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Update Functions-(Sound-Instances).md

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Juju Adams 2021-11-02 22:30:43 +00:00
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docs/latest/Functions-(Sound-Instances).md
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**Returns:** N/A (`undefined`) **Returns:** N/A (`undefined`)
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|------------------------------------------------------| |-----------------|--------|--------------------------------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
|`loop` |boolean | | |`loop` |boolean |Whether the sound instance should replay from the start when it finishes playing|
Plays the given sound instance. If the sound instance is set to *not* loop (`loop` is `false`) then `FAudio_SoundInstance_DestroyWhenFinished()` will be called automatically for the sound instance.
   
@ -15,7 +17,21 @@
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|------------------------------------------------------| |-----------------|--------|------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
Pauses playback of a sound instance. It can later be resumed by calling `FAudio_SoundInstance_Resume(soundInstanceID)`.
 
## `~_SoundInstance_Resume(soundInstanceID)`
**Returns:** N/A (`undefined`)
|Argument |Datatype|Description |
|-----------------|--------|------------------------------------------------------|
|`soundInstanceID`|number |Sound instance to target |
Resumes playback of a sound instance that has been paused by `FAudio_SoundInstance_Pause()`. If the sound instance in question hasn't been paused then this function does nothing.
   
@ -25,7 +41,9 @@
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|------------------------------------------------------| |-----------------|--------|------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
Stops playback of the given sound instance completely. To restart playback, `FAudio_SoundInstance_Play()` should be called.
   
@ -35,7 +53,9 @@
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|------------------------------------------------------| |-----------------|--------|------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
Destroys a sound instance, freeing memory associated with it.
   
@ -45,7 +65,9 @@
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|------------------------------------------------------| |-----------------|--------|------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
Sets a sound instance to self-destruct when it finishes playing. This is useful for one-off audio clips that you don't want to keep track of.
   
@ -55,9 +77,11 @@
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|---------------------------------------------------------------------------| |-----------------|--------|---------------------------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
|`pan` |number |Should be from `-1` (100% left) to `+1` (100% right) with `0` being central| |`pan` |number |Should be from `-1` (100% left) to `+1` (100% right) with `0` being central|
Sets the stereo (left/right) panning of the sound instance. This is useful to fake positional audio in 2D, amongst other mixing techniques.
   
## `~_SoundInstance_SetPitch(soundInstanceID, pitch)` ## `~_SoundInstance_SetPitch(soundInstanceID, pitch)`
@ -66,9 +90,11 @@
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------| |-----------------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
|`pitch` |number |Frequency multiplier. A value of `2` will double the frequency and make the pitch higher, a value of `0.5` will halve the frequency and make the pitch lower| |`pitch` |number |Frequency multiplier. A value of `2` will double the frequency and make the pitch higher, a value of `0.5` will halve the frequency and make the pitch lower|
Changes the pitch of the audio by time-stretching or time-condensing playback. This also changes the playback time accordingly (a higher-pitched sound will take less time to fully play).
   
## `~_SoundInstance_SetVolume(soundInstanceID, volume)` ## `~_SoundInstance_SetVolume(soundInstanceID, volume)`
@ -77,8 +103,10 @@
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|--------------------------------------------------------| |-----------------|--------|--------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
|`volume` |number | | |`volume` |number |Volume of the sound instance. `1` is 100% volume |
Sets the volume for the sound instance. To change volume smoothly over time, please use `FAudio_SoundInstance_SetVolumeOverTime()`.
   
@ -88,10 +116,12 @@
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|--------------------------------------------------------| |-----------------|--------|--------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
|`x` |number | | |`x` |number |x-position of the sound instance |
|`y` |number | | |`y` |number |y-position of the sound instance |
|`z` |number | | |`z` |number |z-position of the sound instance |
Places the sound instance in 3D space. In combination with `FAudio_SetListenerPosition()`, this sets the relative panning and volume for the sound instance to give the illusion of the player being in a 3D environment.
   
@ -101,10 +131,12 @@
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|--------------------------------------------------------| |-----------------|--------|--------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
|`xVelocity` |number | | |`xVelocity` |number |x-component of the velocity of the sound instance |
|`yVelocity` |number | | |`yVelocity` |number |y-component of the velocity of the sound instance |
|`zVelocity` |number | | |`zVelocity` |number |z-component of the velocity of the sound instance |
Sets the velocity of the sound instance, allowing for pitch shifting to emulate the [Doppler effect](https://en.wikipedia.org/wiki/Doppler_effect).
   
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|Argument |Datatype|Description | |Argument |Datatype|Description |
|------------------------|--------|--------------------------------------------------------| |------------------------|--------|--------------------------------------------------------|
|`soundInstanceID` |number | | |`soundInstanceID` |number |Sound instance to target |
|`trackPositionInSeconds`|number | | |`trackPositionInSeconds`|number |Track position to jump to, in seconds |
Jumps to a fixed position in the sound instance's audio asset. This is useful for audio assets that are comprised of a few different sections.
   
@ -125,9 +159,11 @@
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|--------------------------------------------------------| |-----------------|--------|--------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
|`volume` |number | | |`volume` |number |Target velocity to interpolate towards |
|`milliseconds` |number | | |`milliseconds` |number |Duration of the interpolation, in milliseconds |
Smoothly interpolates the volume of a sound instance over time. This time can be very short or very long, as you see fit.
   
@ -136,10 +172,12 @@
**Returns:** N/A (`undefined`) **Returns:** N/A (`undefined`)
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|--------------------------------------------------------| |-----------------|--------|-------------------------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
|`lowPassFilter` |number | | |`lowPassFilter` |number |Frequency of the low-pass. This is a value from `0` (20hz) to `1` (20khz)|
|`Q` |number | | |`Q` |number |Unitless - the steepness of the cutoff knee. A recommended value is `1` |
Sets a low-pass filter on a sound instance, cutting out high frequencies. This has the effect of making the sound seem muffled.
   
@ -148,22 +186,12 @@
**Returns:** N/A (`undefined`) **Returns:** N/A (`undefined`)
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|--------------------------------------------------------| |-----------------|--------|--------------------------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
|`lowPassFilter` |number | | |`highPassFilter` |number |Frequency of the high-pass. This is a value from `0` (20hz) to `1` (20khz)|
|`Q` |number | | |`Q` |number |Unitless - the steepness of the cutoff knee. A recommended value is `1` |
  Sets a high-pass filter on a sound instance, cutting out low frequencies. This has the effect of making the sound seem tinny and thin.
## `~_SoundInstance_SetHighPassFilter(soundInstanceID, highPassFilter, Q)`
**Returns:** N/A (`undefined`)
|Argument |Datatype|Description |
|-----------------|--------|--------------------------------------------------------|
|`soundInstanceID`|number | |
|`highPassFilter` |number | |
|`Q` |number | |
   
@ -172,10 +200,12 @@
**Returns:** N/A (`undefined`) **Returns:** N/A (`undefined`)
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|--------------------------------------------------------| |-----------------|--------|--------------------------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
|`bandPassFilter` |number | | |`bandPassFilter` |number |Frequency of the band-pass. This is a value from `0` (20hz) to `1` (20khz)|
|`Q` |number | | |`Q` |number |Unitless - the steepness of the cutoff knee. A recommended value is `1` |
Sets a band-pass filter on a sound instance, cutting out frequencies above and below the center of the band. What this sounds like depends on what frequency you choose, but it has a habit of making sounds seem nasal and boxy.
   
@ -185,7 +215,7 @@
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|--------------------------------------------------------| |-----------------|--------|--------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
   
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|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|--------------------------------------------------------| |-----------------|--------|--------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
   
@ -205,7 +235,7 @@
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|--------------------------------------------------------| |-----------------|--------|--------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |
   
@ -215,4 +245,4 @@
|Argument |Datatype|Description | |Argument |Datatype|Description |
|-----------------|--------|--------------------------------------------------------| |-----------------|--------|--------------------------------------------------------|
|`soundInstanceID`|number | | |`soundInstanceID`|number |Sound instance to target |