waveSpec :: W.Wave
waveSpec = W.Wave {W.waveFileFormat = W.WaveVanilla
                  , W.waveSampleRate = 48000
                  , W.waveSampleFormat = W.SampleFormatPcmInt 16
                  , W.waveChannelMask = S.singleton W.SpeakerFrontCenter
                  , W.waveDataOffset = 0
                  , W.waveDataSize = 0
                  , W.waveSamplesTotal = 0
                  , W.waveOtherChunks = []}
waveSpec :: W.Wave
waveSpec = W.Wave {W.waveFileFormat = W.WaveVanilla
                  , W.waveSampleRate = 48000
                  , W.waveSampleFormat = W.SampleFormatPcmInt 16
                  , W.waveChannelMask = S.singleton W.SpeakerFrontCenter
                  , W.waveDataOffset = 0
                  , W.waveDataSize = 0
                  , W.waveSamplesTotal = 0
                  , W.waveOtherChunks = []}
waveSpec = W.Wave {W.waveFileFormat = W.WaveVanilla
                  , W.waveSampleRate = 48000
                  , W.waveSampleFormat = W.SampleFormatPcmInt 16
                  , W.waveChannelMask = S.singleton W.SpeakerFrontCenter
                  , W.waveDataOffset = 0
                  , W.waveDataSize = 0
                  , W.waveSamplesTotal = 0
                  , W.waveOtherChunks = []}