waudsprite 

Audio Sprite Generator for waud.js - ported from audiosprite.

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``
npm install -g waudsprite
`

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You need FFmpeg framework and ogg codecs to use waudsprite.

Install on OSX using brew:

`
brew install ffmpeg --with-theora --with-libogg --with-libvorbis
`

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`
waudsprite --loop loop --autoplay loop -o assets/sprite -e m4a assets/*.mp3
`

The above command generates the following json:

`json
{
"src": "assets/sprite.m4a",
"sprite": [
{
"name": "bell",
"start": 0,
"duration": 2.1149886621315193,
"loop": false
},
{
"name": "canopening",
"start": 4,
"duration": 2,
"loop": false
},
{
"name": "glass",
"start": 7,
"duration": 0.5485714285714289,
"loop": false
},
{
"name": "loop",
"start": 9,
"duration": 56.032653061224494,
"loop": true
}
]
}
`

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`
waudsprite --help
info: Usage: waudsprite [options] *.mp3
info: Options:
--output, -o Name for the output files. [default: "sprite"]
--path, -u Path for files to be used on final JSON. [default: ""]
--export, -e Limit exported file types. Comma separated extension list. [default: "ogg,m4a,mp3,ac3"]
--log, -l Log level (debug, info, notice, warning, error). [default: "info"]
--autoplay, -a Autoplay sprite name. [default: null]
--loop Loop sprite name, can be passed multiple times. [default: null]
--gap, -g Silence gap between sounds (in seconds). [default: 1]
--minlength, -m Minimum sound duration (in seconds). [default: 0]
--bitrate, -b Bit rate. Works for: ac3, mp3, mp4, m4a, ogg. [default: 128]
--vbr, -v VBR [0-9]. Works for: mp3. -1 disables VBR. [default: -1]
--samplerate, -r Sample rate. [default: 44100]
--channels, -c Number of channels (1=mono, 2=stereo). [default: 1]
--rawparts, -p Include raw slices(for Web Audio API) in specified formats. [default: ""]
--help, -h Show this help message.
``

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This content is released under the MIT License.

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Code of Conduct is adapted from Contributor Covenant, version 1.4