音声合成

2種類のスタイルでモーフィングした音声を合成する

指定された2種類のスタイルで音声を合成、指定した割合でモーフィングした音声を得ます。

モーフィングの割合はmorph_rateで指定でき、0.0でベースのスタイル、1.0でターゲットのスタイルに近づきます。

post/synthesis_morphing

Query parameters

base_speakerinteger required

target_speakerinteger required

morph_ratenumber required

enable_interrogative_upspeakboolean

疑問系のテキストが与えられたら語尾を自動調整する

core_versionstring

Request body

speedScalenumber required

全体の話速

pitchScalenumber required

全体の音高

intonationScalenumber required

全体の抑揚

volumeScalenumber required

全体の音量

prePhonemeLengthnumber required

音声の前の無音時間

postPhonemeLengthnumber required

音声の後の無音時間

pauseLengthnumber nullable

句読点などの無音時間。nullのときは無視される。デフォルト値はnull

pauseLengthScalenumber

句読点などの無音時間（倍率）。デフォルト値は1

outputSamplingRateinteger required

音声データの出力サンプリングレート

outputStereoboolean required

音声データをステレオ出力するか否か

kanastring

[読み取り専用]AquesTalk 風記法によるテキスト。音声合成用のクエリとしては無視される

Response

Successful Response

Changes

Changed in 15 of the 36 revisions of this API.11828

Jun 17, 2025defa0e760ef01See the full diff
- ○
  added the new optional query request parameter enable_interrogative_upspeak
  new-optional-request-parameter
Mar 2, 2025d8b6a60f88af1See the full diff
- ○
  api operation id _synthesis_morphing_synthesis_morphing_post removed and replaced with _synthesis_morphing
  api-operation-id-removed
Jan 3, 2025b7afc41080b3512See the full diff
- ▲
  added the new required request property accent_phrases/items/pause_mora/pitch
  new-required-request-property
- ▲
  added the new required request property accent_phrases/items/pause_mora/text
  new-required-request-property
- ▲
  added the new required request property accent_phrases/items/pause_mora/vowel
  new-required-request-property
- ▲
  added the new required request property accent_phrases/items/pause_mora/vowel_length
  new-required-request-property
- ▲
  the accent_phrases/items/pause_mora request property type/format changed from / to object/
  request-property-type-changed
- ●
  removed Mora from the accent_phrases/items/pause_mora request property allOf list
  request-property-all-of-removed
- ○
  added the new optional request property accent_phrases/items/pause_mora/consonant
  new-optional-request-property
- ○
  added the new optional request property accent_phrases/items/pause_mora/consonant_length
  new-optional-request-property
Oct 5, 2024e86c0159e1bd1See the full diff
- ○
  request property pauseLength list-of-types was widened by adding types null to media type application/json
  request-property-list-of-types-widened
Jun 28, 20243b94f9a50fd22See the full diff
- ○
  added the new optional request property pauseLength
  new-optional-request-property
- ○
  added the new optional request property pauseLengthScale
  new-optional-request-property
This revision also has 1 change that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog
Jan 28, 20242e8475c446af222See the full diff
- ▲
  the query request parameter base_speaker became required
  request-parameter-became-required
- ▲
  the query request parameter target_speaker became required
  request-parameter-became-required
- ●
  deleted the query request parameter base_style_id
  request-parameter-removed
- ●
  deleted the query request parameter target_style_id
  request-parameter-removed
- ○
  query request parameter base_speaker was reactivated
  request-parameter-reactivated
- ○
  query request parameter target_speaker was reactivated
  request-parameter-reactivated
Jan 22, 2024ba5021ec9a6d6See the full diff
- ○
  added the new optional query request parameter base_style_id
  new-optional-request-parameter
- ○
  added the new optional query request parameter target_style_id
  new-optional-request-parameter
- ○
  the query request parameter base_speaker became optional
  request-parameter-became-optional
- ○
  the query request parameter target_speaker became optional
  request-parameter-became-optional
- ○
  query request parameter base_speaker was deprecated
  request-parameter-deprecated
- ○
  query request parameter target_speaker was deprecated
  request-parameter-deprecated
Jan 20, 20242a8c9cc0823a222See the full diff
- ▲
  the query request parameter base_speaker became required
  request-parameter-became-required
- ▲
  the query request parameter target_speaker became required
  request-parameter-became-required
- ●
  deleted the query request parameter base_style_id
  request-parameter-removed
- ●
  deleted the query request parameter target_style_id
  request-parameter-removed
- ○
  query request parameter base_speaker was reactivated
  request-parameter-reactivated
- ○
  query request parameter target_speaker was reactivated
  request-parameter-reactivated
This revision also has 4 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog
Jan 17, 202498b1b5ed5d83116See the full diff
- ▲
  response property detail/items/loc/items/ list-of-types was widened by adding types integer to media type application/json of response 422
  response-property-list-of-types-widened
- ●
  removed the request property periodic_pitch
  request-property-removed
- ○
  added the new optional query request parameter base_style_id
  new-optional-request-parameter
- ○
  added the new optional query request parameter target_style_id
  new-optional-request-parameter
- ○
  the query request parameter base_speaker became optional
  request-parameter-became-optional
- ○
  the query request parameter target_speaker became optional
  request-parameter-became-optional
- ○
  query request parameter base_speaker was deprecated
  request-parameter-deprecated
- ○
  query request parameter target_speaker was deprecated
  request-parameter-deprecated
This revision also has 3 changes that name no endpoint, such as unreferenced schemas being removed. See the revision's changelog
Oct 7, 2023a93282ebb9a21See the full diff
- ○
  added the new optional request property periodic_pitch
  new-optional-request-property

Full history (15 revisions)