Dynamic transrating based on audio analysis of multimedia content

Abstract

Exemplary techniques for modifying multimedia data based on content are disclosed. One technique comprises determining whether a first portion of multimedia content of multimedia data has a first content characteristic and performing one or more content actions associated with the first content characteristic when the first portion of the multimedia content is determined to have the first content characteristic, wherein the one or more content actions modify a first portion of the multimedia data associated with the first portion of the multimedia content.

1 . In a multimedia processing device, a method comprising:
 performing an audio analysis of audio content of multimedia data for a specified sound, the multimedia data representing multimedia content for a program; and   modifying the multimedia data in response to determining the specified sound is present in the audio content.   
   
   
       2 . The method of  claim 1 , wherein the specified sound is a spoken word. 
   
   
       3 . The method of  claim 2 , wherein the program comprises a sports program and the spoken word is associated with an event in the sports program. 
   
   
       4 . The method of  claim 1 , wherein modifying the multimedia data comprises changing an audio volume for a portion of the multimedia data that is associated with the specified sound. 
   
   
       5 . The method of  claim 1 , wherein modifying the multimedia data comprises changing at least one of a bit rate or a resolution for a portion of the multimedia data that is associated with the specified sound. 
   
   
       6 . The method of  claim 1 , wherein modifying the multimedia data comprises inserting an identifier into a portion of the multimedia data that is associated with the specified sound, the identifier identifying the portion of the multimedia data as being associated with the specified sound. 
   
   
       7 . The method of  claim 1 , further comprising:
 identifying a select template of a plurality of templates based on the program, wherein the select template comprises a rule specifying an audio analysis for the specified sound; and   wherein performing the audio analysis comprises performing the audio analysis based on the select template.   
   
   
       8 . The method of  claim 7 , wherein the select template is identified based on received electronic programming guide information associated with the program. 
   
   
       9 . A multimedia processing device comprising:
 a content analyzer to perform an audio analysis of audio content of multimedia data for a specified sound, the multimedia data representing multimedia content for a program; and   a transcoder to modify the multimedia data in response to determining the specified sound is present in the audio content.   
   
   
       10 . The multimedia processing device of  claim 9 , wherein the specified sound is a spoken word. 
   
   
       11 . The multimedia processing device of  claim 10 , wherein the program comprises a sports program and the spoken word is associated with an event in the sports program. 
   
   
       12 . The multimedia processing device of  claim 9 , wherein the transcoder is to modify the multimedia data by changing an audio volume for a portion of the multimedia data that is associated with the specified sound. 
   
   
       13 . The multimedia processing device of  claim 9 , wherein the transcoder is to modify the multimedia data by changing at least one of a bit rate or a resolution for a portion of the multimedia data that is associated with the specified sound. 
   
   
       14 . The multimedia processing device of  claim 9 , further comprising:
 a system layer formatter to insert an identifier into a portion of the multimedia data that is associated with the specified sound, the identifier identifying the portion of the multimedia data as being associated with the specified sound.   
   
   
       15 . The multimedia processing device of  claim 9 , further comprising:
 a rules table identifier module to identify a select template of a plurality of templates based on the program, wherein the select template comprises a rule specifying an audio analysis for the specified sound; and   wherein the content analyzer performs the audio analysis based on the select template.   
   
   
       16 . In a multimedia processing device, a method comprising:
 receiving multimedia data representing multimedia content for a program;   identifying a select template of a plurality of templates based on the program, wherein the select template comprises a plurality of rules, each rule comprising a characteristic and one or more actions to be performed by the multimedia processing device in association with the characteristic, wherein the plurality of rules includes a select rule comprising a characteristic representing a specified sound;   performing an audio analysis of the multimedia data for the specified sound responsive to identifying the select rule in the select template.   
   
   
       17 . The method of  claim 16 , further comprising
 performing the one or more actions associated with the select rule when a portion of the multimedia data is determined to have the specified sound.   
   
   
       18 . The method of  claim 17 , wherein the one or more actions associated with the select rule comprise an action to change at least one of a bit rate or a resolution of at least the portion of the multimedia data. 
   
   
       19 . The method of  claim 17 , wherein the one or more actions associated with the select rule comprise an action to change a volume for least the portion of the multimedia data. 
   
   
       20 . The method of  claim 17 , wherein the one or more actions associated with the select rule comprise an action to insert an identifier into the portion of the multimedia data, the identifier identifying the portion of the multimedia data as having the specified sound.