diff options
Diffstat (limited to 'doc/classes/AudioStreamSample.xml')
| -rw-r--r-- | doc/classes/AudioStreamSample.xml | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/doc/classes/AudioStreamSample.xml b/doc/classes/AudioStreamSample.xml index c12e1bd05c..7e1155d89b 100644 --- a/doc/classes/AudioStreamSample.xml +++ b/doc/classes/AudioStreamSample.xml @@ -5,16 +5,14 @@ </brief_description> <description> AudioStreamSample stores sound samples loaded from WAV files. To play the stored sound, use an [AudioStreamPlayer] (for non-positional audio) or [AudioStreamPlayer2D]/[AudioStreamPlayer3D] (for positional audio). The sound can be looped. - This class can also be used to store dynamically-generated PCM audio data. + This class can also be used to store dynamically-generated PCM audio data. See also [AudioStreamGenerator] for procedural audio generation. </description> <tutorials> </tutorials> <methods> <method name="save_to_wav"> - <return type="int" enum="Error"> - </return> - <argument index="0" name="path" type="String"> - </argument> + <return type="int" enum="Error" /> + <argument index="0" name="path" type="String" /> <description> Saves the AudioStreamSample as a WAV file to [code]path[/code]. Samples with IMA ADPCM format can't be saved. [b]Note:[/b] A [code].wav[/code] extension is automatically appended to [code]path[/code] if it is missing. @@ -22,7 +20,7 @@ </method> </methods> <members> - <member name="data" type="PackedByteArray" setter="set_data" getter="get_data" default="PackedByteArray( )"> + <member name="data" type="PackedByteArray" setter="set_data" getter="get_data" default="PackedByteArray()"> Contains the audio data in bytes. [b]Note:[/b] This property expects signed PCM8 data. To convert unsigned PCM8 to signed PCM8, subtract 128 from each byte. </member> @@ -39,7 +37,9 @@ The loop mode. This information will be imported automatically from the WAV file if present. See [enum LoopMode] constants for values. </member> <member name="mix_rate" type="int" setter="set_mix_rate" getter="get_mix_rate" default="44100"> - The sample rate for mixing this audio. + The sample rate for mixing this audio. Higher values require more storage space, but result in better quality. + In games, common sample rates in use are [code]11025[/code], [code]16000[/code], [code]22050[/code], [code]32000[/code], [code]44100[/code], and [code]48000[/code]. + According to the [url=https://en.wikipedia.org/wiki/Nyquist%E2%80%93Shannon_sampling_theorem]Nyquist-Shannon sampling theorem[/url], there is no quality difference to human hearing when going past 40,000 Hz (since most humans can only hear up to ~20,000 Hz, often less). If you are using lower-pitched sounds such as voices, lower sample rates such as [code]32000[/code] or [code]22050[/code] may be usable with no loss in quality. </member> <member name="stereo" type="bool" setter="set_stereo" getter="is_stereo" default="false"> If [code]true[/code], audio is stereo. |