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Screenbits captures audio from 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]]. == Recording Devices Input and output audio ==You Screenbits uses general terms for the audio sources which it can record capture. The term ''output audio'' refers to the audio which is generated by the system and provided to an external device. This is usually the system sound which you can hear from any recording speakers or playback headphones. In contrast, ''input audio'' refers to the audio generated by an external device or both. This includes , 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 of speakersonly contains audio, and [[Recorder|recorder]] produces audio files. Select an audio device by #From the application window, click '''Primary Audio''' or button under ''Mode''section.#Under 'Secondary Audio'Source'' button in Main Viewsection, enable at least one of the input or audio devices to capture. [[File:Playbackcapture_mode-devicesaudio.png|frame|left|Figure 1: Playback Audio Capture (PrimaryAudio capture mode) devices]]

 === 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: Recording Audio capture (SecondaryScreen capture mode) devices]]

To enable recording == Input mode ==You can choose the input mode for capturing audio from an input audio device such as a playback device (emicrophone.g. Speakers)Currently, two input modes are available:#In the main view, click ''Open-mic'Primary Audio'and '' button Push-to -talk''. In open primary -mic mode, the input audio menu.#Turn '''Record primary gets captured continuously while in push-to-talk mode, input audio''' switch gets captured only when the specified push-to-talk key onkeyboard is pressed.#Click '''Record''' button You can use push-to-talk mode to start recordingcapture your voice only when you speak.

To enable recording a recording device (e.g. Microphone):#In From the main view[[Getting_started#Application_window|application window]], click '''Secondary AudioInput audio options''' button next to open secondary the input audio menu.#Turn switch under ''Options'' or ''Audio''section to open 'Record secondary 'Input audiooptions''' switch on.#Click Select the desired input mode from '''RecordInput mode''' button to start recordingselector.

=== Notes ===*You can select the device to record if you do not want to record the default device[[File:Input-audio-options.png|frame|left|Figure 3: Input audio options]]*List of the devices may vary depending on your hardware.*If both primary and secondary devices are selected, Screenbits mixes both audio streams into a single audio track.<br clear=all>

== Output format Volume ==Screenbits encodes recorded uses system volume settings to capture audio using AAC codec, allows you devices. You can use ''Settings'' app to configure bit-rate, sample-rate change volume for output and number of channels for itinput 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.

To change format of the output audio[[File:#Select '''Settings''' from '''Record''' menu to open ''Settings'' dialogSystem-sound-settings. #Click '''Audio''' from the side bar to open ''Audio'' png|frame|left|Figure 4: System sound settings.]]#From ''Output format'' section, select the desired bit-rate, sample-rate and number of channels for the output audio.<br clear=all>

Screenbits supports recording devices with the following audio formats for the inputto capture:

* 8kHz, 11.025kHz, 16kHz, 22.5kHz05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz and , 176.4kHz, 192kHz sample rates

If you attempt to record capture an audio device with an unsupported format, an error message pops up asking you to select a different format for the device.

#Select Click '''SettingsStart''' to open ''Start Menu''.#Click '' from 'Settings'Recording'' menu to open ''Settings'' viewapp.#From Click '''System'Input'' section under the to open ''AudioSystem'' tab, click settings.#Click '''ConfigureSound''' to open 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 the ''Playback'' or ''Recording'' tab and click '''Properties'''.

 [[File:Audio-format.png|frame|left|Figure 25: Audio Format - Sound settings]]