diff --git a/dictation_server/.env b/dictation_server/.env
index cfcf9f8..eba8c6a 100644
--- a/dictation_server/.env
+++ b/dictation_server/.env
@@ -13,3 +13,4 @@ TENANT_NAME=adb2codmsdev
 SIGNIN_FLOW_NAME=b2c_1_signin_dev
 EMAIL_CONFIRM_LIFETIME=86400000
 APP_DOMAIN=https://10.1.0.10:4443/
+STORAGE_TOKEN_EXPIRE_TIME=2
\ No newline at end of file
diff --git a/dictation_server/.env.local.example b/dictation_server/.env.local.example
index 64e244c..c4deccc 100644
--- a/dictation_server/.env.local.example
+++ b/dictation_server/.env.local.example
@@ -16,7 +16,6 @@ MAIL_FROM=xxxxx@xxxxx.xxxx
 NOTIFICATION_HUB_NAME=ntf-odms-shared
 NOTIFICATION_HUB_CONNECT_STRING=XXXXXXXXXXXXXXXXXX
 APP_DOMAIN=http://localhost:8081/
-STORAGE_TOKEN_EXPIRE_TIME=30
 STORAGE_ACCOUNT_NAME_US=saodmsusdev
 STORAGE_ACCOUNT_NAME_AU=saodmsaudev
 STORAGE_ACCOUNT_NAME_EU=saodmseudev
diff --git a/dictation_server/src/common/error/code.ts b/dictation_server/src/common/error/code.ts
index 08823d3..3bba8ea 100644
--- a/dictation_server/src/common/error/code.ts
+++ b/dictation_server/src/common/error/code.ts
@@ -36,4 +36,6 @@ export const ErrorCodes = [
   'E010501', // アカウント不在エラー
   'E010601', // タスク変更不可エラー（タスクが変更できる状態でない、またはタスクが存在しない）
   'E010602', // タスク変更権限不足エラー
+  'E010603', // タスク不在エラー
+  'E010701', // Blobファイル不在エラー
 ] as const;
diff --git a/dictation_server/src/common/error/message.ts b/dictation_server/src/common/error/message.ts
index 4e74380..f4ef422 100644
--- a/dictation_server/src/common/error/message.ts
+++ b/dictation_server/src/common/error/message.ts
@@ -25,4 +25,6 @@ export const errors: Errors = {
   E010501: 'Account not Found Error.',
   E010601: 'Task is not Editable Error',
   E010602: 'No task edit permissions Error',
+  E010603: 'Task not found Error.',
+  E010701: 'File not found in Blob Storage Error.',
 };
diff --git a/dictation_server/src/features/files/errors/types.ts b/dictation_server/src/features/files/errors/types.ts
new file mode 100644
index 0000000..6b20c5b
--- /dev/null
+++ b/dictation_server/src/features/files/errors/types.ts
@@ -0,0 +1,2 @@
+// 音声ファイル不在エラー
+export class AudioFileNotFoundError extends Error {}
diff --git a/dictation_server/src/features/files/files.controller.ts b/dictation_server/src/features/files/files.controller.ts
index cabea34..a9a402a 100644
--- a/dictation_server/src/features/files/files.controller.ts
+++ b/dictation_server/src/features/files/files.controller.ts
@@ -178,16 +178,24 @@ export class FilesController {
       '指定した音声ファイルのBlob Storage上のダウンロード先アクセスURLを取得します',
   })
   @ApiBearerAuth()
+  @UseGuards(AuthGuard)
+  @UseGuards(
+    RoleGuard.requireds({ roles: [USER_ROLES.AUTHOR, USER_ROLES.TYPIST] }),
+  )
   async downloadLocation(
-    @Headers() headers,
+    @Req() req: Request,
     @Query() body: AudioDownloadLocationRequest,
   ): Promise<AudioDownloadLocationResponse> {
-    // eslint-disable-next-line @typescript-eslint/no-unused-vars
     const { audioFileId } = body;
-    //  コンテナ作成処理の前にアクセストークンの認証を行う
-    //
 
-    return { url: '' };
+    const token = retrieveAuthorizationToken(req);
+    const accessToken = jwt.decode(token, { json: true }) as AccessToken;
+    const url = await this.filesService.publishAudioFileDownloadSas(
+      accessToken.userId,
+      audioFileId,
+    );
+
+    return { url };
   }
 
   @Get('template/download-location')
diff --git a/dictation_server/src/features/files/files.service.spec.ts b/dictation_server/src/features/files/files.service.spec.ts
index 645be8c..4c71073 100644
--- a/dictation_server/src/features/files/files.service.spec.ts
+++ b/dictation_server/src/features/files/files.service.spec.ts
@@ -6,8 +6,16 @@ import {
   makeDefaultUsersRepositoryMockValue,
   makeFilesServiceMock,
 } from './test/files.service.mock';
+import { DataSource } from 'typeorm';
+import {
+  createAccount,
+  createTask,
+  createUser,
+  makeTestingModuleWithBlob,
+} from './test/utility';
+import { FilesService } from './files.service';
 
-describe('FilesService', () => {
+describe('音声ファイルアップロードURL取得', () => {
   it('アップロードSASトークンが乗っているURLを返却する', async () => {
     const blobParam = makeBlobstorageServiceMockValue();
     const userRepoParam = makeDefaultUsersRepositoryMockValue();
@@ -95,7 +103,9 @@ describe('FilesService', () => {
       new HttpException(makeErrorResponse('E009999'), HttpStatus.UNAUTHORIZED),
     );
   });
+});
 
+describe('タスク作成', () => {
   it('文字起こしタスクを作成できる', async () => {
     const blobParam = makeBlobstorageServiceMockValue();
     const userRepoParam = makeDefaultUsersRepositoryMockValue();
@@ -271,6 +281,139 @@ describe('FilesService', () => {
   });
 });
 
+describe('音声ファイルダウンロードURL取得', () => {
+  let source: DataSource = null;
+  beforeEach(async () => {
+    source = new DataSource({
+      type: 'sqlite',
+      database: ':memory:',
+      logging: false,
+      entities: [__dirname + '/../../**/*.entity{.ts,.js}'],
+      synchronize: true, // trueにすると自動的にmigrationが行われるため注意
+    });
+    return source.initialize();
+  });
+
+  afterEach(async () => {
+    await source.destroy();
+    source = null;
+  });
+
+  it('ダウンロードSASトークンが乗っているURLを取得できる', async () => {
+    const { accountId } = await createAccount(source);
+    const { externalId, userId } = await createUser(
+      source,
+      accountId,
+      'author-user-external-id',
+      'author',
+      'AUTHOR_ID',
+    );
+    const url = `https://saodmsusdev.blob.core.windows.net/account-${accountId}/${userId}`;
+
+    const { audioFileId } = await createTask(
+      source,
+      accountId,
+      url,
+      'test.zip',
+    );
+
+    const blobParam = makeBlobstorageServiceMockValue();
+    blobParam.publishDownloadSas = `${url}?sas-token`;
+    blobParam.fileExists = true;
+
+    const module = await makeTestingModuleWithBlob(source, blobParam);
+    const service = module.get<FilesService>(FilesService);
+
+    expect(
+      await service.publishAudioFileDownloadSas(externalId, audioFileId),
+    ).toEqual(`${url}?sas-token`);
+  });
+
+  it('Typistの場合、タスクのステータスが[Uploaded,Inprogress,Pending]以外でエラー', async () => {
+    const { accountId } = await createAccount(source);
+    const { externalId, userId } = await createUser(
+      source,
+      accountId,
+      'typist-user-external-id',
+      'typist',
+      undefined,
+    );
+    const url = `https://saodmsusdev.blob.core.windows.net/account-${accountId}/${userId}`;
+
+    const { audioFileId } = await createTask(
+      source,
+      accountId,
+      url,
+      'test.zip',
+    );
+
+    const blobParam = makeBlobstorageServiceMockValue();
+    blobParam.publishDownloadSas = `${url}?sas-token`;
+    blobParam.fileExists = true;
+
+    const module = await makeTestingModuleWithBlob(source, blobParam);
+    const service = module.get<FilesService>(FilesService);
+
+    expect(
+      await service.publishAudioFileDownloadSas(externalId, audioFileId),
+    ).toEqual(`${url}?sas-token`);
+  });
+
+  it('Taskが存在しない場合はエラーとなる', async () => {
+    const { accountId } = await createAccount(source);
+    const { externalId } = await createUser(
+      source,
+      accountId,
+      'author-user-external-id',
+      'author',
+      'AUTHOR_ID',
+    );
+
+    const blobParam = makeBlobstorageServiceMockValue();
+
+    const module = await makeTestingModuleWithBlob(source, blobParam);
+    const service = module.get<FilesService>(FilesService);
+
+    await expect(
+      service.publishAudioFileDownloadSas(externalId, 1),
+    ).rejects.toEqual(
+      new HttpException(makeErrorResponse('E010603'), HttpStatus.BAD_REQUEST),
+    );
+  });
+
+  it('blobストレージにファイルが存在しない場合はエラーとなる', async () => {
+    const { accountId } = await createAccount(source);
+    const { externalId, userId } = await createUser(
+      source,
+      accountId,
+      'author-user-external-id',
+      'author',
+      'AUTHOR_ID',
+    );
+    const url = `https://saodmsusdev.blob.core.windows.net/account-${accountId}/${userId}`;
+
+    const { audioFileId } = await createTask(
+      source,
+      accountId,
+      url,
+      'test.zip',
+    );
+
+    const blobParam = makeBlobstorageServiceMockValue();
+    blobParam.publishDownloadSas = `${url}?sas-token`;
+    blobParam.fileExists = false;
+
+    const module = await makeTestingModuleWithBlob(source, blobParam);
+    const service = module.get<FilesService>(FilesService);
+
+    await expect(
+      service.publishAudioFileDownloadSas(externalId, audioFileId),
+    ).rejects.toEqual(
+      new HttpException(makeErrorResponse('E010701'), HttpStatus.BAD_REQUEST),
+    );
+  });
+});
+
 const optionItemList = [
   {
     optionItemLabel: 'label_01',
diff --git a/dictation_server/src/features/files/files.service.ts b/dictation_server/src/features/files/files.service.ts
index 6ddd5b3..86a901c 100644
--- a/dictation_server/src/features/files/files.service.ts
+++ b/dictation_server/src/features/files/files.service.ts
@@ -5,14 +5,17 @@ import { UsersRepositoryService } from '../../repositories/users/users.repositor
 import { TasksRepositoryService } from '../../repositories/tasks/tasks.repository.service';
 import { BlobstorageService } from '../../gateways/blobstorage/blobstorage.service';
 import { AudioOptionItem, AudioUploadFinishedResponse } from './types/types';
-import { OPTION_ITEM_NUM } from '../../constants/index';
+import { OPTION_ITEM_NUM, USER_ROLES } from '../../constants/index';
 import { User } from '../../repositories/users/entity/user.entity';
+import { AudioFileNotFoundError } from './errors/types';
+import { TasksNotFoundError } from '../../repositories/tasks/errors/types';
 
 @Injectable()
 export class FilesService {
   private readonly logger = new Logger(FilesService.name);
   constructor(
     private readonly usersRepository: UsersRepositoryService,
+    private readonly tasksRepository: TasksRepositoryService,
     private readonly tasksRepositoryService: TasksRepositoryService,
     private readonly blobStorageService: BlobstorageService,
   ) {}
@@ -112,13 +115,19 @@ export class FilesService {
     }
 
     try {
+      // URLにSASトークンがついている場合は取り除く
+      const urlObj = new URL(url);
+      urlObj.search = '';
+      const fileUrl = urlObj.toString();
+      this.logger.log(`Request URL: ${url}, Without param URL${fileUrl}`);
+
       // 文字起こしタスク追加（音声ファイルとオプションアイテムも同時に追加）
       // 追加時に末尾のJOBナンバーにインクリメントする
       const task = await this.tasksRepositoryService.create(
         user.account_id,
         user.id,
         priority,
-        url,
+        fileUrl,
         fileName,
         authorId,
         workType,
@@ -201,4 +210,98 @@ export class FilesService {
       );
     }
   }
+
+  /**
+   * 指定したIDの音声ファイルのダウンロードURLを取得する
+   * @param externalId
+   * @param audioFileId
+   * @returns audio file download sas
+   */
+  async publishAudioFileDownloadSas(
+    externalId: string,
+    audioFileId: number,
+  ): Promise<string> {
+    //DBから国情報とアカウントID,ユーザーIDを取得する
+    let accountId: number;
+    let country: string;
+    let userId: number;
+    let isTypist: boolean;
+    try {
+      const user = await this.usersRepository.findUserByExternalId(externalId);
+      accountId = user.account.id;
+      userId = user.id;
+      country = user.account.country;
+      isTypist = user.role === USER_ROLES.TYPIST;
+    } catch (e) {
+      this.logger.error(`error=${e}`);
+      console.log(e);
+      throw new HttpException(
+        makeErrorResponse('E009999'),
+        HttpStatus.INTERNAL_SERVER_ERROR,
+      );
+    }
+
+    try {
+      const { file } = await this.tasksRepository.getTaskAndAudioFile(
+        audioFileId,
+        accountId,
+        isTypist,
+      );
+
+      // タスクに紐づく音声ファイルだけが消される場合がある。
+      // その場合はダウンロード不可なので不在エラーとして扱う
+      if (!file) {
+        throw new AudioFileNotFoundError(
+          `Audio file is not exists in DB. audio_file_id:${audioFileId}`,
+        );
+      }
+
+      const filePath = `${userId}/${file.file_name}`;
+
+      const isFileExist = await this.blobStorageService.fileExists(
+        accountId,
+        country,
+        filePath
+      );
+
+      if (!isFileExist) {
+        throw new AudioFileNotFoundError(
+          `Audio file is not exists in blob storage. audio_file_id:${audioFileId}, url:${file.url}, fileName:${file.file_name}`,
+        );
+      }
+
+      // SASトークン発行
+      const url = await this.blobStorageService.publishDownloadSas(
+        accountId,
+        country,
+        filePath,
+      );
+      return url;
+    } catch (e) {
+      this.logger.error(`error=${e}`);
+      if (e instanceof Error) {
+        switch (e.constructor) {
+          case TasksNotFoundError:
+            throw new HttpException(
+              makeErrorResponse('E010603'),
+              HttpStatus.BAD_REQUEST,
+            );
+          case AudioFileNotFoundError:
+            throw new HttpException(
+              makeErrorResponse('E010701'),
+              HttpStatus.BAD_REQUEST,
+            );
+          default:
+            throw new HttpException(
+              makeErrorResponse('E009999'),
+              HttpStatus.INTERNAL_SERVER_ERROR,
+            );
+        }
+      }
+      throw new HttpException(
+        makeErrorResponse('E009999'),
+        HttpStatus.INTERNAL_SERVER_ERROR,
+      );
+    }
+  }
 }
diff --git a/dictation_server/src/features/files/test/files.service.mock.ts b/dictation_server/src/features/files/test/files.service.mock.ts
index c6b87cb..a841f05 100644
--- a/dictation_server/src/features/files/test/files.service.mock.ts
+++ b/dictation_server/src/features/files/test/files.service.mock.ts
@@ -9,7 +9,9 @@ import { Task } from '../../../repositories/tasks/entity/task.entity';
 export type BlobstorageServiceMockValue = {
   createContainer: void | Error;
   containerExists: boolean | Error;
+  fileExists: boolean | Error;
   publishUploadSas: string | Error;
+  publishDownloadSas: string | Error;
 };
 
 export type UsersRepositoryMockValue = {
@@ -47,13 +49,23 @@ export const makeFilesServiceMock = async (
 export const makeBlobstorageServiceMock = (
   value: BlobstorageServiceMockValue,
 ) => {
-  const { containerExists, createContainer, publishUploadSas } = value;
+  const {
+    containerExists,
+    fileExists,
+    createContainer,
+    publishUploadSas,
+    publishDownloadSas,
+  } = value;
 
   return {
     containerExists:
       containerExists instanceof Error
         ? jest.fn<Promise<void>, []>().mockRejectedValue(containerExists)
         : jest.fn<Promise<boolean>, []>().mockResolvedValue(containerExists),
+    fileExists:
+      fileExists instanceof Error
+        ? jest.fn<Promise<void>, []>().mockRejectedValue(fileExists)
+        : jest.fn<Promise<boolean>, []>().mockResolvedValue(fileExists),
     createContainer:
       createContainer instanceof Error
         ? jest.fn<Promise<void>, []>().mockRejectedValue(createContainer)
@@ -62,6 +74,10 @@ export const makeBlobstorageServiceMock = (
       publishUploadSas instanceof Error
         ? jest.fn<Promise<void>, []>().mockRejectedValue(publishUploadSas)
         : jest.fn<Promise<string>, []>().mockResolvedValue(publishUploadSas),
+    publishDownloadSas:
+      publishDownloadSas instanceof Error
+        ? jest.fn<Promise<void>, []>().mockRejectedValue(publishDownloadSas)
+        : jest.fn<Promise<string>, []>().mockResolvedValue(publishDownloadSas),
   };
 };
 
@@ -80,7 +96,9 @@ export const makeBlobstorageServiceMockValue =
   (): BlobstorageServiceMockValue => {
     return {
       containerExists: true,
+      fileExists: true,
       publishUploadSas: 'https://blob-storage?sas-token',
+      publishDownloadSas: 'https://blob-storage?sas-token',
       createContainer: undefined,
     };
   };
diff --git a/dictation_server/src/features/files/test/utility.ts b/dictation_server/src/features/files/test/utility.ts
new file mode 100644
index 0000000..93df7e1
--- /dev/null
+++ b/dictation_server/src/features/files/test/utility.ts
@@ -0,0 +1,188 @@
+import { DataSource } from 'typeorm';
+import { Test, TestingModule } from '@nestjs/testing';
+import { ConfigModule } from '@nestjs/config';
+import { UserGroupsRepositoryModule } from '../../../repositories/user_groups/user_groups.repository.module';
+import { TasksRepositoryModule } from '../../../repositories/tasks/tasks.repository.module';
+import { AuthModule } from '../../../features/auth/auth.module';
+import { AdB2cModule } from '../../../gateways/adb2c/adb2c.module';
+import { AccountsModule } from '../../../features/accounts/accounts.module';
+import { UsersModule } from '../../../features/users/users.module';
+import { FilesModule } from '../../../features/files/files.module';
+import { TasksModule } from '../../../features/tasks/tasks.module';
+import { SendGridModule } from '../../../features/../gateways/sendgrid/sendgrid.module';
+import { LicensesModule } from '../../../features/licenses/licenses.module';
+import { AccountsRepositoryModule } from '../../../repositories/accounts/accounts.repository.module';
+import { UsersRepositoryModule } from '../../../repositories/users/users.repository.module';
+import { LicensesRepositoryModule } from '../../../repositories/licenses/licenses.repository.module';
+import { AudioFilesRepositoryModule } from '../../../repositories/audio_files/audio_files.repository.module';
+import { AudioOptionItemsRepositoryModule } from '../../../repositories/audio_option_items/audio_option_items.repository.module';
+import { CheckoutPermissionsRepositoryModule } from '../../../repositories/checkout_permissions/checkout_permissions.repository.module';
+import { NotificationModule } from '../../../features//notification/notification.module';
+import { NotificationhubModule } from '../../../gateways/notificationhub/notificationhub.module';
+import { BlobstorageModule } from '../../../gateways/blobstorage/blobstorage.module';
+import { AuthGuardsModule } from '../../../common/guards/auth/authguards.module';
+import { SortCriteriaRepositoryModule } from '../../../repositories/sort_criteria/sort_criteria.repository.module';
+import { AuthService } from '../../../features/auth/auth.service';
+import { AccountsService } from '../../../features/accounts/accounts.service';
+import { UsersService } from '../../../features/users/users.service';
+import { NotificationhubService } from '../../../gateways/notificationhub/notificationhub.service';
+import { FilesService } from '../../../features/files/files.service';
+import { LicensesService } from '../../../features/licenses/licenses.service';
+import { TasksService } from '../../../features/tasks/tasks.service';
+import { Task } from '../../../repositories/tasks/entity/task.entity';
+import { AudioFile } from '../../../repositories/audio_files/entity/audio_file.entity';
+import { BlobstorageService } from '../../../gateways/blobstorage/blobstorage.service';
+import {
+  BlobstorageServiceMockValue,
+  makeBlobstorageServiceMock,
+} from './files.service.mock';
+import { User } from '../../../repositories/users/entity/user.entity';
+import { Account } from '../../../repositories/accounts/entity/account.entity';
+
+export const createAccount = async (
+  datasource: DataSource,
+): Promise<{ accountId: number }> => {
+  const { identifiers } = await datasource.getRepository(Account).insert({
+    tier: 5,
+    country: 'US',
+    delegation_permission: false,
+    locked: false,
+    company_name: 'test inc.',
+    verified: true,
+    deleted_at: '',
+    created_by: 'test_runner',
+    created_at: new Date(),
+    updated_by: 'updater',
+    updated_at: new Date(),
+  });
+  const account = identifiers.pop() as Account;
+  return { accountId: account.id };
+};
+
+export const createUser = async (
+  datasource: DataSource,
+  accountId: number,
+  external_id: string,
+  role: string,
+  author_id?: string | undefined,
+): Promise<{ userId: number; externalId: string }> => {
+  const { identifiers } = await datasource.getRepository(User).insert({
+    account_id: accountId,
+    external_id: external_id,
+    role: role,
+    accepted_terms_version: '1.0',
+    author_id: author_id,
+    email_verified: true,
+    auto_renew: true,
+    license_alert: true,
+    notification: true,
+    created_by: 'test_runner',
+    created_at: new Date(),
+    updated_by: 'updater',
+    updated_at: new Date(),
+  });
+  const user = identifiers.pop() as User;
+  return { userId: user.id, externalId: external_id };
+};
+
+export const createTask = async (
+  datasource: DataSource,
+  account_id: number,
+  url: string,
+  filename: string,
+): Promise<{ audioFileId: number }> => {
+  const { identifiers: audioFileIdentifiers } = await datasource
+    .getRepository(AudioFile)
+    .insert({
+      account_id: account_id,
+      owner_user_id: 1,
+      url: url,
+      file_name: filename,
+      author_id: 'AUTHOR_ID',
+      work_type_id: 'work_type_id',
+      started_at: new Date(),
+      duration: '100000',
+      finished_at: new Date(),
+      uploaded_at: new Date(),
+      file_size: 10000,
+      priority: '00',
+      audio_format: 'audio_format',
+      is_encrypted: true,
+    });
+  const audioFile = audioFileIdentifiers.pop() as AudioFile;
+  const { identifiers: taskIdentifiers } = await datasource
+    .getRepository(Task)
+    .insert({
+      job_number: '00000001',
+      account_id: account_id,
+      is_job_number_enabled: true,
+      audio_file_id: audioFile.id,
+      status: 'Uploaded',
+      priority: '01',
+      started_at: new Date().toISOString(),
+      created_at: new Date(),
+    });
+
+  return { audioFileId: audioFile.id };
+};
+
+export const makeTestingModuleWithBlob = async (
+  datasource: DataSource,
+  blobStorageService: BlobstorageServiceMockValue,
+): Promise<TestingModule> => {
+  try {
+    const module: TestingModule = await Test.createTestingModule({
+      imports: [
+        ConfigModule.forRoot({
+          envFilePath: ['.env.local', '.env'],
+          isGlobal: true,
+        }),
+        AuthModule,
+        AdB2cModule,
+        AccountsModule,
+        UsersModule,
+        FilesModule,
+        TasksModule,
+        UsersModule,
+        SendGridModule,
+        LicensesModule,
+        AccountsRepositoryModule,
+        UsersRepositoryModule,
+        LicensesRepositoryModule,
+        AudioFilesRepositoryModule,
+        AudioOptionItemsRepositoryModule,
+        TasksRepositoryModule,
+        CheckoutPermissionsRepositoryModule,
+        UserGroupsRepositoryModule,
+        UserGroupsRepositoryModule,
+        NotificationModule,
+        NotificationhubModule,
+        BlobstorageModule,
+        AuthGuardsModule,
+        SortCriteriaRepositoryModule,
+      ],
+      providers: [
+        AuthService,
+        AccountsService,
+        UsersService,
+        NotificationhubService,
+        FilesService,
+        TasksService,
+        LicensesService,
+      ],
+    })
+      .useMocker(async (token) => {
+        switch (token) {
+          case DataSource:
+            return datasource;
+        }
+      })
+      .overrideProvider(BlobstorageService)
+      .useValue(makeBlobstorageServiceMock(blobStorageService))
+      .compile();
+
+    return module;
+  } catch (e) {
+    console.log(e);
+  }
+};
diff --git a/dictation_server/src/features/tasks/tasks.service.spec.ts b/dictation_server/src/features/tasks/tasks.service.spec.ts
index 06adcbd..67c6d70 100644
--- a/dictation_server/src/features/tasks/tasks.service.spec.ts
+++ b/dictation_server/src/features/tasks/tasks.service.spec.ts
@@ -19,7 +19,6 @@ import {
 } from './test/utility';
 import { Adb2cTooManyRequestsError } from '../../gateways/adb2c/adb2c.service';
 import { makeTestingModule } from '../../common/test/modules';
-import { TasksNotFoundError } from '../../repositories/tasks/errors/types';
 
 describe('TasksService', () => {
   it('タスク一覧を取得できる（admin）', async () => {
diff --git a/dictation_server/src/gateways/blobstorage/blobstorage.service.ts b/dictation_server/src/gateways/blobstorage/blobstorage.service.ts
index 824ce13..b7e92b6 100644
--- a/dictation_server/src/gateways/blobstorage/blobstorage.service.ts
+++ b/dictation_server/src/gateways/blobstorage/blobstorage.service.ts
@@ -4,7 +4,9 @@ import {
   StorageSharedKeyCredential,
   ContainerClient,
   ContainerSASPermissions,
+  BlobSASPermissions,
   generateBlobSASQueryParameters,
+  BlobClient,
 } from '@azure/storage-blob';
 import { ConfigService } from '@nestjs/config';
 import {
@@ -83,6 +85,27 @@ export class BlobstorageService {
     return exists;
   }
 
+  /**
+   * Files exists
+   * @param accountId
+   * @param country
+   * @param path
+   * @param fileName
+   * @param containerUrl
+   * @returns exists
+   */
+  async fileExists(
+    accountId: number,
+    country: string,
+    filePath: string,
+  ): Promise<boolean> {
+    const containerClient = this.getContainerClient(accountId, country);
+    const blob = containerClient.getBlobClient(`${filePath}`);
+    const exists = await blob.exists();
+
+    return exists;
+  }
+
   /**
    * SASトークン付きのBlobStorageアップロードURLを生成し返却します
    * @param accountId
@@ -109,10 +132,9 @@ export class BlobstorageService {
     }
 
     //SASの有効期限を設定
-    //TODO 有効期限は仮で30分
     const expiryDate = new Date();
-    expiryDate.setMinutes(
-      expiryDate.getMinutes() +
+    expiryDate.setHours(
+      expiryDate.getHours() +
         this.configService.get('STORAGE_TOKEN_EXPIRE_TIME'),
     );
 
@@ -137,6 +159,63 @@ export class BlobstorageService {
     return url.toString();
   }
 
+  /**
+   * SASトークン付きのBlobStorageダウンロードURLを生成し返却します
+   * @param accountId
+   * @param country
+   * @param path
+   * @param fileName
+   * @returns download sas
+   */
+  async publishDownloadSas(
+    accountId: number,
+    country: string,
+    filePath: string,
+  ): Promise<string> {
+    this.logger.log(`[IN] ${this.publishDownloadSas.name}`);
+    let containerClient: ContainerClient;
+    let blobClient: BlobClient;
+    let sharedKeyCredential: StorageSharedKeyCredential;
+    try {
+      // コンテナ名を指定してClientを取得
+      containerClient = this.getContainerClient(accountId, country);
+      // コンテナ内のBlobパス名を指定してClientを取得
+      blobClient = containerClient.getBlobClient(`${filePath}`);
+      // 国に対応したリージョンの接続情報を取得する
+      sharedKeyCredential = this.getSharedKeyCredential(country);
+    } catch (e) {
+      this.logger.error(`error=${e}`);
+      throw e;
+    }
+
+    //SASの有効期限を設定
+    const expiryDate = new Date();
+    expiryDate.setHours(
+      expiryDate.getHours() +
+        this.configService.get('STORAGE_TOKEN_EXPIRE_TIME'),
+    );
+
+    //SASの権限を設定（ダウンロードのため読み取り許可）
+    const permissions = new BlobSASPermissions();
+    permissions.read = true;
+
+    //SASを発行
+    const sasToken = generateBlobSASQueryParameters(
+      {
+        containerName: containerClient.containerName,
+        blobName: blobClient.name,
+        permissions: permissions,
+        startsOn: new Date(),
+        expiresOn: expiryDate,
+      },
+      sharedKeyCredential,
+    );
+
+    const url = new URL(blobClient.url);
+    url.search = `${sasToken}`;
+    return url.toString();
+  }
+
   /**
    * Gets container client
    * @param companyName
diff --git a/dictation_server/src/repositories/licenses/licenses.repository.module.ts b/dictation_server/src/repositories/licenses/licenses.repository.module.ts
index a1ec5bf..a142c1f 100644
--- a/dictation_server/src/repositories/licenses/licenses.repository.module.ts
+++ b/dictation_server/src/repositories/licenses/licenses.repository.module.ts
@@ -1,10 +1,22 @@
 import { Module } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
-import { CardLicense, CardLicenseIssue, License, LicenseOrder } from './entity/license.entity';
+import {
+  CardLicense,
+  CardLicenseIssue,
+  License,
+  LicenseOrder,
+} from './entity/license.entity';
 import { LicensesRepositoryService } from './licenses.repository.service';
 
 @Module({
-  imports: [TypeOrmModule.forFeature([LicenseOrder,License,CardLicense,CardLicenseIssue])],
+  imports: [
+    TypeOrmModule.forFeature([
+      LicenseOrder,
+      License,
+      CardLicense,
+      CardLicenseIssue,
+    ]),
+  ],
   providers: [LicensesRepositoryService],
   exports: [LicensesRepositoryService],
 })
diff --git a/dictation_server/src/repositories/tasks/entity/task.entity.ts b/dictation_server/src/repositories/tasks/entity/task.entity.ts
index 1c13ba6..e73cf1a 100644
--- a/dictation_server/src/repositories/tasks/entity/task.entity.ts
+++ b/dictation_server/src/repositories/tasks/entity/task.entity.ts
@@ -9,6 +9,7 @@ import {
   JoinColumn,
   OneToMany,
 } from 'typeorm';
+import { TemplateFile } from '../../template_files/entity/template_file.entity';
 
 @Entity({ name: 'tasks' })
 export class Task {
@@ -44,4 +45,6 @@ export class Task {
   @OneToOne(() => User, (user) => user.id)
   @JoinColumn({ name: 'typist_user_id' })
   typist_user?: User;
+  @JoinColumn({ name: 'template_file_id' })
+  template_file?: TemplateFile;
 }
diff --git a/dictation_server/src/repositories/tasks/tasks.repository.service.ts b/dictation_server/src/repositories/tasks/tasks.repository.service.ts
index d7535f3..caf1ec3 100644
--- a/dictation_server/src/repositories/tasks/tasks.repository.service.ts
+++ b/dictation_server/src/repositories/tasks/tasks.repository.service.ts
@@ -32,6 +32,43 @@ import { Roles } from '../../common/types/role';
 @Injectable()
 export class TasksRepositoryService {
   constructor(private dataSource: DataSource) {}
+  /**
+   * 音声ファイルと紐づいたTaskを取得する
+   * @param audioFileId
+   * @param account_id
+   * @returns task and audio file
+   */
+  async getTaskAndAudioFile(
+    audioFileId: number,
+    account_id: number,
+    isTypist: boolean
+  ): Promise<Task> {
+    const status = isTypist
+      ? [TASK_STATUS.UPLOADED, TASK_STATUS.IN_PROGRESS, TASK_STATUS.PENDING]
+      : [TASK_STATUS.UPLOADED, TASK_STATUS.IN_PROGRESS, TASK_STATUS.PENDING, TASK_STATUS.FINISHED, TASK_STATUS.BACKUP];
+
+    return await this.dataSource.transaction(async (entityManager) => {
+      const taskRepo = entityManager.getRepository(Task);
+      // 指定した音声ファイルIDに紐づくTaskの中でAuthorIDが一致するものを取得
+      const task = await taskRepo.findOne({
+        relations: {
+          file: true,
+        },
+        where: {
+          audio_file_id: audioFileId,
+          account_id: account_id,
+          status: In(status),
+        },
+      });
+      if (!task) {
+        throw new TasksNotFoundError(
+          `task not found. audio_file_id:${audioFileId}`,
+        );
+      }
+
+      return task;
+    });
+  }
 
   /**
    * 音声ファイルIDに紐づいたTaskを取得する
diff --git a/dictation_server/src/repositories/template_files/entity/template_file.entity.ts b/dictation_server/src/repositories/template_files/entity/template_file.entity.ts
new file mode 100644
index 0000000..ac23433
--- /dev/null
+++ b/dictation_server/src/repositories/template_files/entity/template_file.entity.ts
@@ -0,0 +1,13 @@
+import { Entity, Column, PrimaryGeneratedColumn } from 'typeorm';
+
+@Entity({ name: 'audio_files' })
+export class TemplateFile {
+  @PrimaryGeneratedColumn()
+  id: number;
+  @Column()
+  account_id: number;
+  @Column()
+  url: string;
+  @Column()
+  file_name: string;
+}
diff --git a/dictation_server/src/repositories/template_files/template_files.repository.module.ts b/dictation_server/src/repositories/template_files/template_files.repository.module.ts
new file mode 100644
index 0000000..000232a
--- /dev/null
+++ b/dictation_server/src/repositories/template_files/template_files.repository.module.ts
@@ -0,0 +1,11 @@
+import { Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { TemplateFilesRepositoryService } from './template_files.repository.service';
+import { TemplateFile } from './entity/template_file.entity';
+
+@Module({
+  imports: [TypeOrmModule.forFeature([TemplateFile])],
+  providers: [TemplateFilesRepositoryService],
+  exports: [TemplateFilesRepositoryService],
+})
+export class TemplateFilesRepositoryModule {}
diff --git a/dictation_server/src/repositories/template_files/template_files.repository.service.ts b/dictation_server/src/repositories/template_files/template_files.repository.service.ts
new file mode 100644
index 0000000..b35c191
--- /dev/null
+++ b/dictation_server/src/repositories/template_files/template_files.repository.service.ts
@@ -0,0 +1,7 @@
+import { Injectable } from '@nestjs/common';
+import { DataSource } from 'typeorm';
+
+@Injectable()
+export class TemplateFilesRepositoryService {
+  constructor(private dataSource: DataSource) {}
+}