Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Reexamination Certificate
1999-11-09
2004-08-03
Tran, Thai (Department: 2615)
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
C386S349000, C386S349000
Reexamination Certificate
active
06771876
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a data recording and/or reproducing apparatus for recording and/or reproducing data for a recording medium. More particularly, it relates to a data recording and/or reproducing apparatus which may be used with advantage when using a non-linear-accessible recording medium as a recording medium.
2. Description of the Related Art
As a recording and/or reproducing apparatus for recording and/or reproducing video or audio data, there is proposed a hybrid recording and/or reproducing apparatus having a hard disc drive (HDD) and a VTR enclosed therein, as shown in, for example, the International Application No. PCT/J95/01617. This hybrid recording and/or reproducing apparatus is used as a so-called on-line editor in which the video and audio data are stored once on a HDD and edited so as to be then recorded on a tape on the VTR for transmission for broadcast reproduction from the tape. This hybrid recording and/or reproducing apparatus usually includes a control panel which is provided with actuating buttons for controlling the recording, reproduction, fast feed, rewind and stop etc.
Also, the above-mentioned recording and/or reproducing can be loaded on an external equipment for recording data outputted from this external equipment. That is, the hybrid recording and/or reproducing apparatus can be connected to a portable AV editor so that data reproduced from the hybrid recording and/or reproducing apparatus is outputted to the portable editor so that edited data from the editor is again inputted to the hybrid recording and/or reproducing apparatus.
The hybrid recording and/or reproducing apparatus outputs command signals to the AV editor in accordance with the operating contents of its own control panel to control the recording and/or reproducing processing of the external equipment. This enables the hybrid recording and/or reproducing apparatus to perform the editing using data outputted by the external equipment and data of the recording medium the apparatus is supervising.
FIG. 1
shows an illustrative actuating button of a circuit control panel provided in a recording and/or reproducing apparatus such as the aforementioned hybrid respective apparatus.
On actuating an actuating button “PLAYER”
1001
, data is reproduced from an external playback VTR. When the external playback VTR and the external recording VTR are connected to the recording and/or reproducing apparatus having this actuating button, an actuating button “RECORDER”
1002
is actuated to record data on the external recording VTR. For cut-editing by cut switching by the control panel, the external playback VTR is selected by the actuating button “PLAYER”
1001
to determine a cut-in point and a cut-out point on the reproducing side. The external recording VTR is selected by the actuating button “RECORDER”
1002
to determine a cut-in point and a cut-out point on the recorder side. Meanwhile, the cut-in point and the cut-out point mean editing start and editing end points in cut editing, respectively. For example, the cut-in point and the cut-out point are determined on selecting an actuating button “IN”
1003
and an actuating button “OUT”
1004
on the control panel, as shown in FIG.
2
.
The recording and/or reproducing apparatus includes, on a control panel
1012
, an actuating button “PLAYER”
1005
for selecting the reproducing side, an actuating button “RECORDER”
1006
for selecting the recording side, an actuating button “EXT”
1007
, actuating buttons “TAPE”
1008
,
1010
and actuating buttons “DISC MASTER”
1009
,
1011
for specifying recording mediums selectable on the playback and recording sides, as shown in FIG.
3
.
For example, each actuating button is substantially square-shaped and is illuminated when thrust.
It is noted that the an actuating button “EXT”
1007
is associated with signals from outside (external signal) and the actuating buttons “TAPE”
1008
,
1010
are associated with a tape provided in the inside (internal tape), while the actuating buttons “DISC MASTER”
1009
,
1010
are associated with a hard disc provided in the inside (internal hard disc). The actuating buttons
1007
,
1008
,
1009
are arranged on the control panel as a button group associated with the actuating button “PLAYER”
1005
, while the actuating buttons
1010
,
1011
are arranged on the control panel as a button group associated with the actuating button “RECORDER”
1006
. Thus, for example, the actuating buttons “DISC MASTER”, “TAPE” and “EXT” being illuminated indicates selection of the internal hard disc, internal tape and external signals, respectively.
If, for example, the external signals and the internal hard disc are selected on the playback side and on the recording side, respectively, to perform the editing operation, the following operations are executed:
If the external signals are used on the editing playback side, the actuating button “PLAYER”
1005
and the actuating button
1007
are thrust simultaneously. If the internal hard disc is used on the recording side, the actuating button “RECORDER”
1006
and the actuating button
1010
“DISC MASTER” are thrust simultaneously. This illuminates the actuating button “EXT”
1007
on the reproducing side and actuating button
1010
“DISC MASTER”
1010
on the recording side.
In this state, only the the actuating button “PLAYER”
1005
is thrust to set the editing point on the playback side. Similarly, only the actuating button “RECORDER”
1006
is thrust to set the editing point on the recording side. For example, the actuating button “IN”
1003
and the actuating button “OUT”
1004
shown in
FIG. 14
are actuated to set the cut-in and cut-out points.
The above-mentioned actuating buttons enable various processing operations, such as data editing.
It is noted that reduction in size of electronic equipments is crucial in that portability is thereby improved. Since the recording and/or reproducing apparatus has the above-mentioned control panel on a portion of the casing, this control panel needs to be reduced in size simultaneously for miniaturization of the apparatus itself. In such case, it is necessary to arrange actuating buttons enabling a wide variety of operations within a limited space.
Recently, an A/V server employing a random access memory such as a hard disc has been proposed. In general, the A/V server is used extensively for broadcast operations. If the A/V server is used for broadcast operations, sufficient data reliability needs to be guaranteed. To this end, a so-called RAID (Redundant Array of Inexpensive Discs) structure, in which plural HDDs (hard disc drives) are arranged side-by-side, is used.
Also, multiple channels for the broadcast equipments recently have been in use for realization of digital television broadcasting. In order to cope with this, the AV server is configured for inputting/outputting plural channels simultaneously. That is, a sole AV server realizes the functions of plural VTRs in contradistinction from other VTRs (video tape recorders).
In keeping up with increase in the number of channels, an equipment for controlling the AV server tends to be larger in scale in an unprecedented fashion. A large-scale system, centered about the AV server, constructed by, for example, a control PC or plural PCs for application, usually needs to be provided for controlling the AV server.
In recent broadcasting stations, this AV server is demanded to be arranged in a limited space, such as in a relaying car. In addition, the functions played by the control PC or the application PC configured for controlling the AV server are requested to be loaded on the AV server itself.
In realizing these functions by the AV server, it may be contemplated to provide an actuating control button on the entire surface of the AV server. In the current state of the art, the size of the casing of the AV server itself is fixed to a certain extent, it is extremely difficult to provide actuating buttons configured for accommodating the various functions in their entirety.
Als
Eto Toru
Kamiyama Kazuo
Morishima Shin-ichi
Murata Masakazu
Onodera Junichi
Frommer William S.
Frommer & Lawrence & Haug LLP
Simon Darren M.
Sony Corporation
Tran Thai
LandOfFree
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