A method for automatically generating an audio signal, the method comprising receiving a source audio signal analyzing the source audio signal to identify a musical parameter characteristic thereof obtaining a supplemental audio signal based on the identified musical parameter characteristic and combining the source audio signal and the supplemental audio signal to form an extended audio signal.

A transmission apparatus includes a first transmission unit that transmits sound data to a first sound channel in a transmission path, and a second transmission unit that transmits meta data related to the sound data to a second sound channel in the transmission path while ensuring synchronization with the sound data.

When new music content is generated on the basis of replication of original music content, additional information including information indicating that the generated new music content is based on replication and replication source information identifying a replicated-from source of the replicated content is generated and added to the new music content based on the replication. When the new (i.e., replicated) music content is to be used, a search is made for original music content on the basis of information identifying a replicated-from source and use of the new (replicated) music content is permitted only when the c original music content has been successfully found. Such arrangements reliably allow the replicated content to be used by a given person only when the person possesses the original music content.

A mobile terminal and a ringtone playing method thereof are provided. The playing method includes: selecting a music file which to be set as a ringtone, and popping up a playing preview interface corresponding to the music film and, meanwhile, playing the music file; sliding a cursor of the playing preview interface to select a start position and a playing end position on a playing progress bar corresponding to the music file so as to acquire and save playing information of the ringtone, wherein the playing information comprises a playing start time point and a playing end time point of the ringtone; and in response to occurrence of a ringing event, reading the saved playing information of the ringtone and playing a music clip between the playing start time point and the playing end time point.

An arbitrary signal insertion method and an arbitrary signal insertion system, capable of inserting a transmittable arbitrary signal (insertion information M) at a predetermined insertion timing into an acoustic sound played in real time. An insertion timing is previously associated with a predetermined time code with master rhythm information. An acoustic sound into which insertion information will be inserted is music sound generated by a real-time performance unit and is accompanied by a second rhythm. The insertion information is inserted into the music sound generated by the real-time performance unit at the insertion timing after the rhythm of master rhythm information and the rhythm of the music sound generated by the real-time performance unit are synchronized. The synchronization is achieved by a rhythm transmitter which notifies a player of a rhythm session musical instrument of the rhythm of the master rhythm information with sound or light.

An information processing system including a selection unit that selects one or more pieces of content in a use status that meets a predetermined condition in a specific period, an extraction unit that extracts, as a feature value of the content, information associated with one or more pieces of material data used at the time of generation of the content, on the basis of metadata added to each piece of the selected content, and a generation unit that generates support information for a user on the basis of the extracted feature value.

An arbitrary signal insertion method and an arbitrary signal insertion system, capable of inserting a transmittable arbitrary signal (insertion information M) at a predetermined insertion timing into an acoustic sound played in real time. An insertion timing is previously associated with a predetermined time code with master rhythm information. An acoustic sound into which insertion information will be inserted is music sound generated by a real-time performance unit and is accompanied by a second rhythm. The insertion information is inserted into the music sound generated by the real-time performance unit at the insertion timing after the rhythm of master rhythm information and the rhythm of the music sound generated by the real-time performance unit are synchronized. The synchronization is achieved by a rhythm transmitter which notifies a player of a rhythm session musical instrument of the rhythm of the master rhythm information with sound or light.

One embodiment provides a system, method, and device for processing inaudible tones. Content is received from one or more sources. One or more inaudible tones included in the content are detected. Information is associated with the one or more inaudible tones from the content are extracted. Usage information associated with the content is determined in response to the information. The usage information includes at least licensing information and content information. The usage information is communicated to one or more parties associated with the content.

One embodiment provides a system, method, and device for communicating inaudible tones. An audio file is received. One or more inaudible tones are embedded in the audio file. The information is associated with the inaudible tones. The audio file is distributed with the embedded one or more inaudible tones.

One embodiment provides a system, method, and device for capturing inaudible tones from content. Content is received. Inaudible tones in the content are detected. Information associated with the inaudible tones of the content is extracted. Information associated with the inaudible tones is communicated to one or more devices. One or more actions associated with the information extracted from the inaudible tones is automatically implemented utilizing the one or more devices.