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Screenbits captures audio from output and input audio devices. You can record capture audio either individually in audio from any recording capture mode or playback device on add it to the recorded captured videowhen using other [[Capture_mode|capture modes]]. == Input and output audio ==Screenbits uses general terms for the audio sources which it can capture. The term ''output audio'' refers to the audio which is generated by the system and provided to an external device. This includes is usually the system sound which you can hear from speakers or headphones. In contrast, ''input audio'' refers to the audio generated by an external device, usually a microphone , and is provided as an input or to the system. == Audio capture mode ==In audio capture mode, audio devices are the only capture source so the output only contains audio, and [[Recorder|recorder]] produces audio files.#From the application window, click '''Audio''' button under ''Mode'' section.#Under ''Source'' section, enable at least one of the speakersinput or audio devices to capture. [[File:capture_mode-audio.png|frame|left|Figure 1: Audio Capture (Audio capture mode)]]<br clear=all> === Notes ===*You can manually choose a specific device to capture rather than the default device. == Other capture modes ==To capture audio in a capture mode other that audio capture mode:#From the [[Getting_started#Application_window|application window]], under ''Options'' section, turn '''Output audio''' or '''Input audio''' switch on. [[File:Audio-capture. Select png|frame|left|Figure 2: Audio capture (Screen capture mode)]]<br clear=all> == Input mode ==You can choose the input mode for capturing audio from an input audio device by such as a microphone. Currently, two input modes are available: ''Open-mic'' and ''Push-to-talk''. In open-mic mode, the input audio gets captured continuously while in push-to-talk mode, input audio gets captured only when the specified push-to-talk key on keyboard is pressed. You can use push-to-talk mode to capture your voice only when you speak. To change the input mode: #From the [[Getting_started#Application_window|application window]], click '''Input audio options''' button next to the input audio switch under ''Options'' or ''Audio Device'' section to open ''Input audio options'' button in .#Select the Main Viewdesired input mode from '''Input mode''' selector. [[File:AudioInput-audio-options.png|frame|left|Figure 3: Input audio options]]<br clear=all> == Volume ==Screenbits uses system volume settings to capture audio devices. You can use ''Settings'' app to change volume for output and input audio:#Click '''Start''' to open ''Start Menu''.#Click '''Settings''' to open ''Settings'' app.#Click '''System''' to open ''System'' settings.#Click '''Sound''' to change sound settings. [[File:System-sound-settings.png|frame|left|Figure 14: Audio DevicesSystem sound settings]]

== Supported formats ==Screenbits supports devices with the following audio formats to capture: * 8kHz, 11.025kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz sample rates* 1 (mono), 2 (stereo), 4, 6 and 8 channels* 16, 24 and 32 bits per sample If you attempt to capture an audio device with an unsupported format, an error message pops up asking you to select a different format for the device.  To enable change the default format of an audio recordingdevice: #In the main view, click the Click '''Start''' to open ''Start Menu''.#Click '''Settings''' to open ''Settings'' app.#Click '''System''' to open ''System'' settings.#Click '''Sound''' to change sound settings.#Click '''Sound Control'''panel under 'Audio Device'Related Settings'' button to open ''Sound'' control panel.#Right click on name of the selection menudevice in list under ''Playback'' or ''Recording'' tab and click '''Properties'''.#Select an audio device from From ''Default Format'' section under the ''Advanced Tab'' select one of the selection menusupported formats above. #Click the '''RecordOK''' button to start recording.apply changes to the device properties

=== Notes ===*List of input devices may vary depending on your hardware.*To disable audio recording, select '''<none>''' from the selection menu.*You may change the bit-rate of recorded audio from [Settings#[File:Audio-format.png|frame|left|Figure 5: Audio SettingsFormat - Sound settings].]<br clear=all>