Selasa, 04 Desember 2012

Combining Audio Into A Multimedia Presentation

Describe digital audio formats
    Digital Audio
    Digital music is the harmonization of the sound recording made by conventional and synthetic sounds that are stored in the computer technology-based media.
     Digital format can store large amounts of data, long term and widely networked.
    Knowing Types of Data
    Data Audio
    Audio data is a voice that sounded like the original is issued and recorded from the device sounds.

    Another advantage is almost all audio software capable of reading these data as the original because the audio is a universal data. These data types differ with the extension MP3 format as well. Wav. there are some software that does not recognize the MP3 format.
    The Weakness of the audio data is needed a large hard disk space.. One song that has become (consisting of only one video data) may require more than 50,000 bytes (50 Mbyte).
    The greater ratenya (mono or stereo), the hard disk space required will also be greater.
    MIDI data
    If you play the keyboard with brand A, stored in MIDI format and play back degan using computers, the results are strange and far terdengat so than the original sound
    With diciptakanya MIDI format, now how music began to shift. The musicians do not bother to play every detail of the music of a song if the music is already there in the MIDI file.
    MIDI DATA
    Advantages:
    Type of musical instrument can be changed at will without having to re-record the song data.
    File size is very small (5-minute songs full orchestra can only size 50 Kb)
    Does not need a computer that 'powerful'.
    Weaknesses:
    Musical instrument sound quality depends on the soundcard / MIDI instrument used.
    MIDI effects are available is very limited such as reverb, chorus and so on.
    AUDIO DATA
    Advantages:
    The sound generated is similar to the original.
    The available audio effects are not limited like reverb, chorus, delay, pitch shifter, distortion, flanger, compressor, limiter, EQ, parametric EQ and so on.
    Weaknesses:
    Unable to change the type of musical instrument without re-recording the song data.
    Large file sizes (1 minute stereo CD quality = 10MB)
    Computer requires a "powerful".


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