Statistics generator system and method

• US 6,675,125 B2
• Filed: 11/29/2000
• Issued: 01/06/2004
• Est. Priority Date: 11/29/1999
• Status: Expired due to Term

• Current Assignee: SYFX
• Original Assignee: SYFX
• Inventors: Bizjak, Karl M.
• Primary Examiner(s): Assouad, Patrick
• Application Number:
  US09/726,701
• Publication Number:
  US 20020103619A1
• Time in Patent Office: 1,133 Days
• Field of Search: 702/179, 333/14, 700/94, 381/71.1, 381/71.11, 381/71.12
• US Class Current: 702/179
• CPC Class Codes: G10L 21/0232 Processing in the frequency domain
• CPC Class Codes: H03G 3/3089 Control of digital or coded signals
• CPC Class Codes: H03G 3/32 the control being dependent upon ambient noise level or sound level
• CPC Class Codes: H03G 7/002 in untuned or low-frequency amplifiers, e.g. audio amplifiers H03G7/007, H03G7/001, H03G7/008, H03G7/02, H03G7/06 take precedence
• CPC Class Codes: H03G 7/007 of digital or coded signals
• CPC Class Codes: H03G 7/06 having semiconductor devices
• CPC Class Codes: H03G 9/005 of digital or coded signals
• CPC Class Codes: H03G 9/025 frequency-dependent volume compression or expansion, e.g. multiple-band systems H03G9/10, H03G9/18 take precedence
• CPC Class Codes: H04R 2227/005 Audio distribution systems for home, i.e. multi-room use
• CPC Class Codes: H04R 25/356 Amplitude, e.g. amplitude shift or compression
• CPC Class Codes: H04R 27/00 Public address systems circuits for preventing acoustic reaction H04R3/02; circuits for distributing signals to loudspeakers H04R3/12; monitoring or testing arrangements for public address systems H04R29/007; amplifiers H03F
• CPC Class Codes: H04R 3/002 Damping circuit arrangements for transducers, e.g. motional feedback circuits

Abstract

A method and system for monitoring, maintaining and analyzing statistical performance information in a signal processing system includes collecting data representing a plurality of aspects of the signal processing system, developing a histogram representative of the data in accordance with a chosen algorithm, and analyzing historical histogram data to generate condition signals for use by the signal processing system.

Claims

1. The method of generating statistical analysis for a signal processing system comprising

collecting predetermined data representing a plurality of aspects of the signal processing system in addition to frequency and amplitude,

applying an algorithm to the collected data to generate a histogram representative of the data,

storing the histogram data,

analyzing the stored histogram data in accordance with a predetermined algorithm,

generating appropriate condition signals in response to the analyzing step.

2. The method of claim 1 further including updating the algorithm applied to the collected data.

3. The method of claim 2 further including repeating the collecting, applying and storing steps.

4. The method of claim 3 further including repeating the analyzing, generating and updating steps to provide a statistical analysis of the performance of the signal processing system over time.

5. The method of claim 1 wherein the predetermined data collected in the collecting step includes as least one of input signal power, peak signal power, minimum signal power, input signal amplitude, peak input amplitude, minimum input amplitude, average input amplitude, output amplitude, output power, minimum output amplitude, peak output amplitude, minimum output power, peak output power, clipping, signal clipping events, noise, environmental indicia, initial, intermediate and final power estimates.

6. The method of claim 1 wherein the stored histogram data analyzed in the analyzing step includes at least one of input signal dynamic range and output signal dynamic range.

7. The method of claim 1 wherein the algorithm applied in the applying step includes at least one of a group including time interval recording, resetting the histogram data, scaling the histogram data.

8. A method of generating statistical analysis for a signal processing system comprising

collecting predetermined data representing a plurality of aspects of the signal processing system,

applying an algorithm to the collected data to generate a histogram representative of the data,

storing the histogram data,

analyzing the stored histogram data in accordance with a predetermined algorithm,

generating appropriate condition signals in response to the analyzing step wherein the condition signals set in the generating step include resetting an input level adjuster, adjusting an input level matcher, and adjusting compander kneepoints.

9. A method of generating statistical analysis for a signal processing system comprising

collecting predetermined data representing a plurality of aspects of the signal processing system,

applying an algorithm to the collected data to generate a histogram representative of the data,

storing the histogram data,

analyzing the stored histogram data in accordance with a predetermined algorithm,

generating appropriate condition signals in response to the analyzing step wherein the condition signals set in the generating step include threshold signals for a user interface.

10. The method of generating statistical analysis for a signal processing system comprising

collecting predetermined data representing a plurality of aspects of the signal processing system,

applying an algorithm to the collected data to generate a histogram representative of the data,

storing the histogram data,

analyzing the stored histogram data in accordance with a predetermined algorithm,

generating appropriate gain calculate conditions in response to the analyzing step to reduce gain.