Fig. 6From: Loudness stability of binaural sound with spherical harmonic representation of sparse head-related transfer functionsLoudness over the horizontal plane of KEMAR left ear HRTF, for different truncation and sparsity conditions, convolved with low-pass filtered white noise up to 15 kHz. Each line represents a different \((Q,\widetilde {N})\) condition. a Truncation conditions. b Sparsity conditionsBack to article page