In transcribing the minutes of a meeting from the recording or in a human-machine interface by voice command, ambient voice or noise may make it difficult to hear the desired voice clearly. For this reason, needs for technology that emphasizes only audio in a specific direction is increasing. There is an alternative solution to use a directional microphone, but the cost and size are major issues.
TMC has developed and commercialized a software IP that realizes high-quality sound by beam forming and reducing the ambient noise by noise suppressor for the sound picked up by two inexpensive omnidirectional microphones.
|Sampling Frequency||16kHz (compatible for 8kHz, 32kHz, 48kHz)|
|Input Data Format||16-bit linear PCM, 2 channels|
|Output Data Format||16-bit linear PCM, 1 channel|
|Processing Unit||10msec (or 8msec)|
|Microphones||Two omnidirectional microphones|
|Strength of Beam Forming||Adjustable in 7 steps|
|Strength of Noise Suppression||Adjustable in 9 steps|