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Why is there no sound from the dash cam?

2 Answers

AubreeAnn

07/28/25 7:40pm

There may be no sound from the dash cam because the recording switch is turned off, the microphone is damaged, or the speaker is damaged. Below is a related introduction to dash cams: A dash cam is an instrument that records images, sounds, and other relevant information during vehicle travel. After installing a dash cam, it can record the entire driving process of the car, including video images and sounds, providing evidence for traffic accidents. Different dash cam products have different appearances, but their basic components include: 1. Main unit: includes devices such as a microprocessor, data storage, real-time clock, display, lens module, operation keys, printer, and data communication interface. If the display and printer are not integrated into the main unit, there should be corresponding data display and print output interfaces. 2. Speed sensor. 3. Data analysis software. 4. Infrared camera, an essential component for night vision functionality. There are many dash cams on the market today, and differentiated products have evolved with market demands. The main configurations are no longer just basic recording functions. Many dash cams now come with navigation, some have radar detectors, some feature front and rear recording, and some include all these functions. Currently, the highest-end dash cam on the market is the smart cloud rearview mirror dash cam.

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VanAlexandra

08/12/25 12:36am

As a seasoned driver with years of experience, I've encountered the issue of dashcams having no sound several times, with the main culprit likely being the audio recording settings. Most dashcams have sound recording enabled by default, but it's easy to accidentally turn off the recording switch during manual operations, especially when switching modes in the settings menu and inadvertently hitting mute. Hardware issues are also common, such as microphones being blocked by dust or mud, preventing sound capture, or loose connection cables causing poor contact. In some cases, outdated firmware that hasn't been updated can lead to software bugs causing sound failures, so it's advisable to regularly check the app settings to ensure recording is enabled. A full or incompatible memory card can also prevent sound files from being recorded, so keeping a spare card for testing is a good idea. Not having sound while driving can affect evidence collection, making accidents even more troublesome, so if you notice no sound, address it promptly by restarting the device or cleaning the microphone. In short, start with basic checks to avoid the time and effort of sending the device back for repairs.

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