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Screenbits can record captures audio from any output and input audio devices. You can capture audio either individually in audio capture mode or add it to the captured video when 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 including . This 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 speakers (is provided as an input to the system sound). == 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 input or audio devices to capture. [[File:Playbackcapture_mode-devicesaudio.png|frame|left|Figure 1: Output devicesAudio Capture (Audio capture mode)]]
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=== 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:RecordingAudio-devicescapture.png|frame|left|Figure 12: Input devicesAudio capture (Screen capture mode)]]
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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 enable recording an change the input device (e.g. Microphone)mode:#From the application window, under ''Audio'' section, click '''Input output''' button to open input audio menu.#Turn '''Record input audio''' switch on.#Click '''Record''' button to start recording.
#From the [[Getting_started#Application_window|application window]], click '''Input audio options''' button next to the input audio switch under ''Options'' or ''Audio'' section to open ''Input audio options''.#Select the desired input mode from '''Input mode''' selector. [[File:Input-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 4: System sound settings]]<br clear=all> = Notes =Supported formats ==Screenbits supports devices with the following audio formats to capture: *You can 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 change the default format of an audio device: #Click '''Start''' to record if you do not want 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 record open ''Sound'' control panel.#Right click on name of the default devicein list under ''Playback'' or ''Recording'' tab and click '''Properties'''.*List #From ''Default Format'' section under the ''Advanced Tab'' select one of the devices may vary depending on your hardwaresupported 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>