音频/P3 批量转换工具

TTS Audio Conversion Notice

If you use audio generated by TTS services like TTSMaker, you may experienceslowed audio or voice pitch changesafter conversion. This is due to sample rate mismatch between the original audio (usually 24kHz) and P3 format target (16kHz). High-quality resampling is applied, but slight pitch variations may occur.Recommend disabling loudness normalizationfor better results.

Conversion Mode

Loudness Settings

Enable Loudness Normalization

Recommend disabling for TTS audio

File Operations

Total

Pending

Done

Supported: WAV, MP3, OGG, FLAC, M4A

Click "Select Files" to add audio files

Log

Waiting...

File to HEX

Supported: P3, MP3, WAV, OGG, FLAC, M4A, etc.

Format Options

Use 0x prefix with comma separator (C-style)Insert line break every 16 bytes

HEX Result

Select a file and convert...

HEX to File

Auto-detects 0x prefix, comma, space separators

Output Format

Supported Input Formats:

• 4F707573 - Plain HEX
• 0x4F, 0x70, 0x75, 0x73 - C-style
• 4F 70 75 73 - Space-separated
• Supports newlines and mixed formats

Output Formats:

• MP3/WAV/OGG/FLAC - Audio files
• P3 - P3 audio format
• BIN - Binary file

P3 Format

P3 is a streaming audio format using Opus codec, 16kHz sample rate, mono, 60ms per frame. Ideal for voice transmission and storage.

TTS Audio Notes

Audio from TTSMaker and similar services is usually 24kHz, which will be resampled to 16kHz during conversion. Disable loudness normalization for better quality.

Audio Preview

Click the play button in the file list to preview original audio. After P3 to audio conversion, you can also play the converted WAV file directly.