Title:
チャンネル数変換装置およびそのプログラム
Document Type and Number:
Japanese Patent JP6684651
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a channel number converter performing appropriate channel number conversion of each program along the content thereof.SOLUTION: A channel number converter 10 includes a weighting coefficient calculation unit 13 for receiving a multichannel sound signal and a reference signal corresponding to the content thereof, and calculating the weighting coefficient of each channel signal of the multichannel sound signal contained in the reference signal, a correction coefficient calculation unit 14 for calculating correction coefficients for correcting each channel signal of the multichannel sound signal based on the weighting coefficients, a correction coefficient application unit 15 for applying the correction coefficients to the multichannel sound signal, and a channel number conversion unit 17 for converting the multichannel sound signal, to which the correction coefficients are applied, into a reproduction channel signal of desired channel number, by a predetermined channel number conversion method.SELECTED DRAWING: Figure 1
Inventors:
Takehiro Sugimoto
Ode Kunshi
Kazuho Ono
Yo Sasaki
Tomoyasu Komori
Around Kitajima
Ode Kunshi
Kazuho Ono
Yo Sasaki
Tomoyasu Komori
Around Kitajima
Application Number:
JP2016103664A
Publication Date:
April 22, 2020
Filing Date:
May 24, 2016
Export Citation:
Assignee:
Japan Broadcasting Corporation
International Classes:
H04S3/00; H04N21/439
Domestic Patent References:
| JP2015195545A | ||||
| JP2011193164A |
Foreign References:
| WO2014192603A1 |
Attorney, Agent or Firm:
Shu Oikawa
Naoyuki Takada
Hiroyuki Matsumoto
Kinoshita Ikuichiro
Masatake Shiga
Tadashi Takahashi
Naoyuki Takada
Hiroyuki Matsumoto
Kinoshita Ikuichiro
Masatake Shiga
Tadashi Takahashi