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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 ' button in 'Input audio options''.#Select the Main Viewdesired input mode from '''Input mode''' selector. [[File:AudioInput-audio-devicesoptions.png|frame|left|Figure 13: Audio DevicesInput audio options]]
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== Supported formats ==
Screenbits supports devices with the following input audio formatsto capture:
* 44100hz 16bits 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* 44800hz 16bits stereo16, 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 change the default format of an audio device: #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 ''Related Settings'' to open ''Sound'' control panel.#Right click on name of the device in list under ''Playback'' or ''Recording'' tab and click '''Properties'''.#From ''Default Format'' section under the ''Advanced Tab'' select one of the supported formats above.#Click '''OK''' to apply changes to the device properties [[File:Audio-format.png|frame|left|Figure 5: Audio Format - Sound settings]]<br clear=all>