A hazard warning system-on-a-chip for closed earphones
An alarm system and closed technology, applied in the directions of alarms, handset/earphone accessories, earphone manufacturing/assembly, etc., can solve the problem of not being able to indicate the direction and degree of danger, achieve low computational cost, high detection accuracy, and ensure travel safety. Effect
Active Publication Date: 2022-03-11
HEAD DIRECT KUNSHAN CO LTD
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Problems solved by technology
However, this type of method can generally only be recognized when the vehicle in the environment is close to the horn, and cannot be recognized when the driver of the vehicle does not find the user of the closed earphone in time and does not whistle; and can only be prompted to the user of the closed earphone The existence of danger does not indicate the direction and degree of danger
Method used
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Embodiment 1
[0041] This embodiment provides a hazard alarm system chip for closed headphones, see figure 1 The chip is built into the headset, including:
[0042] Communication interface 1, there is a plurality of data channels for receiving a plurality of environments to detect the environment sound signals received by the microphone, and transmitting the environment sound signal to an analog digital converter;
[0043] The analog digital converter is used to transmit the environment sound signal after mode conversion to the core processor;
[0044] The core processor is used to extract audio features in the latter environment sound signal, identify potential threat vehicles and actual relative position, speed, and to estimate the travel trajectory of the potential threat vehicle, generate a display signal, when said When the trajectory invades the headset wearer safety range, generate alarm signal, pass the display signal and the alarm signal to the communication interface;
[0045] The com...
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The present invention proposes a danger alarm system chip for closed earphones, capable of receiving environmental sound signals received by multiple environmental detection microphones, extracting audio features in the processed environmental sound signals, and identifying potentially threatening vehicles and their Estimate the driving track of the potentially threatening vehicle, generate a display signal, and generate an alarm signal when the driving track violates the safety range of the earphone wearer, and send the display signal and the alarm signal to the display terminal in time To display and alarm. The chip of the present invention can adapt to complex traffic scenes; enable the earphone wearer to grasp detailed danger information; and can promptly remind both parties when there is a risk of collision, so as to ensure the travel safety of the earphone wearer to the greatest extent; low cost.
Description
Technical field [0001] The present invention relates to the field of headphones, in particular, to a hazard alarm system chip for closed headphones. Background technique [0002] Smartphones have greatly changed our lifestyle. Many pedestrians use smartphones while connecting, listen to music or watch videos through headphones. In this state, it is difficult to obtain environmental information other than the sound of the earphone. In particular, the widespread use of closed noise reduction headphones, which makes this situation, which invisibly brings many security hazards; for example, the car will make a whistle or create a certain noise when the car is close to the city street, and the closed headphones walking on the road. Users can only receive small danger sounds, even can't hear dangerous sounds, leading to the occurrence of personal safety events. Therefore, how to reduce the security hazards that can avoid closing headphones users who do not hear the dangerous sounds is ...
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IPC IPC(8): H04R1/10G10L25/51G08B21/24G08B5/38
CPCH04R1/1058H04R1/1083G10L25/51G08B21/24G08B5/38
Inventor 边仿
Owner HEAD DIRECT KUNSHAN CO LTD