Pioneer Electronic Corporation

Pioneer Corporation

Shozo Ema

Takao Sawabe

Kaoru Yamamoto

Hidehiro Ishii

Tokihiro Takahashi

Yoshinori Hasegawa

Hirokazu Inotani

Yoichi Yamada

Toshio Hosono

Masayoshi Sakamoto

An information storage medium includes: a video zone for recording audio/video information including video information and audio information associated with the video information; an audio zone for recording audio information; first navigation information for a video player which can reproduce the audio/video information; second navigation information for an audio player which can reproduce the audio information in the video zone and the audio information in the audio zone; and third navigation information for a compatible player which can reproduce both the audio/video information and the audio information. The first navigation information, the second navigation information and the third navigation information are recorded separately from each other.

Information storage medium and apparatus for reproducing the same

An information storage medium includes: a plurality of unit audio information to be reproduced independently of each other; aggregate audio information each including one or more of the unit audio information; unit attribute information indicating attributes of the unit audio information included in the aggregate audio information; and aggregate attribute information including the unit attribute information corresponding to the aggregate audio information recorded on the storage medium. By referring to the aggregate attribute information, the attributes of all the unit audio information may be readily and quickly obtained.

Information storage medium with aggregate attribute information, and apparatus for reproducing the same

An information record medium is provided with: substantial information including video information and audio information which are related to each other; first reproduction control information to simultaneously reproduce the video information and the audio information out of the substantial information; and second reproduction control information to reproduce only the audio information out of the substantial information.

Information record medium, and apparatus for and method of reproducing the same

An information record medium () is provided with: an audio information recording area on which a plurality of audio information () which are different in recording method are recorded; and a control information recording area on which control information () required to reproduce the plurality of audio information recorded on the audio information recording area is recorded. The control information recorded on the control information recording area includes a plurality of first division information for identifying first division units () respectively so as to divide each of the plurality of audio information recorded on the audio information recording area by the first division units respectively. The first division information, which indicates that the audio information divided by the first division units belongs to a same first division unit, is provided for each of the plurality of audio information same in content and different in recording method. The plurality of audio information same in content and different in recording method, which are identified by the first division information, are recorded on recording positions different from each other in the audio information recording area.

Information record medium and apparatus for reproducing the same

An information record medium () is provided with: an audio information recording area on which a plurality of audio information () which are different in recording method are recorded; and a control information recording area on which control information () required to reproduce the plurality of audio information recorded on the audio information recording area is recorded. The control information recorded on the control information recording area includes identification information indicating that the plurality of audio information are same in content and different in recording method with each other. The control information may include a plurality of first division information for identifying first division units () respectively so as to divide each of the plurality of audio information recorded on the audio information recording area by the first division units respectively. The first division information, which indicates that the audio information divided by the first division units belongs to a same first division unit, may be provided as the identification information for each of the plurality of audio information same in content and different in recording method.

Apparatus for reproducing information from record medium on which audio information of differing recording methods is recorded

An information record medium ( ) is provided with: an audio information recording area on which a plurality of audio information ( ) which are different in recording method are recorded; and a control information recording area on which control information ( ) required to reproduce the plurality of audio information recorded on the audio information recording area is recorded. The control information recorded on the control information recording area includes identification information indicating that the plurality of audio information are same in content and different in recording method with each other. The control information may include a plurality of first division information for identifying first division units ( ) respectively so as to divide each of the plurality of audio information recorded on the audio information recording area by the first division units respectively. The first division information, which indicates that the audio information divided by the first division units belongs to a same first division unit, may be provided as the identification information for each of the plurality of audio information same in content and different in recording method.

Information record medium on which audio information differing in recording methods are recorded and apparatus for reproducing the same

An information recording medium has: a plurality of audio information which are independent of each other; and a plurality of reproducing control information to be used for reproducing the audio information. Each of the plurality of reproducing control information is assigned to any one of the plurality of audio information. The reproducing control information includes double reproducing control information. The double reproducing control information is assigned to one of the plurality of audio information to which different one of the plurality of reproducing control information has been assigned.

Audio information recording medium and audio information reproducing apparatus

A music reproducing apparatus is provided. The apparatus reproduces music on the basis of music data which includes music information representing music to be reproduced and beat information representing a beat of the music and which is recorded on a recording medium. The music information is divided into a plurality of music information pieces whose time length are equal to each other. The beat information is divided into a plurality of beat information pieces. Each of the beat information pieces includes information for designating one of the music information pieces in which the beat of the music is present. The apparatus includes: a reading device that reads the music data from the recording medium; a reproduction device that extracts the music information pieces from the read music data, and that reproduces the music on the basis of the extracted music information pieces; and a beat signal output device that extracts one of the beat information pieces from the read music data, and that designates one of the music information pieces in which the beat of music is present, and that outputs a beat signal representing the beat of the music at the same time that the designated one of the music information pieces is reproduced by the reproduction device.

Apparatus for and method of reproducing music together with information representing beat of music

An information recording medium has: a plurality of audio information which are independent of each other; and a plurality of reproducing control information to be used for reproducing the audio information. Each of the plurality of reproducing control information is assign to any of the plurality of audio information. The reproducing control information includes double reproducing control information. The double reproducing control information is assigned to one of the plurality of audio information to which different one of the plurality of reproducing control information has been assigned.

An audio signal processing apparatus performs digital-to-analog conversion to convert at least a first audio data signal having a first sampling frequency and a second audio data signal having a second sampling frequency which is different from the first sampling frequency into corresponding analog audio signals, respectively. The audio signal processing apparatus is provided with: a frequency converting device for converting the second sampling frequency of the second audio data signal into the same sampling frequency as the first sampling frequency; a digital-to-analog converting device for performing digital-to-analog conversion to convert the first audio data signal having the first sampling frequency and the second audio data signal having the converted second sampling frequency which is the same as the first sampling frequency into the analog audio signals, respectively.

Audio signal processing apparatus and audio signal processing method for

An improved selection/drive system is incorporated in a magnetic tape recording/reproducing apparatus such that the apparatus may be changed into any of the stop, playback, pause, que and review operations by making use of a single drive gear rotating with a capstan. A sector gear selectively meshes with the drive gear and has first, second and third engaging stubs thereon, and first, second, third and fourth locking members interlocked with operation buttons are selectively engaged with the stubs to lock the sector gear at any of predetermined angles of rotation for establishing the stop, playback, pause, fast-forward or rewind state.

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Tokorozawa, Japan

Shozo Ema