running watches blue image
orderph72
I have a laptop which I use mainly for watching movies, and I'm thinking about upgrading my 2.1 speaker system to one that has bluetooth capabilities (A2DP & AVRCP). No wires around my laptop would make it easier to move around my room. But will I be able to watch movies using the bluetooth-connected speakers with good audio quality?
Answer
Bluetooth is a digital interface. Provided it has enough bandwidth for digital audio (2-ch is about 1.5 Mbit/s) and there are no drops due to distance, a digital interface has nothing to do with audio quality. Audio quality depends on the quality of the speakers.
To move around your room, you still need power. If you use the battery, most laptops run at lower speed to preserve energy, and that may cause playback problems. Having a blue-tooth transmitter, means even more power drain from your battery. So, do test first your laptop in battery mode.
Bluetooth is a digital interface. Provided it has enough bandwidth for digital audio (2-ch is about 1.5 Mbit/s) and there are no drops due to distance, a digital interface has nothing to do with audio quality. Audio quality depends on the quality of the speakers.
To move around your room, you still need power. If you use the battery, most laptops run at lower speed to preserve energy, and that may cause playback problems. Having a blue-tooth transmitter, means even more power drain from your battery. So, do test first your laptop in battery mode.
How can I keep a blue heron away from my koi pond?
bugrrl3
I have a pond in my backyard that's approximately 10 feet by 12 feet wide and 3 feet deep at it's deepest point. It has a variety of frogs, snails, goldfish and koi in it. There are lily pads and a bridge that the fish can hide under. Tonight I saw my first heron in 9 years out back walking by the pond. I saw him land and ran out and scared him off. He came back 2 hours later. Luckily, again, I saw him land right away and ran out and scared him off. What can I do to protect my fish and to scare this heron away permanently. (short of shooting him, which I believe is illegal anyway). Thanks for your help!
Answer
Blue herons are beautiful but they can do some damage to a koi pond!
I don't have a koi pond but I have heard of two things that are supposed to work:
Bird netting to keep them out
No shallow areas in the koi pond
Since herons are wading birds, they tend to fish in shallow water areas. No shallow water, no areas for the heron to fish. But of course that limits your koi sightings also.
Recently I was watching a small blue heron at the local botanic gardens koi pond. They didn't have any shallow areas for the bird to wade though so he was limited to standing on the bank staring at the koi in the water. He never attempted a fish grab in the deeper water.
Blue herons are beautiful but they can do some damage to a koi pond!
I don't have a koi pond but I have heard of two things that are supposed to work:
Bird netting to keep them out
No shallow areas in the koi pond
Since herons are wading birds, they tend to fish in shallow water areas. No shallow water, no areas for the heron to fish. But of course that limits your koi sightings also.
Recently I was watching a small blue heron at the local botanic gardens koi pond. They didn't have any shallow areas for the bird to wade though so he was limited to standing on the bank staring at the koi in the water. He never attempted a fish grab in the deeper water.
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