The principle of the usb microphone
The principle of the usb microphone is to put the usb sound card into the microphone. This microphone is a two-in-one sound card and microphone. When recording, after the microphone receives the sound, it is directly processed by the sound card in the microphone, converted from analog to digital, and then transmitted to the computer in the form of data through usb; of course, the high-end usb microphone can also monitor and play the sound on the computer. , Through the usb sound card, from digital to analog, transmitted to the headphone jack on the microphone body, you can listen to the sound.
The difference between the microphone usb interface and the 3.5 interface
The USB interface transmits digital signals, and the sound itself is an analog signal, then the microphone using the USB interface Not just a microphone, but also a built-in USB sound card. The 3.5mm interface transmits an analog signal, which needs to be converted into a digital signal by the internal sound card for processing.
The difference between a USB microphone and a standalone sound card
A USB microphone can only use a USB port. Without going through the sound card. It’s like a microphone outside of independence. Use a separate sound card to input those mic’s. It can be processed by a separate sound card. The effect and sound quality are much better. If you plan to sing. This is best to use a microphone with a separate sound card input.
What to do if the USB microphone is delayed
It is normal to use a USB microphone for a little delay. If the delay occurs during video chat, it may be related to the network. Relationship; the delay in recording is the problem of the sound card, and the performance of the sound card is not very high for ordinary notebooks; it is recommended that you try to connect an external USB microphone. Another situation is the driver problem, of course, it is also related to the processing power of the computer. ASLO drivers are professional sound cards, and generally non-professional sound cards will have problems.
Solution: If you are a Realtek sound card, first open the control panel, hardware and sound, then click realtek high-definition audio management; there is a row of small words on the pop-up window, Click on Device Advanced Settings. Then in the recording device selection card, select: “Separate all input jacks into separate input devices”, OK; then click on the microphone properties, and select Cancel listening. Other devices can use this method.
How to eliminate the current sound of the usb microphone
First make sure that the sound card driver is installed correctly, then right-click the small speaker in the lower right corner of the computer. Then click “Recording Device”. Under the recording item, right-click on the microphone and click “Properties”. Then select “2-channel, 16-bit, 48000HZ (DVD quality)” in Advanced. Then in the “Level” column, select the microphone boost to the minimum. Finally, in the “Enhancement”, tick all the “DC offset cancellation”, “noise suppression” and “echo cancellation”, and then click OK to get it done.
What to do if the sound of the USB microphone is low
Find the speaker icon in the lower right corner, right-click to select the recording device, and enter the microphone setting interface. Here you can see whether our microphone device is working, right-click the default microphone, select Properties; find the level option bar; in this option interface, you can adjust the volume of the microphone sound, and you can also enhance the sound intensity of the microphone; under the enhancement option bar, we can Select two options, Noise Suppression and Echo Cancellation, and click OK to save after setting.
