Music Contents Reproducing Apparatus

• US 20070274546A1
• Filed: 09/12/2005
• Published: 11/29/2007
• Est. Priority Date: 09/30/2004
• Status: Active Grant

• Current Assignee: Panasonic Corporation (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Corporation (Panasonic Holdings Corporation)
• Inventors: Hirayama, Ikuo
• Granted Patent: US 7,460,919 B2
• Time in Patent Office: Days
• US Class Current: 381/300
• CPC Class Codes: G10H 1/0041 in coded form
• CPC Class Codes: G10H 2210/031 Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal neural networks for electrophonic musical instruments or musical processing G10H2250/311
• CPC Class Codes: G10H 2210/076 for extraction of timing, tempo; Beat detection tempo display G10H2220/081; tempo control G10H2210/375
• CPC Class Codes: G10H 2220/096 using a touch screen touch screen note input, e.g. using a displayed keyboard G10H2220/241; personal digital assistant [PDA] G10H2230/015
• CPC Class Codes: G10H 2240/135 Library retrieval index, i.e. using an indexing scheme to efficiently retrieve a music piece
• CPC Class Codes: G10H 2250/031 Spectrum envelope processing
• CPC Class Codes: G10K 15/02 Synthesis of acoustic waves synthesis of speech G10L13/00
• CPC Class Codes: G11B 27/105 of operating discs
• CPC Class Codes: H04R 2217/03 Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
• CPC Class Codes: H04R 2499/13 Acoustic transducers and sound field adaptation in vehicles
• CPC Class Codes: H04R 3/12 for distributing signals to two or more loudspeakers specially adapted for hearing aids H04R25/407
• CPC Class Codes: H04R 5/04 Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments combinations of amplifiers H03F3/68; stereophonic systems H04S
• CPC Class Codes: H04S 7/00 Indicating arrangements; Control arrangements, e.g. balance control

Abstract

A contents reproduction control portion uses feature quantity data about feature quantities of pieces of music and an interference degree table which defines degrees of interference among the feature quantities. In this manner, interference music to be output from between front-seat speakers and music to be output from rear-seat speakers is at least partially avoided.

Claims

1. A music contents reproducing apparatus, comprising:

a control unit that controls which piece of music contents to be output to one output portion in accordance with the music contents to be output to another output portion by using physical quantity data about physical quantities of respective pieces of music contents and a table which defines degrees of interference among the physical quantities.

2. The music contents reproducing apparatus according to claim 1, wherein the control unit selects music contents to be reproduced so that the degree of interference between the music contents to be output to one output portion and the music contents to be output to another output portion is fallen within a predetermined threshold range.

3. The music contents reproducing apparatus according to claim 1, wherein the control unit selects the music contents to be output to one output portion in accordance with the music contents to be output to another output portion in ascending order of the degree of interference.

4. The music contents reproducing apparatus according to claim 1, wherein when a headphone or an earphone is connected, the control unit cancels the selection of the music contents to be output to one output portion in accordance with the music contents to be output to another output portion.

5. The music contents reproducing apparatus according to claim 1, wherein when the degree of interference among the respective physical quantities exceeds a predetermined range, the volume of the music contents to be output to at least one output portion is turned down.

6. (canceled)

7. A method of reproducing music contents, comprising:

providing physical quantity data about physical quantities of respective pieces of music contents and a table which defines degrees of interference among physical quantities of the musing contents; and

selecting a piece of the music contents to be output to one output portion in accordance with music contents to be output to another output portion by using the physical quantity data and the table.