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    • 3. 发明授权
    • One-step recording apparatus for portable media players
    • 便携式媒体播放器的一步录音设备
    • US08068716B2
    • 2011-11-29
    • US11401759
    • 2006-04-10
    • Mohammad Ayub KhanShahid IqbalAbid KhanMuhammad Fayuz-ur RehmanMuhammad Israr KhanSyed Muhammad ZiauddinHaroon-ur Rashid
    • Mohammad Ayub KhanShahid IqbalAbid KhanMuhammad Fayuz-ur RehmanMuhammad Israr KhanSyed Muhammad ZiauddinHaroon-ur Rashid
    • H04N5/765H04N9/80H04N5/92H04N5/917G06F15/16
    • G11B27/034G11B27/322
    • A recording apparatus for recording audio-visual (A/V) contents directly from an A/V input source to a portable media player (PMP) is disclosed. The recorded A/V contents can be played back by the portable media player immediately upon stopping the recording. The recording apparatus does not involve the use of any intermediate computing or storage device other than the portable media player and the recording apparatus itself. The A/V contents for recording may come in the form of analog/digital signals or as digital data in compressed or uncompressed form from transmission and/or storage devices. Depending upon the nature of the input, the recording apparatus digitizes, encodes and/or transcodes the A/V contents and stores the processed A/V contents directly into the portable media player in playback ready format. The recording apparatus includes a one-button control interface for starting and stopping the recording of A/V contents to the portable media player. By clicking the button once, the process of recording the A/V contents into the portable media player is initiated. Optionally, elaborate control of the A/V recording parameters can be achieved through a configuration file. The type of encoders/decoders, bit-rates, duration of recording and other parameters can be set in the configuration file. The configuration file is stored in the portable media player or any other connected storage device. The recording apparatus provides both manual and automatic update mechanisms for play lists in the portable media player. In addition, the recording apparatus may also record and store A/V contents to storage devices other than a portable media player.
    • 公开了一种用于直接从A / V输入源将音视频(A / V)内容记录到便携式媒体播放器(PMP)的记录装置。 记录的A / V内容可以在停止录制时立即由便携式媒体播放器播放。 记录装置不涉及除了便携式媒体播放器和记录装置本身之外的任何中间计算或存储装置。 用于记录的A / V内容可以以模拟/数字信号的形式或来自传输和/或存储设备的压缩或未压缩形式的数字数据。 根据输入的性质,记录装置对A / V内容进行数字化,编码和/或转码,并将处理后的A / V内容直接存储在播放就绪格式的便携式媒体播放器中。 记录装置包括用于启动和停止将A / V内容记录到便携式媒体播放器的一键控制接口。 通过点击按钮一次,开始将A / V内容记录到便携式媒体播放器中。 可选地,可以通过配置文件来实现A / V记录参数的精细控制。 可以在配置文件中设置编码器/解码器的类型,比特率,录像持续时间和其他参数。 配置文件存储在便携式媒体播放器或任何其他连接的存储设备中。 记录装置为便携式媒体播放器中的播放列表提供手动和自动更新机制。 此外,记录装置还可以将A / V内容记录并存储到除了便携式媒体播放器之外的存储装置。
    • 5. 发明申请
    • One-step recording apparatus for portable media players
    • 便携式媒体播放器的一步录音设备
    • US20070248326A1
    • 2007-10-25
    • US11401759
    • 2006-04-10
    • Mohammad Ayub KhanMuhammad Israr KhanSyed Muhammad ZiauddinHaroon-ur RashidShahid IqbalAbid KhanMuhammad Fayuz-ur Rehman
    • Mohammad Ayub KhanMuhammad Israr KhanSyed Muhammad ZiauddinHaroon-ur RashidShahid IqbalAbid KhanMuhammad Fayuz-ur Rehman
    • H04N7/00
    • G11B27/034G11B27/322
    • A recording apparatus for recording audio-visual (A/V) contents directly from an A/V input source to a portable media player (PMP) is disclosed. The recorded A/V contents can be played back by the portable media player immediately upon stopping the recording. The recording apparatus does not involve the use of any intermediate computing or storage device other than the portable media player and the recording apparatus itself. The A/V contents for recording may come in the form of analog/digital signals or as digital data in compressed or uncompressed form from transmission and/or storage devices. Depending upon the nature of the input, the recording apparatus digitizes, encodes and/or transcodes the A/V contents and stores the processed A/V contents directly into the portable media player in playback ready format. The recording apparatus includes a one-button control interface for starting and stopping the recording of A/V contents to the portable media player. By clicking the button once, the process of recording the A/V contents into the portable media player is initiated. Optionally, elaborate control of the A/V recording parameters can be achieved through a configuration file. The type of encoders/decoders, bit-rates, duration of recording and other parameters can be set in the configuration file. The configuration file is stored in the portable media player or any other connected storage device. The recording apparatus provides both manual and automatic update mechanisms for play lists in the portable media player. In addition, the recording apparatus may also record and store A/V contents to storage devices other than a portable media player.
    • 公开了一种用于直接从A / V输入源将音视频(A / V)内容记录到便携式媒体播放器(PMP)的记录装置。 记录的A / V内容可以在停止录制时立即由便携式媒体播放器播放。 记录装置不涉及除了便携式媒体播放器和记录装置本身之外的任何中间计算或存储装置。 用于记录的A / V内容可以以模拟/数字信号的形式或来自传输和/或存储设备的压缩或未压缩形式的数字数据。 根据输入的性质,记录装置对A / V内容进行数字化,编码和/或转码,并将处理后的A / V内容直接存储在播放就绪格式的便携式媒体播放器中。 记录装置包括用于启动和停止将A / V内容记录到便携式媒体播放器的一键控制接口。 通过点击按钮一次,开始将A / V内容记录到便携式媒体播放器中。 可选地,可以通过配置文件来实现A / V记录参数的精细控制。 可以在配置文件中设置编码器/解码器的类型,比特率,录像持续时间和其他参数。 配置文件存储在便携式媒体播放器或任何其他连接的存储设备中。 记录装置为便携式媒体播放器中的播放列表提供手动和自动更新机制。 此外,记录装置还可以将A / V内容记录并存储到除了便携式媒体播放器之外的存储装置。
    • 6. 发明授权
    • Method and system for providing instant reverse play
    • 提供即时反向播放的方法和系统
    • US07471875B2
    • 2008-12-30
    • US11182158
    • 2005-07-15
    • Mushtaq Ahmad MughalAbid KhanMumtaz AhmadHaroon Ur Rashid
    • Mushtaq Ahmad MughalAbid KhanMumtaz AhmadHaroon Ur Rashid
    • H04N5/91
    • H04N9/8042H04N5/781H04N5/783
    • A method for displaying video data instantly in reverse order is disclosed. According to the method, a compressed audio and video (A/V) stream is received from a source. The compressed A/V stream is demultiplexed into an audio stream and a video stream. The video stream has a number of compressed video frames which include a number of key frames. Each key frame is followed by one or more associated frames. Each of the compressed video frames is tagged with a tag. The tag associated with each key frame and file position of each key frame is stored in a table. The compressed video frames are decoded to generate a number of decoded video frames while maintaining their corresponding tags. During normal play, the decoded video frames are stored in a forward queue, and the decoded video frames in the forward queue are then outputted in a FIFO (first-in-first-out) order to a reverse queue and a display device for display. The reverse queue operates in a FIFO manner by discarding the oldest decoded video frame stored in the reverse queue when the reverse queue is full. During reverse play, the tag of the oldest decoded video frame in the reverse queue is recorded when a reverse play command is received, and the decoded video frames in the reverse queue are outputted in a LIFO (last-in-first-out) order to the forward queue and the display device for display. At the start of the reverse play, the forward queue operates in a LIFO manner until the most recently decoded video frames stored in the forward queue are discarded. Thereafter, the forward queue and the reverse queue operate in a FIFO manner. The recorded tag is used to retrieve one or more compressed video frames from the source. The retrieved one or more compressed video frames are tagged and decoded to generate one or more newly decoded video frames. The one or more newly decoded video frames are forwarded to the reverse queue.
    • 公开了以相反的顺序立即显示视频数据的方法。 根据该方法,从源接收压缩的音频和视频(A / V)流。 压缩的A / V流被解复用为音频流和视频流。 视频流具有包括多个关键帧的多个压缩视频帧。 每个关键帧之后是一个或多个相关联的帧。 每个压缩视频帧都标记有一个标签。 与每个关键帧的每个关键帧和文件位置相关联的标签存储在表中。 对压缩的视频帧进行解码以产生多个解码的视频帧,同时保持其对应的标签。 在正常播放期间,将解码的视频帧存储在前向队列中,然后将前向队列中的解码视频帧以FIFO(先进先出)顺序输出到反向队列和用于显示的显示装置 。 反向队列通过在反向队列已满时丢弃存储在反向队列中的最旧解码视频帧,以FIFO方式运行。 在反向播放期间,当接收到反向播放命令时,记录反向队列中最旧的解码视频帧的标签,并且以LIFO(先进先出)顺序输出反向队列中的解码视频帧 到转发队列和显示设备进行显示。 在反向播放开始时,前向队列以LIFO方式运行,直到丢弃存储在转发队列中的最近解码的视频帧。 此后,前向队列和反向队列以FIFO方式运行。 记录的标签用于从源中检索一个或多个压缩视频帧。 检索到的一个或多个压缩视频帧被标记和解码以产生一个或多个新解码的视频帧。 一个或多个新解码的视频帧被转发到反向队列。
    • 8. 发明申请
    • Method and system for providing instant reverse play
    • 提供即时反向播放的方法和系统
    • US20070014531A1
    • 2007-01-18
    • US11182158
    • 2005-07-15
    • Mushtaq MughalAbid KhanMumtaz AhmadHaroon Rashid
    • Mushtaq MughalAbid KhanMumtaz AhmadHaroon Rashid
    • H04N5/91
    • H04N9/8042H04N5/781H04N5/783
    • A method for displaying video data instantly in reverse order is disclosed. According to the method, a compressed audio and video (A/V) stream is received from a source. The compressed A/V stream is demultiplexed into an audio stream and a video stream. The video stream has a number of compressed video frames which include a number of key frames. Each key frame is followed by one or more associated frames. Each of the compressed video frames is tagged with a tag. The tag associated with each key frame and file position of each key frame is stored in a table. The compressed video frames are decoded to generate a number of decoded video frames while maintaining their corresponding tags. During normal play, the decoded video frames are stored in a forward queue, and the decoded video frames in the forward queue are then outputted in a FIFO (first-in-first-out) order to a reverse queue and a display device for display. The reverse queue operates in a FIFO manner by discarding the oldest decoded video frame stored in the reverse queue when the reverse queue is full. During reverse play, the tag of the oldest decoded video frame in the reverse queue is recorded when a reverse play command is received, and the decoded video frames in the reverse queue are outputted in a LIFO (last-in-first-out) order to the forward queue and the display device for display. At the start of the reverse play, the forward queue operates in a LIFO manner until the most recently decoded video frames stored in the forward queue are discarded. Thereafter, the forward queue and the reverse queue operate in a FIFO manner. The recorded tag is used to retrieve one or more compressed video frames from the source. The retrieved one or more compressed video frames are tagged and decoded to generate one or more newly decoded video frames. The one or more newly decoded video frames are forwarded to the reverse queue.
    • 公开了以相反的顺序立即显示视频数据的方法。 根据该方法,从源接收压缩的音频和视频(A / V)流。 压缩的A / V流被解复用为音频流和视频流。 视频流具有包括多个关键帧的多个压缩视频帧。 每个关键帧之后是一个或多个相关联的帧。 每个压缩视频帧都标记有一个标签。 与每个关键帧的每个关键帧和文件位置相关联的标签存储在表中。 对压缩的视频帧进行解码以产生多个解码的视频帧,同时保持其对应的标签。 在正常播放期间,将解码的视频帧存储在前向队列中,然后将前向队列中的解码视频帧以FIFO(先进先出)顺序输出到反向队列和用于显示的显示装置 。 反向队列通过在反向队列已满时丢弃存储在反向队列中的最旧解码视频帧,以FIFO方式运行。 在反向播放期间,当接收到反向播放命令时,记录反向队列中最旧的解码视频帧的标签,并且以LIFO(先进先出)顺序输出反向队列中的解码视频帧 到转发队列和显示设备进行显示。 在反向播放开始时,前向队列以LIFO方式运行,直到丢弃存储在转发队列中的最近解码的视频帧。 此后,前向队列和反向队列以FIFO方式运行。 记录的标签用于从源中检索一个或多个压缩视频帧。 检索到的一个或多个压缩视频帧被标记和解码以产生一个或多个新解码的视频帧。 一个或多个新解码的视频帧被转发到反向队列。