Still camera with audio decoding and coding, a printable audio format, and method

• US 7,847,835 B2
• Filed: 12/17/2004
• Issued: 12/07/2010
• Est. Priority Date: 12/19/2003
• Status: Active Grant

• Current Assignee: Creative Technology Ltd.
• Original Assignee: Creative Technology Ltd.
• Inventors: Chan, Tur Wei, Sim, Wong Hoo, Phay, Morgun, Hii, Desmond Toh Onn, Lim, Chin Fang, Png, Willie
• Primary Examiner(s): Ometz; David L
• Assistant Examiner(s): Trehan; Akshay
• Application Number:
  US11/016,333
• Publication Number:
  US 20050185069A1
• Time in Patent Office: 2,181 Days
• Field of Search: 348/231, 348/239, 348/231.4, 348/373
• US Class Current: 348/231.4
• CPC Class Codes: A61K 2300/00 Mixtures or combinations of active ingredients, wherein at least one active ingredient is fully defined in groups A61K31/00 - A61K41/00
• CPC Class Codes: A61K 31/355 Tocopherols, e.g. vitamin E
• CPC Class Codes: A61K 31/375 Ascorbic acid, i.e. vitamin C; Salts thereof
• CPC Class Codes: A61K 33/30 Zinc; Compounds thereof
• CPC Class Codes: G03B 31/00 Associated working of cameras or projectors with sound-recording or sound-reproducing means
• CPC Class Codes: H04N 1/00326 with a data reading, recognizing or recording apparatus, e.g. with a bar-code apparatus arrangements for the associated working of recording or reproducing apparatus with related apparatus G11B31/00
• CPC Class Codes: H04N 1/32133 on the same paper sheet, e.g. a facsimile page header
• CPC Class Codes: H04N 1/32144 embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
• CPC Class Codes: H04N 2101/00 Still video cameras
• CPC Class Codes: H04N 2201/0084 Digital still camera
• CPC Class Codes: H04N 2201/3264 of sound signals
• CPC Class Codes: H04N 2201/3269 of machine readable codes or marks, e.g. bar codes or glyphs
• CPC Class Codes: H04N 2201/3271 Printing or stamping
• CPC Class Codes: H04N 2201/328 Processing of the additional information
• CPC Class Codes: H04N 2201/3283 Compression

Abstract

A digital still camera comprises an imaging system for capturing a single image of printed material containing a printed audio format; a processor for extracting encoded audio data from the image; a decoder for receiving and decoding the encoded audio data to an audio signal; and an audio output for outputting the audio signal as audio.

Claims

1. A digital still camera, comprising:

a photographic imaging system to capture a photographic image of printed material containing a printed audio format;

a processor to extract encoded audio data from the photographic image;

a decoder to decode the encoded audio data to extract an audio tag, the audio tag being indicative of a location in a data storage storing pre-stored decoded audio data of the encoded audio data, and to decode the encoded audio data to extract the decoded audio data if the decoded audio data is not found in the data storage;

a converter for converting the decoded audio data to an audio signal;

an audio output for outputting the audio signal as audio; and

an attachment to enable a lens of the digital still camera to be located a prescribed distance from and parallel to a required location relative to the printed audio format, the attachment comprising a frame to which the camera can be attached such that the camera is at a fixed position the prescribed distance above and parallel to the printed audio format,

wherein the frame comprises a base having an opening through which the lens can capture the image and a plurality of legs extending from the base for the prescribed distance.

2. A digital still camera as claimed in claim 1, further comprising the data storage to store at least one of the encoded audio data and the decoded audio data, an amplifier for amplifying the audio signal.

3. A digital still camera as claimed in claim 1, wherein the photographic imaging system is also for taking photographs and includes an image capturing device.

4. A digital still camera as claimed in claim 1, further comprising at least one microphone for capturing an audio signal associated with a photograph, and an analog-to-digital converter for converting the audio signal associated with the photograph to an input digital audio signal;

and the decoder is also an encoder for encoding the input digital audio signal into encoded input audio data able to be printed in a printable audio format.

5. A digital still camera according to claim 4, wherein the processor embeds the encoded input audio data into an associated photograph such that printing of the photograph will result in the encoded input audio data being printed therewith as a printed audio format.

6. A digital still camera according to claim 4, wherein the encoded input audio data together with the associated photograph are stored in a data storage without embedding the encoded audio data into the associated photograph.

7. A digital still camera as claimed in claim 4, further comprising a printer for printing the printable audio format.

8. A digital still camera as claimed in claim 4, wherein the encoded input audio data is stored separately from the photograph but has a data connection to the photograph.

9. A digital still camera as claimed in claim 4, wherein the decoder/encoder encodes and decodes using at least one of Short Term Fourier Transform and Code Excitation Linear Prediction.

10. A digital still camera as claimed in claim 1, further comprising:

a first light source being for producing a first light beam directable to a required location to locate a lens of the digital still camera a prescribed distance from the required location relative to the printed audio format; and

a second light source spaced apart from the first light source to produce a second light beam directable to a further location to allow the lens of the digital still camera to be located the prescribed distance from the required location relative to the printed audio format, the first and second light sources being focused so that their beams cross when the lens is the prescribed distance from the printed audio format.

11. A digital still camera as claimed in claim 1 further comprising a view finder comprising a view finder frame, the view finder frame comprising a plurality of frame guides for placement on required locations of an image of the printed audio format when the digital still camera is substantially correctly located relative to the printed audio format.

12. A digital still camera as claimed in claim 1, wherein the frame comprises a base having an opening through which the lens can capture the image, and a plurality of side walls extending from the base for the prescribed distance;

at least one of the plurality of side walls including at least one light source for illuminating the printed audio format.

13. A digital still camera as claimed in claim 12, wherein the at least one light source is remote from the digital still camera so as to be outside a visible region of the lens.

14. A digital still camera, comprising:

a photographic imaging system to capture a single still photographic image of printed material containing a printed audio format;

a processor to search the captured still photographic image to identify a portion of the image that includes the printed audio format, to discard portions of the captured image that do not include the printed audio format, and to extract encoded audio data from remaining portions the single still photographic image;

a decoder to decode the encoded audio data to generate an audio signal;

an audio output for outputting the audio signal as audio;

a first light source and being for producing a first light beam directable to a required location to locate a lens of the digital still camera a prescribed distance from the required location relative to the printed audio format;

a second light source spaced apart from the first light source to produce a second light beam directable to a further location to allow the lens of the digital still camera to be located the prescribed distance from the required location relative to the printed audio format, the first and second light sources being focused so that their beams cross when the lens is the prescribed distance from the printed audio format; and

a third light source spaced apart from the first and second light sources, the third light source for providing a third light beam, the third light beam being for direction to at least one further location when the lens is the prescribed distance from and parallel to the printed audio format,

wherein when the first, second and third light beams focus on one point, the lens is the prescribed distance from and parallel to the printed audio format, and

wherein the first second and third light sources are arranged in a non-linear manner.

15. A digital still camera of claim 14 further comprising a diffuser associated with each of the light sources to diffuse the light beams to reduce reflections from glossy or reflective surfaces.

16. A digital still camera, comprising:

a photographic imaging system for capturing a single still photographic image of printed material containing a printed audio format;

a processor for extracting encoded audio data from the single still photographic image;

a decoder for receiving and decoding the encoded audio data to an audio signal;

an audio output for outputting the audio signal as audio; and

an attachment to enable a lens of the digital still camera to be located a prescribed distance from and parallel to a required location relative to the printed audio format, the attachment comprising a frame to which the camera can be attached such that the camera is at a fixed position the prescribed distance above and parallel to the printed audio format,

wherein the frame comprises a base having an opening through which the lens can capture the image and a plurality of legs extending from the base for the prescribed distance.

17. A digital still camera, comprising:

a photographic imaging system to capture a single still photographic image of printed material containing a printed audio format;

a processor to search the captured still photographic image to identify a portion of the image that includes the printed audio format, to discard portions of the captured image that do not include the printed audio format, and to extract encoded audio data from remaining portions the single still photographic image;

a decoder to decode the encoded audio data to generate an audio signal;

an audio output for outputting the audio signal as audio,

wherein the printed audio format comprises various markers arranged in a plurality of rails, wherein audio content is located between the rails,

wherein the remaining portions of the image comprise at least portions between the rails, and

wherein the processor is configured to;

search the still photographic image to detect at least some of the markers;

validate positions of the detected markers; and

predict locations of any remaining markers including locations of outer markers using a block matching search to identify portions of the captured image that include the audio content.

18. The digital still camera of claim 17 wherein the markers are equally spaced and vertically aligned, and

wherein the rails are parallel and equally spaced.

19. The digital still camera of claim 17 wherein the decoder is configured to decode the encoded audio content in accordance with at least one of Short Term Fourier Transform and Code Excitation Linear Prediction algorithm.