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1,796 Hours – German Speech Dataset by Mobile Phone (Scripted Monologue)

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1,796 Hours – German Speech Dataset by Mobile Phone, collected from monologue based on given scripts, covering generic domain, human-machine interaction, smart home command and in-car command, numbers and other domains. Transcribed with text content and other attributes. Our dataset was collected from extensive and diversify speakers(3,442 German native speakers in total), geographicly speaking, enhancing model performance in real and complex tasks.Quality tested by various AI companies. We strictly adhere to data protection regulations and privacy standards, ensuring the maintenance of user privacy and legal rights throughout the data collection, storage, and usage processes, our datasets are all GDPR, CCPA, PIPL complied.

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SpecificationsSpecifications
Format
16kHz, 16bit, uncompressed wav, mono channel;
Recording condition
Low background noise(indoor), without echo;
Content category
Generic domain; human-machine interaction; smart home command and control; in-car command and control; numbers
Recording device
Android Smartphone, iPhone;
Speaker
3,442 speakers totally, with 44% male and 56% female ; and 60% speakers of all are in the age group of 18-25,35% speakers of all are in the age group of 26-45, 5% speakers of all are in the age group of 46-60;
Country
Germany(DEU);
Language(Region) Code
de-DE;
Language
German;
Features of annotation
Transcription text;
Accuracy Rate
Sentence Accuracy Rate (SAR) 95%
Sample Sample
  • Audio

    Spiele ein Lied von einem anderen Sänger.

  • Audio

    Nein, er ist derjenige, der es als erster diagnostizierte.

  • Audio

    der fünfzehnte der Februar zweitausendeins

  • Audio

    Wo kann man in Botsuana wandern gehen?

  • Audio

    Wo kann ich mir in Neuseeland Autos mieten?

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What languages and scenarios are covered by Nexdata’s speech recognition datasets?

Nexdata offers speech recognition datasets covering a broad range of languages, dialects, and accents, backed by extensive global language resources. Our datasets include diverse speakers, acoustic environments, and real-world speech scenarios, supporting multilingual ASR, voice assistants, conversational AI, speech-to-text, and other speech-enabled applications.

Can Nexdata customize speech recognition datasets for specific languages or requirements?

Yes. If our off-the-shelf datasets do not fully meet your requirements, Nexdata provides flexible custom data collection, transcription, and annotation services. We can customize datasets based on target languages or dialects, speaker profiles, recording environments, speech scenarios, data volume, and annotation specifications to meet specific ASR development needs.

How does Nexdata ensure the quality and scalability of speech recognition datasets?

Nexdata applies multi-stage quality control throughout speech data collection, transcription, annotation, and validation. Combined with our extensive language resources and scalable collection capabilities, we can support both large-scale multilingual projects and specialized datasets for specific languages, dialects, accents, and speech scenarios.

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