# what is bus in fmod？I don't know some terms in fmod as a rookie **URL:** \ **Category:** FMOD Studio\ **Created:** [July 26, 2015, 4:21pm UTC](https://qa.fmod.com/t/what-is-bus-in-fmod-i-dont-know-some-terms-in-fmod-as-a-rookie/11997 "2015-07-26T16:21:52Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![xushp](https://avatars.discourse-cdn.com/v4/letter/x/ac91a4/32.png) [@xushp](https://qa.fmod.com/u/xushp)\ **Post date:** [July 26, 2015, 4:21pm UTC](https://qa.fmod.com/t/what-is-bus-in-fmod-i-dont-know-some-terms-in-fmod-as-a-rookie/11997/1 "2015-07-26T16:21:52Z")
recently！I am learning about unity integration of fmod. When I browse document about fmod？ I was confused with several words：bus,channel,vda,dsp. It’s so kind of you to answer this question? ---
**Author:** ![joseph](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/joseph/32/264_2.png) [@joseph](https://qa.fmod.com/u/joseph)\ **Post date:** [July 27, 2015, 4:02am UTC](https://qa.fmod.com/t/what-is-bus-in-fmod-i-dont-know-some-terms-in-fmod-as-a-rookie/11997/2 "2015-07-27T04:02:13Z")
> [@](#): > > recently！I am learning about unity integration of fmod. > When I browse document about fmod？ I was confused with several words：bus,channel,vda,dsp. > It’s so kind of you to answer this question? To clarify, are you asking for definitions of those four words? ---
**Author:** ![xushp](https://avatars.discourse-cdn.com/v4/letter/x/ac91a4/32.png) [@xushp](https://qa.fmod.com/u/xushp)\ **Post date:** [July 27, 2015, 7:49am UTC](https://qa.fmod.com/t/what-is-bus-in-fmod-i-dont-know-some-terms-in-fmod-as-a-rookie/11997/3 "2015-07-27T07:49:23Z")
Yes! Especially bus! ---
**Author:** ![Micha](https://avatars.discourse-cdn.com/v4/letter/m/c37758/32.png) [@Micha](https://qa.fmod.com/u/Micha)\ **Post date:** [July 31, 2015, 11:44am UTC](https://qa.fmod.com/t/what-is-bus-in-fmod-i-dont-know-some-terms-in-fmod-as-a-rookie/11997/4 "2015-07-31T11:44:42Z")
Bus, Channel and VCA are components of the mixer in Fmod Studio. This mixer imitates hardware mixing desks like they have been used for decades in recording studios. For explainations, you could read this: > **[How to Use an Audio Mixer (soundboard)](https://www.instructables.com/id/How-to-use-an-audio-mixer-soundboard/)** > > How to Use an Audio Mixer (soundboard): In this instructable I am going to go through all the control features found on most mixers (mixing consoles, mixing desks, audio consoles, soundboards - they all refer to the same thing). I will start with the... DSP stands for Digital Signal Processing: > **[Digital signal processing](https://en.wikipedia.org/wiki/Digital_signal_processing)** > > Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide variety of signal processing operations. The digital signals processed in this manner are a sequence of numbers that represent samples of a continuous variable in a domain such as time, space, or frequency. In digital electronics, a digital signal is represented as a pulse train, which is typically generated by the switching of a transistor Digit... Hope this helps, Micha ---
**Author:** ![xushp](https://avatars.discourse-cdn.com/v4/letter/x/ac91a4/32.png) [@xushp](https://qa.fmod.com/u/xushp)\ **Post date:** [August 1, 2015, 3:42pm UTC](https://qa.fmod.com/t/what-is-bus-in-fmod-i-dont-know-some-terms-in-fmod-as-a-rookie/11997/5 "2015-08-01T15:42:04Z")
> [@](#): > > Bus, Channel and VCA are components of the mixer in Fmod Studio. This mixer imitates hardware mixing desks like they have been used for decades in recording studios. > > For explainations, you could read this: > [http://www.instructables.com/id/How-to-use-an-audio-mixer-soundboard/](http://www.instructables.com/id/How-to-use-an-audio-mixer-soundboard/) > > DSP stands for Digital Signal Processing: > [Digital signal processing - Wikipedia](https://en.wikipedia.org/wiki/Digital_signal_processing) > > Hope this helps, > Micha It’s helpful to me. Thanks a lot!