Convert TTA to MP2

Drag and drop files here or click to select.
Max file size 100mb.
Uploading progress:

TTA vs MP2 Format Comparison

Aspect TTA (Source Format) MP2 (Target Format)
Format Overview
TTA
True Audio

True Audio (TTA) is a free, open-source lossless audio codec created in 2004. It uses a simple adaptive prediction filter followed by entropy coding to achieve lossless compression ratios comparable to FLAC and APE. TTA is designed for simplicity and speed, offering real-time encoding and decoding with minimal CPU usage, making it well suited for hardware players and embedded devices.

Lossless Modern
MP2
MPEG-1 Audio Layer II

MPEG-1 Audio Layer II (MP2) is a lossy audio compression format standardized in 1993 as part of the MPEG-1 specification. The predecessor to MP3, MP2 uses subband coding with psychoacoustic modeling. MP2 remains the standard audio codec for European digital broadcasting (DAB, DVB) due to its lower encoding latency.

Lossy Legacy
Technical Specifications
Sample Rates: 8 kHz - 192 kHz
Bit Depth: 8, 16, 24-bit integer
Channels: Mono, Stereo, Multichannel (up to 6)
Codec: TTA1 (adaptive prediction + Rice coding)
Container: Native TTA (.tta), Matroska (.mka)
Sample Rates: 32 kHz, 44.1 kHz, 48 kHz
Bit Rates: 32-384 kbps
Channels: Mono, Stereo, Joint Stereo
Codec: MPEG-1/2 Layer II
Container: Raw MP2 frames (.mp2), MPEG-TS
Audio Encoding

TTA uses an adaptive prediction filter that models audio signals and encodes residuals with Rice/Golomb entropy coding for bit-perfect lossless compression:

# Encode WAV to TTA lossless
ffmpeg -i input.wav -codec:a tta output.tta

# Encode with specific sample format
ffmpeg -i input.wav -codec:a tta \
  -sample_fmt s16 output.tta

MP2 uses subband filtering with psychoacoustic bit allocation, optimized for broadcast with low latency:

# Encode to MP2 at 256 kbps
ffmpeg -i input.wav -codec:a mp2 \
  -b:a 256k output.mp2

# Broadcast-standard MP2 (384 kbps)
ffmpeg -i input.wav -codec:a mp2 \
  -b:a 384k -ar 48000 output.mp2
Audio Features
  • Metadata: ID3v1/ID3v2 tags supported
  • Album Art: Embedded via ID3v2 tags
  • Gapless Playback: Inherent - frame-accurate lossless
  • Streaming: Limited - not widely used for streaming
  • Seekable: Yes - frame-based seeking
  • Hardware Support: Supported by many portable players (Rockbox)
  • Metadata: ID3 tags (limited support)
  • Latency: Lower encoding latency than MP3
  • Broadcast: DAB/DVB standard audio codec
  • Error Resilience: Better than MP3 for noisy channels
  • Decoder: Simpler and faster than MP3 decoder
  • Stereo Modes: Dual mono, stereo, joint stereo
Advantages
  • Bit-perfect lossless compression with zero quality loss
  • Very fast encoding and decoding - real-time capable
  • Simple algorithm ideal for hardware and embedded players
  • Low memory footprint during encoding/decoding
  • Free and open-source codec (GPL license)
  • Good compression ratios comparable to FLAC
  • Supports multichannel audio up to 6 channels
  • Standard for European digital broadcasting
  • Lower latency than MP3
  • Better error resilience for broadcast
  • Simpler decoder - lower CPU
  • Well-established broadcast infrastructure
  • Good quality at higher bitrates
Disadvantages
  • Limited software support compared to FLAC
  • Not natively supported by most web browsers
  • Smaller community than FLAC or ALAC
  • No streaming protocol support
  • Limited metadata capabilities vs FLAC
  • Worse efficiency than MP3 at low bitrates
  • Not for music distribution
  • Limited metadata support
  • Replaced by MP3 for consumers
  • Fewer encoder options
Common Uses
  • Lossless music archival and storage
  • Hardware audio player libraries (Rockbox)
  • Lossless audio distribution
  • Source for transcoding to lossy formats
  • CD ripping with lossless preservation
  • DAB digital radio broadcasting
  • DVB digital television audio
  • MPEG-2 Transport Stream audio
  • Professional broadcast playout
  • Legacy multimedia content
Best For
  • Audiophiles seeking fast lossless compression
  • Hardware players with TTA support
  • Archiving with minimal CPU usage
  • Environments where speed is critical
  • Digital broadcasting (DAB, DVB)
  • Low latency broadcast systems
  • MPEG-2 Transport Stream audio
  • Legacy broadcast compatibility
Version History
Introduced: 2004 (Alexander Djourik)
Current Version: TTA1 (single-stream)
Status: Stable, maintained open-source
Evolution: TTA1 (2004) → libtta (C library) → FFmpeg integration
Introduced: 1993 (ISO/IEC 11172-3)
Current Version: MPEG-1/2 Layer II
Status: Mature, standard in broadcasting
Evolution: MPEG-1 Layer II (1993) → MPEG-2 (1995) → DAB adoption
Software Support
Media Players: foobar2000, VLC, AIMP, Deadbeef, Rockbox
Encoders: TTA encoder, FFmpeg, foobar2000
Mobile: Rockbox-based players, limited native support
DAWs: Limited - typically requires conversion first
Hardware: Rockbox-compatible players, some Cowon/iRiver
Media Players: VLC, WMP, foobar2000, mpg123
Broadcast: DAB/DVB encoders, playout systems
Encoders: FFmpeg (mp2), TwoLAME
Mobile: Limited native support, VLC
Streaming: MPEG-TS, Icecast (limited)

Why Convert TTA to MP2?

Converting TTA to MP2 transforms your lossless True Audio files into the widely compatible MPEG-1 Audio Layer II format. This is a lossy conversion that permanently reduces audio data to achieve smaller file sizes. The trade-off between file size and quality makes MP2 ideal for portable playback, streaming, and distribution where storage and bandwidth are limited.

TTA preserves every sample of the original recording through lossless compression, resulting in larger files that maintain full audio fidelity. By converting to MP2, you significantly reduce file sizes while retaining perceptually transparent quality at reasonable bitrates. This makes your music collection practical for mobile devices, streaming, and sharing.

The conversion process decodes the TTA lossless stream back to raw PCM audio, then re-encodes it using the MP2 codec. Since TTA is lossless, the MP2 encoder receives the full-quality original signal, ensuring the best possible lossy encoding result equivalent to encoding directly from an uncompressed WAV source.

Keep your original TTA files as master archives whenever possible. Converting TTA to MP2 is a one-way quality reduction that cannot be reversed to recover the original lossless quality. Use MP2 copies for everyday listening and distribution while preserving TTA originals for future re-encoding needs.

Key Benefits of Converting TTA to MP2:

  • Smaller Files: Significantly reduced file size compared to lossless TTA originals
  • Device Compatibility: MP2 plays on virtually all devices and platforms
  • Optimal Encoding: Lossless TTA source provides the best possible input for MP2 encoding
  • Portable Playback: Practical file sizes for phones, tablets, and portable players
  • Streaming Ready: MP2 files are ideal for streaming and web distribution
  • Batch Processing: Convert entire TTA libraries to MP2 for everyday listening
  • Preserve Originals: Keep TTA masters for archival while using MP2 for daily use

Practical Examples

Example 1: Portable Music Collection

Scenario: A music enthusiast wants to create a portable copy of their TTA lossless library for use on a smartphone with limited storage.

Source: favorite_album.tta (55 min, 16-bit/44.1 kHz, 380 MB)
Conversion: TTA → MP2
Result: favorite_album.mp2 (~55 MB at high quality)

Workflow:
1. Convert TTA → MP2 for mobile playback
2. Transfer MP2 files to smartphone
3. Enjoy music at 1/7 the file size
4. Original TTA preserved on home server
5. Re-encode from TTA if different quality needed

Example 2: Music Sharing and Distribution

Scenario: A musician needs to share demo tracks with fans. The original recordings are in TTA format, too large for email and messaging.

Source: demo_song.tta (4 min, 24-bit/48 kHz, 65 MB)
Conversion: TTA → MP2 (high quality)
Result: demo_song.mp2 (~6 MB)

Benefits:
- Small enough to share via email or messaging
- Plays on any device without special software
- High-quality encoding from lossless TTA source
- Quick conversion thanks to TTA's fast decoding
- Universal MP2 playback compatibility

Example 3: Podcast Feed Preparation

Scenario: A podcast producer records and masters in TTA lossless but needs to publish in MP2 for podcast directories and RSS feeds.

Source: episode_042.tta (60 min, 16-bit/44.1 kHz, 420 MB)
Conversion: TTA → MP2
Result: episode_042.mp2 (~42 MB)

Distribution requirements met:
- Podcast-directory-compatible MP2 format
- Reasonable file size for RSS download
- Best encoding quality from lossless master
- Consistent audio quality across episodes
- TTA masters archived for future remastering

Frequently Asked Questions (FAQ)

Q: Does converting TTA to MP2 lose any audio quality?

A: Yes. MP2 is a lossy format, so some audio data is permanently discarded during encoding. However, since TTA is lossless, the MP2 encoder receives the full-quality original signal, producing the best possible result.

Q: Will the file size change after converting TTA to MP2?

A: Yes. MP2 files are significantly smaller than TTA because lossy compression removes audio data. Expect roughly 60-90% size reduction depending on the MP2 bitrate setting.

Q: Why convert from TTA to MP2 instead of another format?

A: MP2 (MPEG-1 Audio Layer II) offers broad device compatibility, smaller file sizes, and wide platform support ideal for portable playback and sharing.

Q: Is TTA a good format for archival purposes?

A: TTA is an excellent archival format providing bit-perfect lossless compression with fast encoding speed. However, FLAC has a larger ecosystem for long-term archival. TTA's advantage is its simplicity and processing speed for large-scale batch tasks.

Q: Can I convert TTA back to MP2 after converting MP2 to TTA?

A: You can re-encode from TTA, but each lossy encode introduces new artifacts. Always encode from the highest-quality source and keep TTA lossless files as masters.

Q: What software can play TTA files?

A: TTA is supported by foobar2000, VLC, AIMP, Deadbeef, and Rockbox-based portable players. While not as universal as FLAC, TTA has good coverage among enthusiast-oriented music software.

Q: How fast is the TTA to MP2 conversion?

A: TTA decodes very quickly due to its simple algorithm, typically 10-20x faster than real-time. The overall speed depends on the MP2 encoding complexity. Most files convert in seconds on modern hardware.

Q: Can I batch convert my entire TTA library to MP2?

A: Yes. Batch conversion is fully supported. Our converter processes each TTA file individually, converting it to MP2 with your chosen settings. TTA's fast decoding makes batch conversion of large libraries efficient.