Table 1 Typical parameters for ASR complexity
From: DWT features performance analysis for automatic speech recognition of Urdu
Parameter | Range |
|---|---|
Speaking mode | Isolated words to continuous speech |
Speaking style | Read speech to spontaneous speech |
Enrollment | Speaker-dependent to speaker-independent |
Vocabulary | Small (20 words) to large (20,000 words) |
Language model | Finite-state to context-sensitive |
Perplexity | Small (10) to large (100) |
SNR | High (30 dB) to low (10 dB) |
Transducer | Voice-cancelling microphone to telephone |