Samsung Galaxy S 4
Mar 14, 2013 at 9:28 PM Thread Starter Post #1 of 233

techfreakazoid

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Did anyone catch the S4 keynote? A number of interesting specs, features on the AV front:
 
- 5" Super AMOLED 1080p, 441ppi screen
- Gorilla Glass 3
- can share tunes via NFC and playback in stereo or 5(6?) channels on 2, 5 S4s
- use of dual cameras (13MP rear, 2MP front) simultaneously for photos, video calls
- IR blaster for remote control
- 136.6 x 69.8 x 7.9mm (5.38 x 2.75 x 0.31")
- 130g (4.59 ounces)
- 2GB RAM, 16/32/64GB User memory + microSD slot (up to 64GB)
- 2,600 mAh removeable battery
- Availability end of April 2013
- No mention on pricing
 
Like the inclusion of temperature and humidity sensors along with the health push. Wonder if we'll see a Wolfson on all variants. Guess we'll have to wait for the teardowns. Would like to see tactile play, FF, RW buttons for blind control in a true portable source.
 
Mar 14, 2013 at 10:04 PM Post #2 of 233

tkteo

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The list of audio codecs supported:  MP3, AMR-NB/WB, AAC/AAC+/eAAC+, WMA, OGG, FLAC, AC-3, apt-X (and there is Bluetooth 4.0 as well).
 
Mar 14, 2013 at 11:49 PM Post #4 of 233

Rpg2

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Here is a tear down. It is in Chinese. Couldn't recognize any mention of a DAC.
 
http://mobile.it168.com/tu/1462254.shtml
 
Mar 15, 2013 at 4:48 PM Post #8 of 233

jamato8

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Quote:
I wouldn't be surprised if the U.S. got f!@#$d on the S4. We did with the S3, and will continue to do so I think.


I have not used there phone. What is it that they did or didn't do for the US version?
 
Mar 15, 2013 at 11:55 PM Post #9 of 233

b0ris84

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Wolfson DAC was only on International versions. Also instead of Quad core processors we have dual-cores. Every provider had a different model, it's crazyness. I understand that the radio for the phone has to be in a different spectrum, but did they have to change appearance, DAC, and processor.
 
 
Mar 16, 2013 at 12:18 AM Post #10 of 233

robm321

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I'm worried its going to be $300 with contract, but on paper the specs look amazing
 
Mar 16, 2013 at 7:17 PM Post #13 of 233

techfreakazoid

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Deja vu. Qualcomm should buy out Wolfson and integrate their IP into the Snapdragon SoC. With the N. American S4s, it appears the Snapdragon 600 will handle the audio processing.
 
- 28nm Quad-core 1.9 GHz Krait 300 CPU
- Hexagon QDSP6 for ultra-low power audio playback and video enhancements
- Speed enhanced Adreno 320 GPU with support for advanced graphic and compute APIs, including OpenGL ES 3.0, DirectX, OpenCL, Renderscript Compute
- HD multichannel sound with DTS-HD and Dolby Digital Plus audio and FlexRender
 
Wonder if the Intl S4 will have the same WM1811 in the S3.
 
Mar 24, 2013 at 7:39 PM Post #14 of 233

Rpg2

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The international S4 (GT-i9500) will use a Wolfson DAC, WM5102. There is an issue though. The software converts everything to 48Khz instead of leaving it at 44.1Khz.
 
https://twitter.com/supercurio/status/315952191812820992
 
https://twitter.com/supercurio/status/315953474363858945

 
 
Mar 27, 2013 at 11:04 PM Post #15 of 233

visanj

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measurements from gsmarena and some comparison
 
 
 
Test Frequency response Noise level Dynamic range THD IMD + Noise Stereo crosstalk
Samsung Galaxy S4 (headphones attached) +0.27, -0.15 -82.3 82.2 0.0053 0.029 -79.5
Samsung I9300 Galaxy S III (headphones attached) +0.11, -0.04 -90.2 90.2 0.0092 0.09 -53.1
Sony Xperia S (headphones attached) +0.44, -0.13 -88.4 88.6 0.264 0.338 -47.3
Apple iPhone 4S (headphones attached) +0.05, -0.10 -91.3 91.3 0.0068 0.071 -66.7
HTC One (headphones attached) +0.02, -0.32 -82.4 82.3 0.0045 0.057 -68.3
Samsung Galaxy S4 (headphones attached) +0.27, -0.15 -82.3 82.2 0.0053 0.029 -79.5
 

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