Thanks for info which proved very useful. The bit rates of files in album which wouln't play varied between about 215 - 280 KB/s. I searched Web & found software which converts files to constant bit rate at www.dB.poweramp.com
This works very well and files play fine after conversion on HDD recorder. You can convert entire album using the right-click menu to select all files & 'convert to' option. It also converts files to other formats eg WAV/M4A/FLAC etc & retrieves lost data like Album art.
Message was edited by: nm2001
Message was edited by: nm2001