snd_emu10k1_playback_commit_pitch
snd_emu10k1_playback_commit_pitch(emu, voice, evoice->epcm->pitch_target << 16);
snd_emu10k1_playback_commit_pitch(emu, voice, 0);
snd_emu10k1_playback_commit_pitch(emu, voice, PITCH_48000 << 16);