Method for generating and assigning identifying tags to sound files

• US 7,383,174 B2
• Filed: 10/03/2003
• Issued: 06/03/2008
• Est. Priority Date: 10/03/2003
• Status: Expired due to Fees

• Current Assignee: Matthew A. Paulin
• Original Assignee: Matthew A. Paulin
• Inventors: Paulin, Matthew A.
• Primary Examiner(s): ABEBE, DANIEL DEMELASH
• Application Number:
  US10/679,536
• Publication Number:
  US 20050075862A1
• Time in Patent Office: 1,705 Days
• Field of Search: 704/7, 704/201, 704/203, 707/3
• US Class Current: 704/201
• CPC Class Codes: G10H 1/0041 in coded form
• CPC Class Codes: G10H 2240/135 Library retrieval index, i.e. using an indexing scheme to efficiently retrieve a music piece
• CPC Class Codes: G10L 25/48 specially adapted for particular use

Abstract

A method of generating and assigning identifying tags to sound files according to standardized criteria that result in substantially unique tags while minimizing differences in sound files that are ideally identical. A number of points in the sound file'"'"'s unique frequency domain are chosen to create a position in N dimensional space, and this position is used to determine similarities and differences among sound files.

Claims

1. A method of identifying a sound file, the method comprising the steps of:

(a) determining a frequency domain representation of at least a portion of the sound file;

(b) selecting a plurality of points at at least one predetermined frequency from the frequency domain representation; and

(c) generating an identifying tag for the sound file based upon the selected points, wherein the selected points are represented as spatial coordinates such that the sound file is identified by its position in space.

2. A method of identifying and comparing sound files, the method comprising the steps of:

(a) determining a first frequency domain representation of at least a portion of a first sound file;

(b) selecting a plurality of first points at at least one frequency from the first frequency domain representation;

(d) generating a first identifying tag for the first sound file based upon the selected first points, wherein the selected points are represented as a first set of spatial coordinates such that the first sound file is identified by its position in space;

(c) determining a second frequency domain representation of at least a portion of a second sound file;

(d) selecting a plurality of second points at the at least one frequency from the second frequency domain representation;

(e) generating a second identifying tag for the second sound file based upon the selected second points, wherein the selected points are represented as a second set of spatial coordinates such that the second sound file is identified by its position in space; and

(f) comparing the relative positions of the first and second sets of spatial coordinates in space to determine a degree of similarity between the first and second sound files.

3. The method as set forth in claim 2, wherein the step of comparing the first set of spatial coordinates to the second set of spatial coordinates involves determining a degree of distance between the first points and the second points.

4. The method as set forth in claim 2, wherein, in comparing the first set of spatial coordinates to the second set of spatial coordinates, a total number of differences that do not exceed a pre-established threshold are ignored as oddities.

5. A method of identifying a sound file, the method comprising the steps of:

(a) determining a time domain representation of at least a portion of the sound file;

(b) translating the time domain representation to a frequency domain representation;

(c) selecting a plurality of points at at least one predetermined frequency from the frequency domain representation; and

(d) generating an identifying tag for the sound file based upon the selected points, wherein the selected points are represented as spatial coordinates such that the sound file is identified by its position in space.

6. The method as set forth in claim 5, wherein the time domain representation includes time and amplitude, and wherein the frequency domain representation includes amplitude and frequency.