support of the vehicle-mounted sound equipment is prone to shaking and noise, and the guide rod is prone to being clamped.

1. Name of the product in this design: Lifting Speaker (Wenjie M9). 2. Purpose of this design: For use in car audio systems. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. Name of this design: Car dashboard liftable speaker cover. 2. Purpose of this design: Cover for car audio systems. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application discloses a detachable vehicle-mounted sound system and a vehicle, and the detachable vehicle-mounted sound system comprises a position detection module, a microprocessor, a digital signal processing module, a power amplifier, a signal switching module and a loudspeaker. The position detection module is used for detecting whether the sound system is in a vehicle-mounted installation state; the microprocessor is in communication connection with the position detection module and is used for determining a current interaction scene according to an output signal of the position detection module and a vehicle control instruction and outputting a scene control signal; the digital signal processing module is connected with the microprocessor and is used for loading a corresponding sound effect processing algorithm according to the scene control signal and processing an audio signal; the power amplifier is connected with the digital signal processing module and is used for amplifying the processed audio signal; the signal switching module is used for switching an audio signal path according to the scene control signal; and the loudspeaker is used for playing the audio signal.

A wireless audio device may include a transmitter unit configured to be installed in a vehicle and electronically coupled with a head unit in the vehicle. The transmitter unit may receive audio signals from the head unit and may be powered by the vehicle. The transmitter unit may include wireless communication circuitry to wirelessly transmit at least a portion of the audio signals to one or more battery-powered speaker units. At least one of the battery-powered speaker units may include additional wireless communication circuitry to receive the audio signals from the transmitter unit, one or more amplifiers to amplify the audio signals, and one or more speakers to produce sound based on the audio signals.

The invention provides an automobile audio system control method and an audio system.The automobile audio system control method comprises the steps that when the automobile audio system control method is executed, current driving condition information of an automobile is obtained firstly, and the current driving condition information comprises energy state information and road condition information; after the energy state information and the road condition information are integrated, the cruising ability of the automobile can be reflected more accurately, that is, the current cruising ability information of the automobile is determined according to the energy state information and the road condition information. According to the current cruising ability level, the current cruising ability information is represented by the cruising ability level and is divided into the normal level and the limit level, the normal level means that energy capable of being distributed to an automobile audio system to play audios is sufficient, the current cruising ability level of an automobile is high, and the audios are controlled to be played normally. Audio playing is not limited; the limit level means that energy which can be distributed to an automobile audio system to play audios is insufficient, the current cruising ability level of an automobile is low, and the playing power of the audios needs to be limited.

Embodiments of the present application provide a movable vehicle-mounted sound system, a vehicle and a vehicle-mounted sound control method. The movable vehicle-mounted sound system comprises at least one detachable mid-high sound module and at least one detachable bass module, the mid-high sound module comprises a mid-high sound speaker and a first combination structure, and the bass module comprises a bass speaker and a second combination structure; the mid-high sound module has a vehicle-mounted state connected with the vehicle through the first combination structure, the bass module has a vehicle-mounted state connected with the vehicle through the second combination structure, and the bass module and the mid-high sound module also have an off-vehicle state connected with each other through the first combination structure and the second combination structure; and the system further comprises: a receiving module for receiving an audio signal and a control signal; and a control module for generating a control instruction according to the control signal to drive the bass speaker and / or the mid-high sound speaker to play the audio signal when the bass module and the mid-high sound module are in the off-vehicle state.

1. Name of the product in this design: Car Audio System (MT4300). 2. Purpose of this design: For use in car audio systems. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

An in-car audio system, may include at least one vehicle speaker arranged in a vehicle headrest behind an occupant and configured to transmit audio signals to the associated occupant, the at least one vehicle speaker including a pair of speakers configured to provide binaural audio signals to the associated occupant; at least one visual indicator arranged within a vehicle cabin at a first location and configured to provide a visual cue to the occupant; a processor programmed to instruct the speaker to emit an audio signal perceived at the first location, and instruct the at least one visual indicator to concurrently illuminate with the audio signal to provide visual reinforcement to the occupant that the audio signal perceived is associated with the first location.

1. Name of the product in this design: Rotary tweeter for automobiles (Passat). 2. Application of this design: This design is intended for use in car audio systems. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides a recognition method and system for a sound mode of an automobile sound system, and is applied to the technical field of sound recognition. Sound signals in an automobile are collected and processed to obtain a sound mode judgment result and a judgment reliability index; meanwhile, vehicle running state information and in-vehicle environment noise information are obtained to evaluate environment stability and quantify the environment stability into an environment stability index, then a mode switching decision threshold value is dynamically adjusted according to a judgment reliability index and the environment stability index, and whether sound mode switching is conducted or not is determined according to the threshold value. The problem that in the prior art, sound mode recognition is easily interfered by the complex environment in the automobile, and misjudgment is caused is effectively solved, and the method has the advantages that the accuracy, robustness and user experience of sound mode recognition of the automobile sound system are remarkably improved.

This patent application deals with a wireless audio distribution system, and means of connecting these systems via Bluetooth, with a master transmitter system and one or more slave receiver systems for this audio distribution, so as to generate a synchronized audio transmission and without the need for wires. This system is intended for use in car audio systems, more specifically in audio synchronization for multiple audio players.

The invention provides an audio signal transmission system, an audio signal transmission method and an automobile. The audio signal transmission system comprises a central computing unit and a plurality of zone controllers; the central computing unit at least comprises a host and a bus master node; the zone controller at least comprises bus slave nodes, and each bus slave node is connected in series to the bus master node through an audio bus; the bus master node is used for converting an audio signal generated by a host into a differential signal so as to sequentially transmit the differential signal to each bus slave node through an audio bus; and the bus slave node is used for receiving the differential signal and driving the local audio equipment. According to the invention, electromagnetic interference can be suppressed by utilizing the characteristics of the differential signals, so that the tone quality is remarkably improved, and better auditory experience is brought to a user; and one audio bus is adopted for signal transmission, so that the integrity of the signals in the transmission process can be ensured, a stable and high-quality signal source is provided for an automobile audio system, normal transmission and use of various types of signals are ensured, and the tone quality is further ensured.

1. Name of the product in this design: Car Audio System. 2. Application of this design: Suitable for car, outdoor, and home audio systems, with electronic air fresheners and electronic mosquito repellent liquid. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention provides a method for implementing car audio effects based on a real performance venue model. The method includes: S1: placing a sound source to be tested in the target performance venue, and setting up at least two sets of performance venue test points with the sound source to be tested as the origin, collecting the performance venue impulse response at each performance venue test point, and forming an original acoustic signal; S2: processing the original acoustic signal to obtain a standardized acoustic signal; S3: controlling the car audio system in the car cabin to play the test sound, setting up at least two sets of cabin test points in the car cabin, and collecting and obtaining the cabin impulse response; S4: extracting the performance venue impulse response and the cabin impulse response, calculating and obtaining the target impulse response; S5: calculating the target audio signal y(t) by performing a convolution operation between the standardized acoustic signal and the target impulse response; S6: adjusting the sound effect parameters of the target audio signal and playing it through the car audio system in the car cabin.

The present application relates to a system and method for controlling light with music, and a car system. The system comprises a music analysis unit configured to analyze rhythm and content of music, and a light control unit configured to dynamically control at least one of color, brightness, and rhythm of change of color and brightness of light emitted by a light emitting component based on the analysis of the rhythm and content of the music. Embodiments of the present application can achieve better integration between light, music and scene, and provide users with improved audio-visual experience.

1. Name of the product in this design: Intelligent Rotating Center Speaker for Cars (L9). 2. Purpose of this design: For use in car audio systems. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention discloses an integrated molding device for plastic cones in car audio systems, relating to the field of cone injection molding technology. It includes a fixed mold, a moving mold, and a split mold ring. The fixed mold has a cone cavity and an edge cavity sequentially formed from the inside out. The split mold ring is composed of several arc rods and can be inserted into annular groove one and annular groove two. An upper mold ring that can be raised and lowered is located inside annular groove one, and an electromagnet is located inside the upper mold ring to attract the split mold ring. A lower mold ring that can be raised and lowered is located inside annular groove two. This invention uses a mold with two injection cavities, one for injection molding the plastic cone body and the other for injection molding the rubber edge. The connection between the plastic cone body and the rubber edge is a wrap-around design, meaning the rubber edge is wrapped around the plastic cone, ensuring a seamless connection between the cone body and the rubber edge, improving the quality of the integrated injection molding and increasing the connection strength of the rubber edge.

1. Name of the product in this design: Retractable Bluetooth Transmitter. 2. Application of this design: This design is used in automobiles to transmit Bluetooth audio signals to the car audio system, enabling wireless music playback or call functions; and to provide charging functionality for mobile phones, tablets, computers and other devices. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

1. Name of the product in this design: Car Audio System (ZZ2501). 2. Purpose of this design: For use as a car audio system. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

The invention discloses a vehicle-mounted sound system fine calibration method based on a critical frequency band and a stereo imaging sound layer model. The method is based on an innovative'imaging sound layer 'psychological acoustic model, and the core of the method comprises the following steps: collecting a dual-track acoustic response in a vehicle; based on an ERB model, dividing an analysis sub-frequency band corresponding to an imaging sound layer, and identifying a miscoordination target frequency band by calculating an energy difference; and asymmetrically adjusting the parameters of the other sound channel by taking a single sound channel as a fixed reference so as to reduce the deviation. According to the method, an automatic progressive double-ring calibration strategy is preferably adopted, correction is completed in combination with a sine wave probe and a fine step length, and the sound field quality is ensured through objective verification and subjective acceptance. In addition, a parameter prediction model optimization mechanism based on an expert sample library is introduced, so that the system has a continuous optimization capability. According to the method, the calibration process is deeply aligned with the auditory characteristics of human ears, the problem of sound image blurring in the complex acoustic environment of the automobile cabin is effectively solved, and the immersive high-fidelity experience is remarkably improved.

A signal processing method and Automotive Audio System 290 comprising a tripolar loudspeaker configuration housed in at least one automotive head-rest assembly 200 or 500, whose radiation pattern, in conjunction with inter-element delays and other design features, is such that that passengers are afforded temporal and amplitude cues for achieving the desired soundfield appropriate for a variety of audio program material. Optionally, some or all of the headrest assembly transducers are aligned and configured with a Floating Waveguide member 470.