Patent Document ID: 7617106
Application ID: 10578073

Base Claim:
1. A method for error detection within text transcribed from a first speech signal by an automatic speech-to-text transcription system, comprising: synthesizing a second speech signal from the transcribed text; providing first and second speech signal outputs for a comparison between first and second speech signals for an identification of potential errors in the text; subtracting or superimposing first and second speech signals to generate a comparison signal; and at least one of: providing the comparison signal acoustically and/or visually, and outputting an error indication when an amplitude of the comparison signal is beyond a predefined range.

---

Claim 3:
3. The method according to claim 1 , further including: applying a set of filter functions to the first speech signal to approximate a spectrum of the first speech signal relative to a spectrum of the second speech signal.