Sound Processing Method, Sound Processing Apparatus, and Non-Transitory Computer-Readable Storage Medium Storing Sound Processing Program

A sound processing method comprising:

• receiving and mixing sound signals fed from a plurality of input channels to produce a mixed sound signal;
• receiving a target frequency characteristic for the mixed sound signal;
• computing a similarity index with respect to a given frequency band from one of the sound signals, which is fed from one of the plurality of input channels, and the target frequency characteristic;
• and
• selecting a most dominant channel among the plurality of input channels in the given frequency band in relation to the target frequency characteristic, on the basis of the similarity index.

A sound processing apparatus comprising:

• a processor;
• and
• a memory storing instructions that, when executed by the processor, cause the processor to carry out:
• receiving and mixing sound signals fed from a plurality of input channels to produce a mixed sound signal;
• displaying a spectral diagram for the sound signals on the plurality of input channels or for the mixed sound signal;
• computing a similarity index with respect to a given frequency band from the sound signals on the plurality of input channels and the mixed sound signal;
• and
• modifying a display representation for the given frequency band in the spectral diagram on the basis of the similarity index, in association with at least one of the plurality of input channels.

A sound processing apparatus comprising:

• a processor;
• and
• a memory storing instructions that, when executed by the processor, cause the processor to carry out:
• receiving and mixing sound signals fed from a plurality of input channels to produce a mixed sound signal;
• receiving a target frequency characteristic for the mixed sound signal;
• computing a similarity index with respect to a given frequency band from one of the sound signals, which is fed from one of the plurality of input channels, and the target frequency characteristic;
• and
• selecting a most dominant channel among the plurality of input channels in the given frequency band in relation to the target frequency characteristic, on the basis of the similarity index.

A non-transitory computer-readable storage medium storing a sound processing program executable by at least one processor of a sound processing apparatus, that when executed by the at least one processor, causes the at least one processor to execute a method comprising:

• receiving and mixing sound signals fed from a plurality of input channels to produce a mixed sound signal;
• displaying a spectral diagram for the sound signals on the plurality of input channels or for the mixed sound signal;
• computing a similarity index with respect to a given frequency band from the sound signals on the plurality of input channels and the mixed sound signal;
• and
• modifying a display representation for the given frequency band in the spectral diagram on the basis of the similarity index, in association with at least one of the plurality of input channels.

A non-transitory computer-readable storage medium storing a sound processing program executable by at least one processor of a sound processing apparatus, that when executed by the at least one processor, causes the at least one processor to execute a method comprising:

• receiving and mixing sound signals fed from a plurality of input channels to produce a mixed sound signal;
• receiving a target frequency characteristic for the mixed sound signal;
• computing a similarity index with respect to a given frequency band from one of the sound signals, which is fed from one of the plurality of input channels, and the target frequency characteristic;
• and
• selecting a most dominant channel among the plurality of input channels in the given frequency band in relation to the target frequency characteristic, on the basis of the similarity index.