Wireless communication device having a reconfigurable matching circuit

An audio and/or video data compressing apparatus, comprising:

• an audio and/or video data reproducing means for reproducing audio and/or video data from a first recording medium on which audio data and video data or either of the same (audio and/or video data) are recorded;
• an audio and/or video data recording means for recording the audio and/or video data reproduced by the audio and/or video data reproducing means on a second recording medium;
• and
• an audio and/or video data compressing means for quantizing audio and/or video data and comprising said audio and/or video data a first time to generate first compressed data and compressing said audio and/or video data a second time to generate second compressed data,
• wherein the audio and/or video data recording means records in a predetermined area of the second recording medium an indication of the amount of said first compressed data, an indication of a frame in which a scene change occurs and a bit rate for said frame in which a scene change occurs.

An audio and/or video data compressing apparatus comprising:

• an audio and/or video data reproducing means for reproducing audio and/or video data from a first recording medium on which the audio data and video data or either of the them same (audio and/or video data) are recorded;
• an audio and/or video data recording means for recording the audio and/or video data reproduced by the audio and/or video data reproducing means on a second recording medium;
• and
• an audio and/or video data compressing means for quantizing audio and/or video data and compressing said audio and/or video data a first time to generate first compressed data and compressing said audio and/or video data a second time to generate second compressed data;
• wherein the audio and/or video data recording means records in a predetermined area of the second recording medium an indication of the amount of said first compressed data, an indication of a frame in which a scene change occurs and a bit rate for said frame in which a scene change occurs;
• and
• wherein the audio and/or video data recording means further records data indicating the amount of said second compressed data on a third recording medium.

An audio and/or video data compressing apparatus, comprising:

• a first audio and/or video data compressing means for reproducing audio and/or video data from a first recording medium on which the audio data and video data or either of the same (audio and/or video data) are recorded and quantizing and compressing the same to thereby generate compressed data;
• a compressed data amount calculating means for calculating an amount of said compressed data;
• and
• a recording means for recording in a predetermined area of the first recording medium an indication of the amount of said compressed data calculated by the compressed data amount calculating means, an indication of a frame in which a scene change occurs and a bit rate for said frame in which a scene change occurs.

An audio and/or video data compressing method including the steps of:

• reproducing audio and/or video data from a first recording medium on which the audio data and video data or either of the same (audio and/or video data) are recorded;
• recording the reproduced audio and/or video data on a second recording medium;
• quantizing the reproduced audio and/or video data and compressing the same a first time to generate first compressed data, and quantizing and compressing the reproduced audio and/or video data a second time to generate second compressed data;
• recording in a predetermined area of the first recording medium an indication of the amount of said first compressed data, an indication of a frame in which a scene change occurs and a bit rate for said frame in which a scene change occurs;
• and
• calculating a quantization value for making the amount of said second compressed data a desired amount of data based on said indication of the amount of the first compressed data, said first compressed data being generated using a quantization value determined in advance of compressing the first compressed data.

An audio and/or video data compressing method including the steps of:

• reproducing audio and/or video data from a first recording medium on which the audio data and video data or either of the same (audio and/or video data) are recorded;
• recording the reproduced audio and/or video data on a second recording medium;
• quantizing the reproduced audio and/or video data and compressing the same a first time to generate first compressed data, and quantizing and compressing the reproduced audio and/or video data a second time to generate second compressed data;
• and
• recording in a predetermined area of the second recording medium data indicating the amount of the first compressed data, an indication of a frame in which a scene change occurs and a bit rate for said frame in which a scene change occurs.

An audio and/or video data compressing method including the steps of:

• reproducing audio and/or video data from a first recording medium on which the audio data and video data or either of the same (audio and/or video data) are recorded;
• recording the reproduced audio and/or video data on a second recording medium;
• quantizing the reproduced audio and/or video data and compressing the same a first time to generate first compressed data, and quantizing and compressing the reproduced audio and/or video data a second time to generate second compressed data;
• and
• further recording in a predetermined area of a third recording medium data indicating the amount of the first compressed data, an indication of a frame in which a scene change occurs and a bit rate for said frame in which a scene change occurs.

An audio and/or video data compressing method including the steps of:

• reproducing audio and/or video data from a first recording medium on which the audio data and video data or either of the same (audio and/or video data) are recorded;
• quantizing and compressing the same to generate compressed data;
• calculating an amount of said compressed data;
• and
• recording in a predetermined area of the first recording medium an indication of the calculated amount of said compressed data, an indication of a frame in which a scene change occurs and a bit rate for said frame in which a scene change occurs.

An audio and/or video data compressing method including the steps of:

• reproducing audio and/or video data from a first recording medium on which the audio data and video data or either of the same (audio and/or video data) are recorded;
• quantizing and compressing the reproduced data to generate compressed data;
• and
• recording in a predetermined area of the first recording medium an indication of the amount of said compressed data, an indication of a frame in which a scene change occurs and a bit rate for said frame in which a scene change occurs.