## Audio_Formats

id | format_name | description
--- | --- | ---
1 | MP3 | A common digital audio format.
2 | WAV | An uncompressed PCM audio file format.
3 | FLAC | Lossless compression audio file format.
4 | DTS | Digital Theater System sound codec.
5 | Dolby_Atmos | Object-based surround sound system.

## Streaming_Services

id | service_name | subscription_price | number_of_users
--- | --- | --- | ---
1 | Service1 | 9.99 | 10000
2 | Service2 | 14.99 | 8000
3 | Service3 | 6.99 | 7000
4 | Service4 | 12.99 | 9000
5 | Service5 | 19.99 | 5000

## Streaming_Services_Audio_Formats

streaming_service_id | audio_format_id
--- | ---
(→ Streaming_Services.id) | (→ Audio_Formats.id)
1 | 5
2 | 5
3 | 5
4 | 5
5 | 5
5 | 4