# SpeechGen Browser-based text-to-speech and transcription for creators, educators, and teams. - Findings24: - ウェブサイト: - 料金: Freemium - カテゴリー: 音声テキスト化, AI音声生成ツール ## SpeechGenとは？ SpeechGen is a browser-based AI text-to-speech service for turning typed or uploaded text into downloadable audio. Users choose among voices and languages, adjust delivery settings, and export a finished narration. The editor supports long scripts as well as short passages, with controls for speech timing, pronunciation, and mixing background audio. It also includes audio-to-text transcription, so the same credit balance can be used for speech generation or transcription. ## SpeechGenでできること ### Voice and language selection Choose from more than 5,000 voices across 150 languages, with Standard, HD, and PRO quality tiers and regional variants. ### Speech and export controls Adjust speed, pitch, volume, pauses, emphasis, and pronunciation. Download audio in formats including MP3, WAV, OGG, and FLAC. ### Long-form and document input Paste scripts up to 1,000,000 characters or upload DOCX, PDF, and SRT files. Text-based PDFs can be converted; scanned documents need OCR first. ### Multispeaker and segmented output Assign different voices to paragraphs using speaker tags, or insert \ on its own line to export separate audio segments. ### Audio production tools Add background music from the built-in library or upload a track, then mix it with narration in the editor. ### Transcription and API access Use credits for audio-to-text transcription, with speaker diarization, word-level timestamps, subtitle export, bulk export, and API access listed among included capabilities. ## 利用シーン ### Video and marketing narration Create voiceover audio for explainers, product launches, and other video scripts, with control over voice and pace. ### Courses and training materials Produce narrated lessons or language drills, including scripts that switch between speakers or languages. ### Phone systems and IVR Generate recorded business prompts and update them as service information changes. ### Books, papers, and reports Convert text-based PDFs or long scripts into audio for listening away from a screen; segmented output can separate chapters or sections. ### Localization and accessibility Create spoken versions in multiple languages and use transcription tools to generate timed subtitles from audio. ## よくある質問 ### Can I try SpeechGen without creating an account? The home page offers the first 1,000 characters without an account. The PDF conversion page lists 3,000 characters for its no-sign-up allowance. ### Which file formats can I download? The site lists MP3, WAV, OGG, and FLAC among its audio exports. The editor also offers additional formats, including OPUS, M4A, and WebM OPUS. ### Can it read scanned PDFs? PDF conversion supports text-based PDFs. Scanned files need to be processed with OCR before upload. ### How are credits charged and how long do they last? Credits are charged by character, with different rates by voice tier: Standard uses one credit per two characters, PRO one per character, and HD two per character. Purchased credits are valid for up to one year; topping up resets the expiry period. ### Can I use credits for transcription as well as speech generation? Yes. The pricing page describes one shared credit balance for text-to-speech and audio-to-text transcription. ## クイック情報 - **Product type**: AI text-to-speech and audio transcription service - **Platform**: Browser-based; no software installation required - **Voice library**: 5,000+ voices and 150 languages listed - **Input options**: Typed text, DOCX, PDF, and SRT - **Credit model**: Pay-as-you-go credit packs; no subscription required - **Website**: speechgen.io