Use the built-in camera on Ubuntu

Using the built-in camera

On Ubuntu, you use the built-in camera by granting camera access and opening it in a camera application or a conferencing window. The camera appears as a video device. When the same unit includes a microphone, that microphone appears as a separate audio input. Select that input in system sound settings and in the application that is sending or recording voice when you want speech captured from the webcam. Desktop menu names differ by Ubuntu version and by desktop environment; exact click paths need to be checked on the release you are running.

Speech capture with a webcam microphone

Speech capture means the chosen audio input is picking up your voice at a usable level. An input device is the microphone the computer is listening to. The webcam microphone is one such device when the hardware exposes it. Conferencing apps can use the live camera for video and a different microphone for voice at the same time, so the voice that is recorded or transmitted is the input selected for audio. Confirm that choice with the input level meter in the steps below.

Prerequisites

• An Ubuntu graphical session with permission to use the camera.
• A camera or meeting application that can show a video preview.
• Access to the system sound input list, and to the same list inside the conferencing or recording app.
• A webcam that actually includes a microphone, if the goal is to capture speech from that unit.
• A clear path to the mic (open shutter, unblocked grille) and a speaking distance suited to conversational voice.

Steps to use the camera and its microphone

• Confirm the camera is powered and that any privacy shutter or keyboard camera toggle is open.
• Grant camera access in the desktop privacy or application-permission settings if the session asks for it or if the preview stays black.
• Open a camera application or a conferencing window and start the video preview so a live image shows that the built-in camera is the active video source.
• Open the system sound settings and find the input-device list (often under Sound and Input). Each available microphone appears with a system label; choose the label that matches the webcam microphone when that is the source you want for speech.
• Open the conferencing or recording app’s own microphone or audio settings and select the same device name. Many apps keep an independent input choice, so the in-app selection needs to match the system selection.
• Speak at a normal conversational level and watch the input level meter in sound settings or in the app.

Check that the intended input is capturing speech

The observable check is the input level meter. Speak a short sentence, then pause. The meter should rise with your voice and settle when you stop. A live picture with a still meter means video is working and the selected audio input is missing that speech: choose the webcam microphone in both the system list and the app list, then repeat the spoken check. Use a local test recording or in-app playback when the application provides one, and ask a meeting participant whether the voice is intelligible.

Judging voice quality

Without laboratory measurements, judge quality with a short spoken test. Record or send a few sentences, then play them back. Speech should be intelligible at a normal distance from the camera. If the meter moves only when you are very close, move closer or raise the input volume in sound settings. If the meter stays high in silence, lower the input volume or reduce nearby fan and keyboard noise. These are listening checks. Measured specifications for the built-in camera microphone are not supplied here.

Version-specific controls

Exact labels such as Sound, Input, Privacy, and Camera sit in different places on GNOME, KDE Plasma, and other Ubuntu desktops, and they have changed between releases. The available evidence requires those paths to be verified for the relevant version before they are given as exact clicks; this article therefore gives the settings to look for rather than a single menu trail. On the Ubuntu version you are running, use the desktop settings search for camera and for sound or input. Browser meetings and dedicated conferencing clients also differ: open each app’s audio settings and match the microphone name already chosen at system level.