The padding values shouldn't always be 0x7F. The 16 bytes of padding before the waveform should match the 17th byte (i.e. the first byte of the waveform), while the 16 bytes of padding after the waveform should match the final byte of the waveform. Additional info here.
The padding values shouldn't always be
0x7F
. The 16 bytes of padding before the waveform should match the 17th byte (i.e. the first byte of the waveform), while the 16 bytes of padding after the waveform should match the final byte of the waveform. Additional info here.