why are some cds louder than others?
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CDs have a wide dynamic range. ... In some cases, the music might not be mastered to use all the dynamic range. But more modern recordings use technology to optimise how much audio energy can be squeezed into the available dynamic range. The resulting music sounds punchier and brighter, making it seem louder.
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When comparing bitrate, or the amount of data transferred per second, High-Resolution Audio's bitrate (9,216 kbps) is nearly seven times higher than that of CDs (1,411 kbps) and almost 29 times higher than that of MP3s (320 kbps). And the higher the bitrate, the more accurately the signal is measured.
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CDs offer full 44.1kHz uncompressed digital audio. ... So a 44.1kHz sample rate can theoretically store frequencies up to just above 20kHz, approximating the theoretical upper limit of the best human hearing. Translation: CDs offer amazing sound quality.
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Sound Quality From a technical standpoint, digital CD audio quality is clearly superior to vinyl. CDs have a better signal-to-noise ratio (i.e. there is less interference from hissing, turntable rumble, etc.), better stereo channel separation, and have no variation in playback speed.
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The major difference is the capacity. Compact Discs (CDs) can store only upto 700 MB while Digital Versatile Discs(DVDs) can store upto 4.7 GB. Other than that, they differ in read/write speeds. It is the speed at which data is read from or written on the disc.
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So, yes there are modern CD Players that sound great, just as their are older CD Players that sound like crap. In all honesty, the only thing you can do it go have a listen and sort them out for yourself. Also, remember that having Streaming Capability gives you more than simply being able to hear stored music.
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More Efficiency. Advanced filtering in dual drivers will better separate sound frequencies from each other and will give you a much smoother and more precise sound frequency from low-end to high-end.
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Standard CDs are available in two sizes. By far, the most common is 120 millimetres (4.7 in) in diameter, with a 74- or 80-minute audio capacity and a 650 or 700 MiB (737,280,000-byte) data capacity. Discs are 1.2 mm thick, with a 15 mm center hole.
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As the video explains, white noise has a higher frequency and we perceive it to sound louder than it really is. ... So when the frequency is higher, the volume is lowered. Brown noise, which sounds like a low rumble or an ocean, lowers the higher frequencies even more.
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Actually, it's louder in an automatic during idle because it idles at a higher rpm than a manual trans. A manual trans sounds louder on the go, because many people over rev before the shift.
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44.1 kHz is used for audio CDs and typically the de facto standard for downloaded music (like from iTunes) in formats like MP3, AAC, WMA, and others. 48 and 96 kHz is used for high definition equipment and professional audio.
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For example, Spotify has a bit rate of 160 kpbs which is less than the standard of mp3 files, while Spotify Premium comes in at 360 kpbs which makes it just equal to mp3. Both offer less quality than a CD, indeed, only Tidal offers a lossless compression audio, making it the only streaming service to offer CD quality.
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Dust particles in the grooves of an LP cause crackles and ticks that are present and audible no matter how well you clean the record. CDs are not affected by surface noise, because they use light beams to read the musical data, which ignore any foreign substance on the disc.
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The CD and DVD are the optical recording medium where CD was devised as an audio storage format while DVD is used as the universal storage format. The latter technology DVD can hold data about 7 times more than CD and its format efficiency is also 32% greater than a CD.
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Question: Why does the TV get louder when the adverts come on? Answer: The companies who make the adverts, process the audio so the loudest parts are louder and the quietest parts are quieter so that the average volume of the advert remains the same.
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They are larger in size so they require more storage space compared to lossy format. They are also regarded as rivals of FLAC and Shorten, and showing strength, ALAC format is now being used by all iDevices.
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Bitrate has a direct impact on sound quality. When an original recording is compressed into an MP3 file, a lot of information is lost. ... There's no question that CDs sound much better than MP3s. But the real downside of the CD is its lack of portability.