Device using analog controls to mix compressed digital audio data

• US 7,133,531 B2
• Filed: 02/27/2001
• Issued: 11/07/2006
• Est. Priority Date: 02/27/2001
• Status: Expired due to Fees

• Current Assignee: Nissim Karpenstein
• Original Assignee: Nissim Karpenstein
• Inventors: Karpenstein, Nissim
• Primary Examiner(s): Pendleton, Brian T.
• Application Number:
  US09/794,183
• Publication Number:
  US 20020118848A1
• Time in Patent Office: 2,079 Days
• Field of Search: 381/119, 381/28, 381/2, 381/61, 381/109, 846/25, 846/60, 846/97, 369/4
• US Class Current: 381/119
• CPC Class Codes: H04H 60/04 Studio equipment; Interconnection of studios

Abstract

Device includes a disc jockey mixing console with analog controls, crossfader and scratchpad and is used to mix audio tracks from compressed digital audio data sound recordings. One device substitutes for mixing console, turntables and records. For compressed digital audio data recordings, analog controls allow far superior manual dexterity for adjustment of volume and speed when mixing audio tracks as compared to digital mouse. Includes two audio outputs—a headphone and a main speaker output—having to analog convertors, analog controls in the form of knobs and sliders, a touch screen LCD panel for selecting and queuing songs and a computer with a processor, ROM storage means, RAM storage means, software and a hard disc to store audio tracks files. Optional interface between device and personal computer to upload songs, audio input and CD ROM drive for converting audio to compressed digital audio data.

Claims

1. A device for mixing audio tracks of sound recordings that are in compressed digital audio data format and which eliminates the need for a disc jockey mixing console, a plurality of turntables or a plurality of vinyl LP records, said device comprising:

a disc jockey mixing console with two or more audio tracks and having analog controls including, for each audio track, a slider for adjusting speed and a main output volume knob for adjusting volume heard on a main speaker output, and including a preview switch for audio tracks,

two audio outputs including a headphone output and the main speaker output, said two audio outputs each including a digital to analog convertor, the headphone output also including analog controls for adjusting a volume of a final mix analog audio heard on the headphone, said headphone output activated by the preview switch,

an LCD screen and buttons on the device for selecting and queuing sound recordings that appear on the LCD screen in each audio track,

a computer, including a processor, ROM storage means, RAM storage means, a hard disc to store audio sound track files, and software for decoding each audio track from compressed digital audio data format to digital format, applying special effects to each audio track based on speed parameters supplied by the sliders mixing the audio tracks heard on the headphone output that are in digital format using volume parameters provided by the analog controls to generate a final mix digital output and sending the final mix digital output to the digital to analog convertor of the main speaker output to be converted to final mix analog audio, and mixing the audio tracks heard on the headphone output that are in digital format using a preview switch to generate a headphone mix digital output and sending the headphone mix digital output to the digital to analog convertor of the headphone output to be converted to headphone mix analog audio,

each main output volume knob and each slider being connected to an analog to digital convertor to translate the analog position into a numerical value for the computer, said single device allowing a disc jockey to manually mix and manually adjust the speed of compressed digital audio data sound recordings with a level of manual dexterity typically used in the mixing of vinyl LP records, said level of manual dexterity far exceeding the level of manual dexterity provided by a computer pointing device,

including an interface between the device and an external personal computer for uploading sound recordings from the personal computer to the device.

2. The device of claim 1, wherein the analog controls include a crossfader for single-handed fading from one audio track to another on the main speaker output.

3. The device of claim 2, wherein the analog controls include equalizing knobs for each audio track.

4. The device of claim 3, wherein the analog controls also include a scratchpad for special effects and wherein the device has a button in each audio track for opening a menu of special effects and selecting one or more special effects to be applied to that audio track in digital format.

5. The device of claim 4, wherein the LCD screen includes a graphical display of a wave form of an audio sound track in a play mode.

6. The device of claim 4, wherein the software applies special effects to each audio track based also on special effects parameters supplied by the LCD screen and on tone parameters supplied by the equalizing knobs.

7. The device of claim 2, wherein the crossfader has an on/off switch, a left crossfader switch having settings corresponding to each audio track on the disc jockey mixing console, a right crossfader switch having settings corresponding to each audio track on the disc jockey mixing console and a crossfader slider between the left crossfader switch and the right crossfader switch, and wherein manual placement of the crossfader slider on a left end triggers the audio track that corresponds to the setting on the left crossfader switch to be audible on the main speaker output, wherein manual placement of the crossfader slider on a right end triggers the audio track that corresponds to the setting on the right crossfader switch to be audible on the main speaker output and wherein placement of the crossfader slider in a middle area triggers both the audio track that corresponds to the setting on the left crossfader switch and the audio track that corresponds to the setting on the right crossfader switch to be simultaneously audible on the main speaker output.

8. The device of claim 4, wherein the buttons on the device for queuing sound recordings include at least a button for play mode, a button for rewind mode, a button for forward mode and a button for pause mode.

9. A device for mixing audio tracks of sound recordings that are in compressed digital audio data format and which eliminates the need for a disc jockey mixing console, a plurality of turntables or a plurality of vinyl LP records, said device comprising:

a disc jockey mixing console with two or more audio tracks and having analog controls including, for each audio track, a slider for adjusting speed and a main output volume knob for adjusting volume heard on a main speaker output, and including a preview switch for audio tracks,

two audio outputs including a headphone output and the main speaker output, the headphone output also including analog controls for adjusting a volume of final mix analog audio heard on the headphone, said headphone output activated by the preview switch,

an LCD screen and buttons on the device for selecting and queuing sound recordings that appear on the LCD screen in each audio track,

a computer, including a processor, ROM storage means, RAM storage means, a hard disc to permanently store audio sound track files, and software for decoding each audio track from compressed digital audio data format to digital format, applying special effects to each audio track based on speed parameters supplied by the sliders, mixing the audio tracks hear on the main speaker output that are in digital format using volume parameters provided by the analog controls to generate a final mix digital output and sending the final mix digital output to the digital to analog convertor of the main speaker output to be converted to final mix analog audio, and mixing the audio tracks heard on the headphone output that are in digital format using a preview switch to generate a headphone mix digital output and sending the headphone mix digital output to the digital to analog convertor of the headphone output to be converted to headphone mix analog audio,

each main output volume knob and each slider being connected to an analog to digital convertor to translate the analog position into a numerical value for the computer,

said single device allowing a disc jockey to manually mix and manually adjust the speed of compressed digital audio data sound recordings with a level of manual dexterity typically used in the mixing of vinyl LP records, said level of manual dexterity far exceeding the level of manual dexterity provided by a computer pointing device,

including an editing feature wherein a “

record”

button on the device allows the disc jockey to record the final mix digital output while the device plays the final mix digital output on the main speaker output which automatically encodes the final mix digital output in compressed digital audio data format and stores the final mix digital output on the hard disc as an audio sound track file that can be selected and played as a single sound recording on a particular audio track later as an element in a further mix.

10. A device for mixing audio tracks of sound recordings that are in compressed digital audio data format and which eliminates the need for a disc jockey mixing console, a plurality of turntables or a plurality of vinyl LP records, said device comprising:

a disc jockey mixing console with two or more audio tracks and having analog controls including, for each audio track, a slider for adjusting speed, a main output volume knob for adjusting volume heard on a main speaker output, and including a preview switch for audio tracks, each audio track having a digital to analog converter,

two audio outputs including a headphone output and the main speaker output, the headphone output also including analog controls for adjusting a volume of audio mix heard on the headphone, said headphone output activated by the preview switch

an LCD screen and buttons on the device for selecting and queuing sound recordings that appear on the LCD screen in each audio track,

a computer, including a processor, ROM storage means, RAM storage means, a hard disc to store audio sound track files, and software for decoding each audio track from compressed digital audio data format to digital format, applying special effects to each audio track based on speed parameters supplied by the sliders and sending each audio track in digital format to a digital to analog convertor associated with each audio track for conversion to analog format,

an analog audio mixing circuit connecting the analog controls to an output of the digital to analog convertors for each audio track for performing analog mixing,

said single device allowing a disc jockey to manually mix compressed digital audio data sound recordings with a level of manual dexterity typically used in the mixing of vinyl LP records, said level of manual dexterity far exceeding the level of manual dexterity provided by a computer pointing device,

including an interface between the device and an external personal computer for uploading sound recordings from the personal computer to the device.

11. The device of claim 10, wherein the analog controls include a crossfader for single-handed fading from one audio track to another on the main speaker output.

12. The device of claim 11, wherein the analog controls include equalizing knobs for each audio track.

13. The device of claim 12, wherein the analog controls also include a scratchpad for special effects and wherein the device includes a button in each audio track for opening a menu of special effects and selecting one or more special effects to be applied to that audio track in digital format.

14. The device of claim 13, wherein the LCD screen includes a graphical display of a wave form of an audio sound track in a play mode.

15. The device of claim 13, wherein the software applies special effects to each audio track based also on special effects parameters supplied by the LCD screen and on tone parameters supplied by the equalizing knobs.

16. The device of claim 11, wherein the crossfader has an on/off switch, a left crossfader switch having settings corresponding to each audio track on the disc jockey mixing console, a right crossfader switch having settings corresponding to each audio track on the disc jockey mixing console and a crossfader slider between the left crossfader switch and the right crossfader switch, and wherein manual placement of the crossfader slider on a left end triggers the audio track that corresponds to the setting on the right crossfader switch to be audible on the main speaker output and wherein placement of the crossfader slider in a middle area triggers both the audio track that corresponds to the setting on the left crossfader switch and the audio track that corresponds to the setting on the right crossfader switch to be simultaneously audible on the main speaker output.

17. A device for mixing audio tracks of sound recordings that are in compressed digital audio data format and which eliminates the need for a disc jockey mixing console, a plurality of turntables or a plurality of vinyl LP records, said device comprising:

a disc jockey mixing console with two or more audio tracks and having analog controls including, for each audio track, a slider for adjusting speed, and a main output volume knob for adjusting volume heard on a main speaker output, and including a preview switch for audio tracks,

two audio outputs including a headphone output and the main speaker output said two audio outputs each including a digital to analog convertor, the headphone output also including analog controls for adjusting a volume of a final mix analog audio heard on the headphone, said headphone output activated by the preview switch,

an LCD screen and buttons on the device for selecting and queuing sound recordings that appear on the LCD screen in each audio track,

a computer, including a processor, ROM storage means, RAM storage means, a hard disc to store audio sound track files, and software for decoding each audio track from compressed digital audio data format to digital format, applying special effects to each audiotrack based on speed parameters supplied by the sliders, mixing the audio tracks heard on the main speaker output that are in digital format using volume parameters provided by the analog controls to generate a final mix digital output and sending the final mix digital output to the digital to analog convertor of the main speaker output to be converted to final mix analog audio, and mixing the audio tracks heard on the headphone output that are in digital format using a preview switch to generate a headphone mix and sending the headphone mix digital output to the digital to analog convertor of the headphone output to be converted to headphone mix analog audio,

each main output volume knob and each slider being connected to an analog to digital convertor to translate the analog position into a numerical value for the computer, said single device allowing a disc jockey to manually mix and manually adjust the speed of compressed digital audio data sound recordings with a level of manual dexterity typically used in the mixing of vinyl LP records, said level of manual dexterity far exceeding th level of manual dexterity provided by a computer pointing device,

wherein the analog controls include a crossfader for single-handed fading from one audio track to another on the main speaker output, and

wherein the crossfader has an on/off switch, a left crossfader switch having settings corresponding to each audio track on the disc jockey mixing console, a right crossfader switch having settings corresponding to each audio track on the disc jockey mixing console and a crossfader slider between the left crossfader switch and the right crossfader switch, and wherein manual placement of the crossfader slider on a left end triggers the audio track that corresponds to the setting on the left crossfader switch to be audible on the main speaker output, wherein amnual placement of the crossfader slider on a right end triggers the audio track that corresponds to the setting on the right crossfader switch to be audible on the main speaker output and wherein placement of the crossfader slider in a middle area triggers both the audio track that corresponds to the setting on the left crossfader switch and the audio track that corresponds to the setting on the right crossfader switch to be simultaneously audible on the main speaker output.

18. A device for mixing audio tracks of sound recordings that are in compressed digital data format and which eliminates the need for a disc jockey mixing console, a plurality of turntables or a plurality of vinyl LP records, said device comprising:

.

a disc jockey mixing console with two or more audio tracks and having analog controls including, for each audio track, a slider for adjusting speed and a main output volume knob for adjusting volume heard on a main speaker output, and including a preview switch for audio tracks,

two audio outputs including a headphone output and the main speaker output, said two audio outputs including a digital to analog convertor, the headphone output also including analog controls for adjusting a volume of a final mix analog audio heard on the headphone, said headphone output activated by the preview switch,

an LCD screen and buttons on the device for selecting and queuing sound recordings that appear on the LCD screen in each audio track,

a computer, including a processor, ROM storage means, RAM storage means, a hard disc to store audio sound track files, and software for decoding each audio track from compressed digital audio data format to digital format, applying special effects to each audio track based on speed parameters supplied by the sliders, mixing the audio tracks heard on the main speaker output that are in digital format using volume parameters provided by the analog controls to generate a final mix digital output and sending the final mix digital output to the digital to analog convertor of the main speaker output to be converted to final mix analog audio, and mixing the audio tracks heard on the headphone output that are in digital format using a preview switch to generate a headphone mix digital output and sending the headphone mix digital output to the digital to analog convertor of the headphone output to be converted to headphone mix analog audio,

each main output volume knob and each slider being connected to an analog to digital convertor to translate the analog position into a numerical value for the computer said single device allowing a disc jockey to manually mix and manually adjust the speed of compressed digital audio data sound recordings with a level of manual dexterity typically used in the mixing of vinyl LP records, said level of manual dexterity far exceeding the level of manual dexterity provided by a computer pointing device,

wherein the analog controls include a crossfader for single-handed fading from one audio track to another on the main speaker output, wherein the analog controls include equalizing knobs for each audio track, and

including an editiing feature wherein a “

record”

button on the device allows the disc jockey to record the final mix digital output while the device plays the final mix digital output on the main speaker output which automatically encodes the final mix digital output in compressed digital audio data format and stores the final mix digital output on the hard disc as an audio sound track file that can be selected and played as a single sound recording on a particular audio track later as an element in a further mix.

19. A device for mixing audio tracks of sound recordings that are in compressed digital audio data format and which eliminates the need for a disc jockey mixing console, a plurality of turntables or a plurality of vinyl LP records, said device comprising:

.

a disc jockey mixing console with two or more audio tracks and having analog controls including, for each audio track, a slider for adjusting speed and a main output volume knob for adjusting volume heard on a main speaker output, and including a preview switch for audio tracks,

two audio outputs including a headphone output and the main speaker output, said two audio outputs each including a digital to analog convertor, the headphone output also including analog controls for adjusting a volume of final mix analog audio heard on the headphone, said headphone output activated by the preview switch,

an LCD screen and buttons on the device for selecting and queuing sound recordings that appear on the LCD screen in each audio track,

a computer, including a processor, ROM storage means, RAM storage means, a hard disc to store audio sound track files, and software for decoding each audio track from compressed digital audio data format to digital format, applying special effects to each audio track based on speed parameters supplied by the sliders, mixing the audio tracks heard on the main speaker output that are in digital format using volume parameters provided by the analog controls to generate a final mix digital output and sending the final mix digital output to the digital to analog convertor of the main speaker output to be converted to final mix analog audio, and mixing the audio tracks heard on the headphone output that are in digital format using a preview switch to generate a headphone mix digital output and sending the headphone mix digital output to the digital to analog convertor of the headphone output to be converted to headphone mix analog audio,

each main output volume knob and each slider being connected to an analog to digital convertor to translate the analog position into a numerical value for the computer, said single device allowing a disc jockey to manually mix and manually adjust the speed of compressed digital audio data sound recordings with a level of manual dexterity typically used in the mixing of vinyl LP records, said level of manual dexterity far exceeding the level of manual dexterity provided by a computer pointing device,

wherein the analog controls include a crossfader for single-handed fading from one audio track to another on the main speaker output, wherein the analog controls include equalizing knobs for each audio track and wherein the analog controls also include a scratchpad for special effects and wherein the device includes a button in each audio track for opening a menu of special effects and selecting one or more special effects to be applied to that audio track in digital format.

20. The device of claim 19, wherein the LCD screen includes a graphical display of a wave form of an audio sound track in a play mode.

21. The device of claim 19, wherein the software applies special effects to each audio track based also on special effects parameters supplied by the LCD screen and on tone parameters supplied by the equalizing knobs.

22. A device for mixing audio tracks of sound recordings that are in compressed digital audio data format and which eliminates the need for a disc jockey mixing console, a plurality of turntable or a plurality of vinyl LP records, said device comprising:

a disc jockey mixing console with two or more audio tracks and having analog controls including, for each audio track, a slider for adjusting speed, a main output volume knob for adjusting volume heard on a main speaker output, and including a preview switch for audio tracks, each audio track having a digital to analog converter,

two audio outputs including a headphone output and the main speaker output, the headphone output also including analog controls for adjusting a volume of audio mix heard on the headphone, said headphone output activated by the preview switch,

an LCD screen and buttons on the device for selecting and queuing sound recordings that appear on the LCD screen in each audio track,

a computer, including a processor, ROM storage means, RAM storage means, a hard disc to store audio sound track files, and software for decoding each audio track from compressed digital audio data format to digital format, applying special effects to each audio track based on speed parameters supplied by the sliders and sending each audio track in digital format to a digital to analog convertor associated with each audio track for conversion to analog format,

an analog audio mixing circuit connecting the analog controls to an output of the digital to analog convertors for each audio track for performing analog mixing,

said single device allowing a disc jockey to manually mix compressed digital audio data sound recordings with a level of manual dexterity typically used in the mixing of vinyl LP records, said level of manual dexterity far exceeding the level of manual dexterity provided by a computer pointing device,

wherein the analog controls include a crossfaded for single-handed faded from one audio track to another on the main speaker output, wherein the analog controls include equalizing knobs for each audio track, and

wherein the analog controls also include a scratch pad for special effects and wherein the device includes a button in each audio track for opening a menu of special effects and selecting one or more special effects to be applied to that audio track in digital format.

23. The device of claim 22, wherein the LCD screen includes a graphical display of a wave form of an audio sound track in a play mode.

24. The The device of claim 22, wherein the software applies special effects to each audio track based also on special effects parameter supplied by the LCD screen and on tone parameters supplied by the equalizing knobs.

25. A device for mixing audio tracks of sound recordings that are in compressed digital audio data format and which eliminates the need for a disc jockey mixing console, a plurality of turntables or a plurality of vinyl LP records, said device comprising:

a disc jockey mixing console with two or more audio tracks and having analog controls including, for each audio track, a slider for adjusting speed, a main output volume knob for adjusting volume heard on a main speaker output, and including a preview switch for audio tracks, each audio track having a digital to analog converter,

two audio outputs including a headphone output and the main speaker output, the headphone output also including analog controls for adjusting a volume of audio mix heard on the headphone, said headphone output activated by the preview switch,

an LCD screen and buttons on the device for selecting and queuing sound recordings that appear on the LCD screen in each audio track,

a computer, including a processor, ROM storage means, RAM storage means, a hard disc to store audio sound track files, and software for decoding each audio track from compressed digital audio data format to digital format, applying special effects to each audio track based on speed parameters supplied by the sliders and sending each audio track in digital format to a digital to analog convertor associated with each audio track for conversion to analog format,

an analog audio mixing circuit connecting the analog controls to an output of the digital to analog convertors for each audio track for performing analog mixing,

said single device allowing a disc jockey to manually mix compressed digital audio data sound recordings with level of manual dexterity typically used in the mixing of vinyl LP records, said level of manual dexterity far exceeding the level of manual dexterity provided by a computer pointing device,

wherein the analog controls include a crossfader for single-handed fading from one audio track to another onthe main speaker output, and

wherein the crossfader has an on/off switch, a left crossfader switch having settings corresponding to each audio track on the disc jockey mixing console, a right crossfader switch having settings corresponding to each audio track on the disc jockey mixing console and a crossfader slider between the left crossfader switch and the right crossfader switch, and wherein manual placement of the crossfader slider on a left end triggers the audio track that corresponds to the setting on the left crossfader switch to be audible on the main speaker output, wherein manual placement of the crossfader slider on a right end triggers the audio track that corresponds to the setting on the right crossfader switch to be audible on the main speaker output and wherein placement of the crossfader slider in a middle area triggers both the audio track that corresponds to the setting on the left crossfader switch and the audio track that corresponds to the setting on the right crossfader switch to be simultaneously audible on the main speaker output.