SQ-drive 16-bit stereo wav file playback problem

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    narrenschip
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    SQ-6 with firmware 1.5.x (the latest that was available end februari) does not detect 16bit WAV files (tested with 44.1kHz and 48kHz files).
    Once converted to 24bit the files are detected and play without issue.

    Files were created with ffmpeg version 4.4.1 (macports on Mac OS Mojave):
    ffmpeg -i SomeAudioFile.mp4 -map_metadata -1 -ar 44100 -c:a pcm_s16le SomeAudioFile_44kHz-16bit.wav
    ffmpeg -i SomeAudioFile.mp4 -map_metadata -1 -ar 48000 -c:a pcm_s16le SomeAudioFile_48kHz-16bit.wav
    -> not detected by the desk
    ffmpeg -i SomeAudioFile.mp4 -map_metadata -1 -ar 44100 -c:a pcm_s24le SomeAudioFile_44kHz-24bit.wav
    ( or ffmpeg -i SomeAudioFile_44kHz-16bit.wav -c:a pcm_s24le SomeAudioFile_44kHz-24bit.wav )
    ffmpeg -i SomeAudioFile.mp4 -map_metadata -1 -ar 48000 -c:a pcm_s24le SomeAudioFile_48kHz-24bit.wav
    ( or ffmpeg -i SomeAudioFile_48kHz-16bit.wav -c:a pcm_s24le SomeAudioFile_48kHz-24bit.wav )
    -> are detected and play fine

    -map_metadata -1 : strips all metadata
    -ar 44100/48000 : samplerate conversion
    -c:a pcm_s16le/pcm_s24le : audio ‘compression’ – 16/24 bit signed integer little-endian PCM format

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