# Audio-Sound

- [playDuration(duration \[, hourFormat\])](/lua-api-reference/audio-sound/playduration.md): Play a time value (text to speech)
- [playFile(name)](/lua-api-reference/audio-sound/playfile.md): Play a file from the SD card
- [playHaptic(duration, pause \[, flags\])](/lua-api-reference/audio-sound/playhaptic.md)
- [playNumber(value, unit \[, attributes\])](/lua-api-reference/audio-sound/playnumber.md): Play a numerical value (text to speech)
- [playTone(frequency, duration, pause \[, flags \[, freqIncr\]\])](/lua-api-reference/audio-sound/playtone.md): Play a tone
- [flushAudio()](/lua-api-reference/audio-sound/flushaudio.md)