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Fix mono WAV playing only the left speaker #14

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Merged
TroyHernandez merged 1 commit into from
Jun 16, 2026
Merged

Fix mono WAV playing only the left speaker #14

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6 changes: 5 additions & 1 deletion R/audio_utils.R
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Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,11 @@ write_audio <- function(samples, sr, path) {

wav <- tuneR::Wave(left = samples_int, samp.rate = as.integer(sr), bit = 16)

tuneR::writeWave(wav, path)
# extensible = FALSE writes plain WAVE_FORMAT_PCM. The default
# (extensible = TRUE) writes WAVE_FORMAT_EXTENSIBLE and stamps a mono
# file with channel mask SPEAKER_FRONT_LEFT, so players route it to the
# left speaker only; plain PCM mono plays on both.
tuneR::writeWave(wav, path, extensible = FALSE)
}

#' Resample audio
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