Re: Please respond with reasonable answers -- how I would like to change the *digital* cell phone industry.
Re: Please respond with reasonable answers -- how I would like to change the *digital* cell phone industry.. Discuss Re: Please respond with reasonable answers -- how I would like to change the *digital* cell phone industry., on Wireless Forums.
Re: Please respond with reasonable answers -- how I would like to change the *digital* cell phone industry.
You are so fucking retarded.
On Sat, 21 Jul 2007 21:51:03 -0000, Radium <glucegen1@gmail.com>
wrote:
>Please respond with reasonable answers. This is the second time I've
>had to change the thread.
>
>On Jul 19, 12:06 am, Jeff Liebermann <je...@cruzio.com> wrote in
>http://groups.google.com/group/sci.e...e614fe3?hl=en&
>:
>
>> Radium <gluceg...@gmail.com> hath wroth:
>
>> >On Jul 1, 7:24 am, shawn.cormi...@gmail.com wrote in
>> >http://groups.google.com/group/sci.e...sg/696d6abf90c...
>
>> >> how would u like to change the cell phone industry?
>
>> >Digital cell phones should stop using the compression they use and
>> >start using monaural WMA compression with a CBR of 20 kbps or less and
>> >a sample rate of at least 44.1 KHz.
>
>> Very roughly, the current 8Kbits/sec encoding rate,
>> compared to your 44Kbit/sec, will only handle about 1/5th the number
>> of users.
>
>Who said anything about 44Kbit/sec?
>
>The bit-rate of my WMA CBR is 20Kbit/sec or less.
>
>> >1. In its uncompressed form, the audio must have a bit-resolution of
>> >at least 16-bit
>
>> The encoding resolution is not changed by compression. If you encode
>> something with 16 bit resolution, and compress it, you still have 16
>> bit data coming out. It's the data rate or thruput that changes with
>> compression.
>
>Okay.
>
>> >2. The sample-rate of the compressed and the uncompressed version of
>> >the audio must be the same.
>
>> Not possible. If the rate in and rate out are identical, then there's
>> no compression happening.
>
>Yes it is possible and it is compression. The uncompressed audio is a
>monaural linear PCM at 44.1-KHz-sample-rate with a 16-bit-resolution
>-- this audio has a bit-rate of 705.6 kbps. The compressed audio is a
>monaural CBR WMA at 44.1-KHz-sample-rate with a bit-rate of 20 kbps or
>less.
>
>Where/when is there any change in sample-rate?????????
>
>There is definitely a change in bit-rate. However, that is totally
>different from the sample-rate. Totally.
>
>BIT-rate and SAMPLE-rate are two completely different things.
>
>In linear PCM audio:
>
>BIT-rate = SAMPLE-rate X bit-resolution X number of channels
>
>Stereo has two channels. Mono has one channel.
>
>44,100 Hz X 16-bit X 1 channel = 705,600 bps
>
>No offense but please respond with reasonable answers & keep out the
>jokes, off-topic nonsense, taunts, insults, and trivializations. I am
>really interested in this.