[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[],[],null,["# Concepts\n\n- [### Speech-to-Text V2 basics\n Learn the fundamental concepts in Speech-to-Text.](/speech-to-text/v2/docs/basics)\n- [### Regional availability\n Learn how to find out about Speech-to-Text availability by region.](/speech-to-text/v2/docs/locations)\n- [### Best practices\n Review the best practices for transcribing audio with\n Speech-to-Text.](/speech-to-text/v2/docs/best-practices)\n- [### Encoding\n Learn about audio data encoding as it relates to Speech-to-Text.](/speech-to-text/v2/docs/encoding)\n- [### Model adaptation\n Learn how to improve the accuracy of speech transcription results\n from Speech-to-Text using speech adaptation.](/speech-to-text/v2/docs/adaptation-model)\n- [### Migrating to v2\n Learn what is new and improved in the v2 API and how to migrate from the v1\n API.](/speech-to-text/v2/docs/migration)\n- [### Single utterance behavior\n Learn about single utterance behavior with Speech-to-Text V2 models.](/speech-to-text/v2/docs/single-utterance)\n- [### Voice activity events and timeouts\n Learn about voice activity events and how to use them with streaming gRPC\n requests.](/speech-to-text/v2/docs/single-utterance)\n- [### Access control with IAM\n Control Speech-to-Text access and permissions\n by using Identity and Access Management](/speech-to-text/v2/docs/iam)\n- [### Audit logging\n Enable audit logs, log format, and viewing logs.](/speech-to-text/v2/docs/audit-logging)\n- [### Encryption\n Use Cloud Key Management Service to encrypt Speech-to-Text resources.](/speech-to-text/v2/docs/encryption)"]]