LOW_FREQUENCY     263 libavresample/audio_mix_matrix.c             matrix[FRONT_CENTER][LOW_FREQUENCY] += lfe_mix_level;
LOW_FREQUENCY     265 libavresample/audio_mix_matrix.c             matrix[FRONT_LEFT ][LOW_FREQUENCY] += lfe_mix_level * M_SQRT1_2;
LOW_FREQUENCY     266 libavresample/audio_mix_matrix.c             matrix[FRONT_RIGHT][LOW_FREQUENCY] += lfe_mix_level * M_SQRT1_2;
LOW_FREQUENCY     298 libswresample/rematrix.c             matrix[FRONT_CENTER][LOW_FREQUENCY] += lfe_mix_level;
LOW_FREQUENCY     300 libswresample/rematrix.c             matrix[FRONT_LEFT ][LOW_FREQUENCY] += lfe_mix_level * M_SQRT1_2;
LOW_FREQUENCY     301 libswresample/rematrix.c             matrix[FRONT_RIGHT][LOW_FREQUENCY] += lfe_mix_level * M_SQRT1_2;