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--- doc:appunti:linux:audio:audio_recording_usb_adapter [2020/12/28 17:17] – created niccolo
+++ doc:appunti:linux:audio:audio_recording_usb_adapter [2020/12/28 17:18] (current) – [Audio recording with wireless mic and USB adapter] niccolo
@@ Line 1: / Line 1: @@
 ====== Audio recording with wireless mic and USB adapter ======
-We tried and **Ugreen USB audio adapter**. The device is detected by the Linux Kernel 4.9.0 in this way:
+{{ ugreen-usb-audio.jpg?direct&220|Ugreen USB Audio Adapter}}
+We tried and **Ugreen USB audio adapter**.
+The **microphone socket** is a **3.5 mm TRS type** (three poles), it provides a bias current of **2.6 V** on both the **tip** and the **ring**, so it is advisable, as reported in the device manual, to **NOT use a simple two poles mono jack** (TS type), because it will short-circuit the bias current on the ring with the ground on the sleeve.
+The device is detected by the Linux Kernel 4.9.0 in this way:
 <code>
@@ Line 16: / Line 21: @@
 </code>
-{{ ugreen-usb-audio.jpg?direct&220|Ugreen USB Audio Adapter}}
-The **microphone socket** is a **3.5 mm TRS type** (three poles), it provides a bias current of **2.6 V** on both the **tip** and the **ring**, so it is advisable, as reported in the device manual, to **NOT use a simple two poles mono jack** (TS type), because it will short-circuit the bias current on the ring with the ground on the sleeve.
 ===== Setting volume with ALSA =====