GRASS - Data Collection
This article is part of GRASS: the Graz corpus of Read And Spontaneous Speech.
Equipment
- HM
- close talking head sets (AKG HC-577)
- FM
- large diaphragm microphone (AKG C-414) + pop screen
- LG
- laryngograph → F0 reference
- V
- video camera
- LAWO
- mixing desk
Sound Quality
- 16 bit, 48 kHz sampling rate
- average SNR over all speaking styles of 49.6dB
- average SNR in conversational speech of 46.4dB
Recording Procedure
(1) Conversational Speech
1.1 Speakers (two friends or two family members) enter the reception area: contracts and instructions.
1.2 Speakers enter recording area. Instruction: talk about whatever they want; they might use cards to start the conversation.
1.3 Experimenter leaves the room, returns in one hour.
Break.
(2) Elicited Commands
2.1 Speaker 1 enters recording area.
2.2 Pictures on screen presented with SpeechRecorder elicit e.g., "Bitte die Tür schliessen!"
(3) Read Speech
3.1 Speaker 1 reads sentences and digits from screen.
Break.
2.1 -- 3.1 for Speaker 2.
