It is used for speech recognition and comparison. Content filter, endpoint detection, vowel detection, GUI and so on. Pro test available, very suitable! It is used for speech recognition and comparison. Content filter, endpoint detection, vowel detection, GUI and so on. Pro test available, very suitable! It is used for speech recognition and comparison. Content filter, endpoint detection, vowel detection, GUI and so on. Pro test available, very suitable! It is used for speech recognition and comparison. Content filter, endpoint detection, vowel detection, GUI and so on. Pro test available, very suitable! It is used for speech recognition and comparison. Content filter, endpoint detection, vowel detection, GUI and so on. Pro test available, very suitable! It is used for speech recognition and comparison. Content filter, endpoint detection, vowel detection, GUI and so on. Pro test available, very suitable!