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README.md

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+# Dataset Card for Nexdata/Italian_Conversational_Speech_Data_by_Telephone
+
+## Description
+The 500 Hours - Italian Conversational Speech Data involved more than 700 native speakers, developed with proper balance of gender ratio, Speakers would choose a few familiar topics out of the given list and start conversations to ensure dialogues' fluency and naturalness. The recording devices are various mobile phones. The audio format is 8kHz, 8bit, and all the speech data was recorded in quiet indoor environments. All the speech audio was manually transcribed with text content, the start and end time of each effective sentence, and speaker identification.
+
+For more details, please refer to the link: https://www.nexdata.ai/datasets/1232?source=Huggingface
+
+# Specifications
+## Format
+8kHz, 8bit, u-law pcm, mono channel;
+## Recording Environment
+quiet indoor environment, without echo;
+## Recording content
+dozens of topics are specified, and the speakers make dialogue under those topics while the recording is performed;
+## Demographics
+about 700 people.
+## Annotation
+annotating for the transcription text, speaker identification and gender
+## Device
+Telephony recording system;
+## Language
+Italian
+## Application scenarios
+speech recognition; voiceprint recognition;
+## Accuracy rate
+the word accuracy rate is not less than 98%
+
+# Licensing Information
+Commerical License