Telegram voice message is a format for sending audio messages to personal chats, groups, and channels. Ideal for personal communication, instructions, and notifications where the voice context is important. Telegram automatically optimizes audio for fast delivery by supporting formatted signatures and interactive buttons. The maximum duration is 5 minutes, which allows you to send detailed messages.
What formats does a voice message accept in Telegram and what are the limitations?
Telegram supports the following voice message formats:
OGG
Some restrictions related to voice messages in Telegram:
- Unavailability in a noisy environment. Audio can be difficult to understand if there is loud noise around.
- The lack of a quick search option. Unlike texts, finding the information you need in audio is more difficult.
- Listening time limits. It's not always convenient to listen to long audio messages, especially if you don't have time for it.
Popular errors when sending a voice message
400 Bad Request: Wrong file identifier
- Reason: Invalid URL or broken file_id.
- Solution: Check the Content-Type and file availability.
400 Bad Request: Duration too long
- Reason: Audio >300 seconds.
- Solution: Crop via ffmpeg:
413 Request Entity Too Large
- Reason: The file is >20 MB.
- Solution: Convert to OGG:
400 Bad Request: Can't parse caption entities
- Reason: An error in the signature markup.
- Solution: Check tag escaping.
403 Forbidden: Bot was blocked by the user
- Solution: The user must unlock the bot.
Information
Technical information for the BOT-MARKET API
- Message type code (`MessageType'): "6" (for `sendVoice`).
- Max. Sending speed: 20 messages/second in groups.
Tips for effective use
1. Quality optimization:
- Convert to OGG/Opus (64 kbit/s):
- Remove the silence at the beginning/end.
2. Increased engagement:
- Add timestamps to your signature:
- Use emojis: 🎧 Listen to the end!
3. Processing long messages:
- Split the audio into parts of 5 minutes → send sequentially with the "Next" button.
