Not just you, same problem here. (Firefox on Windows)
Workaround: If you look at the WAV file the player loads (right click > Inspect Element), that URL is playable in a new tab/browser window.
Workaround: If you look at the WAV file the player loads (right click > Inspect Element), that URL is playable in a new tab/browser window.
Firefox supports 8-bit and 16-bit PCM only ( https://support.mozilla.org/en-US/kb/html5-audio-and-video-f... ). I don't know why, exactly.
16 bits allows a dynamic range of 96dB while sounds you might come across in everyday life can peak over 130dB briefly.