I have Oppo A53. The 3.5mm jack did not work properly so I bought a USB type C to 3.5mm converter, but this is also not working with my phone which is running on Android 12.
Does anyone know how to solve this problem?
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Note that not all devices and/or converter dongles play nice. Here's an excerpt from an article by CableMatters.com to this regard:
...The biggest problem with USB-C audio is its lack of standardization, which is ironic considering USB-C’s purpose is to standardize USB connection types. The problem lies not with the USB-C specification, but with the companies that design smartphones, dongles, and headphones. Here’s why this can be such a confusing mess: (Note that the remainder of this article will only reference USB-C headphones. Keep in mind that the same principles apply to USB-C dongles as well.)
Some smartphones send audio data through an onboard DAC (usually embedded in the phone’s processor) before sending it out through the USB-C port. If this is the case, almost any pair of USB-C headphones will work. If the audio stream is converted to an analog signal before it goes through the USB-C port, then connected headphones do not need their own DAC. These are known as “passive” headphones.
However, some devices send audio data through the USB-C port as a digital signal. As such, connected headphones will need their own onboard DAC and amp to convert the audio stream from a digital format to an analog format. USB-C headphones with an onboard DAC/amp combination are known as “active” headphones...
Also note, there may be configuration-side factors to consider, e.g., the
Disable USB audio routing setting in developer options (formerly known as
allow USB audio pass-through, if I remember correctly). This may vary depending on your specific make, model, and Android version.