Audio

The P910 has extensive multimedia capabilities in many applications. The MIDI format has become standard for polyphonic ring tones. And the number of chords determines the quality of sound and instruments that can be played simultaneously.

Sadly, only 24 simultaneous chords are supported. While still decent, it is not comparable to other high-end phones with upwards of 40 chords. Unlike other formats, MIDI is not a recording of music, but a description, which enables a local synthesizer to play tones from the file instructions. The benefit is that users are able to compose, edit, and send melodies by using sound synthesizer programs.

However, for true realistic sounds, the P910 also allows other forms of recording, specifically MP3 format. Unlike MIDI, MP3s are straight recordings from any audio source. Thus ring tones encoded in MP3 format can be music with lyrics, voice, or any other output.

Additionally, a loudspeaker and Music Player are built-in. The P910 Music Player allows users to play a selection of songs from a variety of file formats. Audio file formats supported include MP3 (Compressed MPEG-1 Layer 3), MIDI (Musical Instrument Digital Interface), AAC (Advanced Audio Coding), AMR (Adaptive Multi Rate), AU (Similar to WAV), iMelody (Monophonic ring tones), RMF (Rich Music Format), and WAV (Typically for short alert sounds).

Video

In addition to recording videos, clips may be viewed right on the P910. Files may also be ownloaded from the Internet or copied from a PC. Supported video file formats include 3GP or MP4.

The P910 supports streaming as well. Content can be streamed using RTSP (Real Time Streaming Protocol) session control with H.263 or MPEG-4 video, and accompanying AAC or AMR audio.

Messaging

The P910 is incredibly well adapted for text messaging. With the built-in QWERTY keypad, handwriting recognition, or numeric keypad, users will be able to choose their preferred text entry method. Additionally, the P910 has a robust set of messaging functions including SMS, EMS, MMS, and email allowing users to communicate with words, pictures, sounds, and more.

With SMS (Short Message Service), users can send text messages containing up to 160 characters (70 characters for Chinese text). Concatenated SMS is possible by writing longer messages. The P910 will automatically send it using more than one SMS. EMS (Enhanced Messaging Service) enhances SMS further by allowing users to include graphics, sounds, and font attributes as part of a text message. While MMS (Multimedia Messaging Service) provides true multimedia capability with real pictures, sound and time-based sequencing.

MMS lets consumers communicate by saying it in words, pictures, animation, and sound. Great for sending multimedia birthday or holiday greetings, or vacation postcard messages, by combining with sharp pictures of the built-in camera with the versatile messaging features, the P910 brings interesting combinations of photography and personalized messaging to keep people in touch.

An email client supports multiple POP3, IMAP4, and SMTP accounts. The supplied Sony Ericsson PC Suite allows users to synchronize the P910's email accounts with Microsoft Outlook and Lotus Notes. Users can check email anywhere and reply on the move so they will always be in contact with friends and family.

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