{"id":27603,"date":"2025-04-26T04:41:34","date_gmt":"2025-04-26T04:41:34","guid":{"rendered":"http:\/\/www.withdata.com\/blog\/?p=27603"},"modified":"2026-03-05T07:26:00","modified_gmt":"2026-03-05T07:26:00","slug":"store-audio-files-in-oracle-blob","status":"publish","type":"post","link":"https:\/\/www.withdata.com\/blog\/blob\/store-audio-files-in-oracle-blob.html","title":{"rendered":"Store audio files in Oracle BLOB"},"content":{"rendered":"<p>Audio (MP3, WAV, Ogg, WMA, M4A, AAC, etc.) files can be stored as Oracle BLOB data.<\/p>\n<h2>1. Key Overview<\/h2>\n<p>Oracle Database supports BLOB (Binary Large Object) for storing mp3\/wav\/ogg audio files (up to 128 TB max with SecureFiles). Storing audio as BLOB integrates audio data with business records (e.g., voice notes linked to user profiles) and leverages Oracle\u2019s advanced security, backup, and transactional features.<\/p>\n<h2>2. Prerequisites<\/h2>\n<ul>\n<li>Oracle Database (11g+ recommended, 12c+ for enhanced SecureFiles BLOB)<\/li>\n<li>SQL*Plus\/SQL Developer or <a rel=\"noopener\" href=\"https:\/\/www.withdata.com\/dbblobeditor\/\" target=\"_blank\">DBBlobEditor<\/a> (simplifies BLOB import\/export)<\/li>\n<li>CREATE TABLE, INSERT, SELECT privileges on target schema<\/li>\n<\/ul>\n<h2>3. Implementation Steps<\/h2>\n<h3>3.1 Create Audio Table with BLOB Column<\/h3>\n<pre>CREATE TABLE audio_oracle_blob (\r\n    audio_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,\r\n    audio_name VARCHAR2(255) NOT NULL,\r\n    audio_format VARCHAR2(10) CHECK (audio_format IN ('mp3', 'wav', 'ogg')),\r\n    file_size NUMBER NOT NULL,\r\n    audio_blob BLOB NOT NULL,\r\n    upload_timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP\r\n) LOB (audio_blob) STORE AS SECUREFILE; -- Optimize for audio files\r\n<\/pre>\n<h3>3.2 Insert Audio<\/h3>\n<h4>Use <strong>SQL*Plus<\/strong> (SQL-based) to Insert Audio<\/h4>\n<pre>-- Create directory for audio files (DBA privilege required)\r\nCREATE DIRECTORY AUDIO_DIR AS '\/path\/to\/audio\/files';\r\nGRANT READ ON DIRECTORY AUDIO_DIR TO your_user;\r\n\r\n-- Insert audio file to BLOB via PL\/SQL\r\nDECLARE\r\n    v_blob BLOB;\r\n    v_bfile BFILE := BFILENAME('AUDIO_DIR', 'customer_voice.mp3');\r\nBEGIN\r\n    INSERT INTO audio_oracle_blob (audio_name, audio_format, file_size, audio_blob)\r\n    VALUES ('customer_voice_001', 'mp3', 200000, EMPTY_BLOB())\r\n    RETURNING audio_blob INTO v_blob;\r\n    \r\n    DBMS_LOB.OPEN(v_bfile, DBMS_LOB.LOB_READONLY);\r\n    DBMS_LOB.LOADFROMFILE(v_blob, v_bfile, DBMS_LOB.GETLENGTH(v_bfile));\r\n    DBMS_LOB.CLOSE(v_bfile);\r\n    COMMIT;\r\nEND;\r\n\/\r\n<\/pre>\n<h4>Use <strong>DBBlobEditor<\/strong> (GUI\/CLI) to Insert Audio<\/h4>\n<ul>\n<li><a rel=\"noopener\" href=\"https:\/\/www.withdata.com\/blog\/oralobeditor\/import-audios-to-oracle-blob.html\" target=\"_blank\">Batch import audio files into Oracle BLOB<\/a><\/li>\n<\/ul>\n<h3>3.3 Retrieve Audio<\/h3>\n<h4>Use <strong>SQL*Plus<\/strong> (SQL-based) to Retrieve Audio<\/h4>\n<pre>DECLARE\r\n    v_blob BLOB;\r\n    v_file UTL_FILE.FILE_TYPE;\r\n    v_buffer RAW(32767);\r\n    v_pos NUMBER := 1;\r\n    v_blob_len NUMBER;\r\nBEGIN\r\n    SELECT audio_blob INTO v_blob FROM audio_oracle_blob WHERE audio_id = 1;\r\n    v_blob_len := DBMS_LOB.GETLENGTH(v_blob);\r\n    v_file := UTL_FILE.FOPEN('AUDIO_DIR', 'exported_audio.bin', 'WB', 32767);\r\n    \r\n    WHILE v_pos &lt;= v_blob_len LOOP\r\n        DBMS_LOB.READ(v_blob, 32767, v_pos, v_buffer);\r\n        UTL_FILE.PUT_RAW(v_file, v_buffer, TRUE);\r\n        v_pos := v_pos + 32767;\r\n    END LOOP;\r\n    \r\n    UTL_FILE.FCLOSE(v_file);\r\nEND;\r\n\/\r\n<\/pre>\n<p>Note: Rename the exported .bin file to .mp3\/.wav\/.ogg (matching stored format) for playback.<\/p>\n<h4>Use <strong>DBBlobEditor<\/strong> (GUI\/CLI) to Retrieve Audio<\/h4>\n<ul>\n<li><a rel=\"noopener\" href=\"https:\/\/www.withdata.com\/blog\/oralobeditor\/oracle-export-blob-to-audio.html\" target=\"_blank\">Batch export Oracle BLOB to AUDIO files<\/a><\/li>\n<\/ul>\n<h2>4. Key Tips<\/h2>\n<ul>\n<li>Use <strong>SecureFiles<\/strong> (vs. BasicFiles) for BLOB to improve audio read\/write performance.<\/li>\n<li>Index metadata (audio_name\/audio_format), never index BLOB columns.<\/li>\n<li>Avoid audio files &gt;100MB in BLOB (use Oracle Object Storage for large files).<\/li>\n<li>DBBlobEditor CLI is suitable for automated scripts (cron jobs) to import\/export audio files.<\/li>\n<\/ul>\n<hr \/>\n<h2>Related Guides<\/h2>\n<ul>\n<li><a href=\"\/blog\/blob\/audio-in-blob.html\">Store audio (mp3\/wav\/ogg\/etc.) files in BLOB<\/a><\/li>\n<li><a href=\"\/blog\/blob\/store-audio-files-in-db2-blob.html\">Store audio files in DB2 BLOB<\/a><\/li>\n<li><a href=\"\/blog\/blob\/store-audio-files-in-sql-server-varbinary.html\">Store audio files in SQL Server VARBINARY<\/a><\/li>\n<li><a href=\"\/blog\/blob\/store-audio-files-in-mysql-blob.html\">Store audio files in MySQL BLOB<\/a><\/li>\n<li><a href=\"\/blog\/blob\/store-audio-files-in-postgresql-bytea.html\">Store audio files in PostgreSQL BYTEA<\/a><\/li>\n<li><a href=\"\/blog\/blob\/store-audio-files-in-sqlite-blob.html\">Store audio files in SQLite BLOB<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Audio (MP3, WAV, Ogg, WMA, M4A, AAC, etc.) files can be stored as Oracle BLOB data. 1. Key Overview Oracle Database supports BLOB (Binary Large Object) for storing mp3\/wav\/ogg audio files (up to 128 TB max with SecureFiles). Storing audio as BLOB integrates audio data with business records (e.g., voice notes linked to user profiles) [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4524],"tags":[2072,97,2131,1325],"class_list":["post-27603","post","type-post","status-publish","format-standard","hentry","category-blob","tag-audio","tag-blob","tag-mp3","tag-oracle"],"_links":{"self":[{"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/posts\/27603","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/comments?post=27603"}],"version-history":[{"count":4,"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/posts\/27603\/revisions"}],"predecessor-version":[{"id":45287,"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/posts\/27603\/revisions\/45287"}],"wp:attachment":[{"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/media?parent=27603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/categories?post=27603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/tags?post=27603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}