IDENTIFYING FEATURES IN A PORTION OF A SIGNAL REPRESENTING SPEECH
First Claim
1. A method of processing a signal representing speech, the method comprising:
- receiving a region of the signal representing speech, wherein the region comprises a portion of a frame of the signal representing speech classified as a voiced frame and wherein the region is marked based on one or more pitch estimates for the region; and
identifying a cord within the region of the signal based on occurrence of one or more events within the region of the signal, wherein the one or more events comprise one or more glottal pulses and the cord begins with onset of a first glottal pulse and extends to a point prior to an onset of a second glottal pulse but excludes a portion of the region of the signal prior to the onset of the second glottal pulse.
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Abstract
Methods, systems, and machine-readable media are disclosed for processing a signal representing speech. According to one embodiment, processing a signal representing speech can comprise receiving a region of the signal representing speech. The region can comprise a portion of a frame of the signal representing speech classified as a voiced frame. The region can be marked based on one or more pitch estimates for the region. A cord can be identified within the region based on occurrence of one or more events within the region of the signal. For example, the one or more events can comprise one or more glottal pulses. In such cases, cord can begin with onset of a first glottal pulse and extend to a point prior to an onset of a second glottal pulse. The cord may exclude a portion of the region of the signal prior to the onset of the second glottal pulse.
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Citations
21 Claims
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1. A method of processing a signal representing speech, the method comprising:
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receiving a region of the signal representing speech, wherein the region comprises a portion of a frame of the signal representing speech classified as a voiced frame and wherein the region is marked based on one or more pitch estimates for the region; and identifying a cord within the region of the signal based on occurrence of one or more events within the region of the signal, wherein the one or more events comprise one or more glottal pulses and the cord begins with onset of a first glottal pulse and extends to a point prior to an onset of a second glottal pulse but excludes a portion of the region of the signal prior to the onset of the second glottal pulse. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system comprising:
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an input device adapted to detect sound representing speech and convert the sound to an electrical signal representing the speech; and a classification module communicatively coupled with the input device and adapted to receive a frame of the signal representing speech and classify the frame as a voiced frame a pitch estimation and marking module communicatively coupled with the classification module and adapted to mark a region of the voiced frame based on one or more pitch estimates for the region; and a cord finder module communicatively coupled with the pitch estimation and marking module and adapted to identify a cord within the region of the signal based on occurrence of one or more events within the region of the signal, wherein the one or more events comprise one or more glottal pulses and the cord begins with onset of a first glottal pulse and extends to a point prior to an onset of a second glottal pulse but excludes a portion of the region of the signal prior to the onset of the second glottal pulse. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A machine-readable medium having stored herein a series of instruction which, when executed by a processor, cause the processor to process a signal representing speech by:
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receiving a region of the signal representing speech, wherein the region comprises a portion of a frame of the signal representing speech classified as a voiced frame and wherein the region is marked based on one or more pitch estimates for the region; and identifying a cord within the region of the signal based on occurrence of one or more events within the region of the signal, wherein the one or more events comprise one or more glottal pulses and the cord begins with onset of a first glottal pulse and extends to a point prior to an onset of a second glottal pulse but excludes a portion of the region of the signal prior to the onset of the second glottal pulse.
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Specification